Version 7.6-alpha074

Value Converters for All Core Property Editors

build/NuSpecs/UmbracoCms.Core.nuspec

@@ -24,7 +24,7 @@
       <dependency id="Microsoft.Owin.Security.OAuth" version="[3.0.1, 4.0.0)" />
       <dependency id="Microsoft.Owin.Host.SystemWeb" version="[3.0.1, 4.0.0)" />
       <dependency id="MiniProfiler" version="[2.1.0, 3.0.0)" />
-      <dependency id="HtmlAgilityPack" version="[1.4.9, 2.0.0)" />
+      <dependency id="HtmlAgilityPack" version="[1.4.9.5, 2.0.0)" />
       <dependency id="Lucene.Net" version="[2.9.4.1, 3.0.0.0)" />
       <dependency id="SharpZipLib" version="[0.86.0, 1.0.0)" />
       <dependency id="MySql.Data" version="[6.9.8, 7.0.0)" />
@@ -37,9 +37,9 @@
       <dependency id="ImageProcessor" version="[2.5.2, 3.0.0)" />
       <dependency id="ImageProcessor.Web" version="[4.8.2, 5.0.0)" />
       <dependency id="semver" version="[2.0.4, 3.0.0)" />
-      <dependency id="UrlRewritingNet" version="[2.0.7, 3.0.0)" />	  
+      <dependency id="UrlRewritingNet" version="[2.0.7, 3.0.0)" />
 	  <!-- Markdown can not be updated due to: https://github.com/hey-red/markdownsharp/issues/71#issuecomment-233585487 -->
-      <dependency id="Markdown" version="[1.14.7, 2.0.0)" />	  
+      <dependency id="Markdown" version="[1.14.7, 2.0.0)" />
       <dependency id="System.Threading.Tasks.Dataflow" version="[4.6.0, 5.0.0)" />
     </dependencies>
   </metadata>

build/UmbracoVersion.txt

@@ -1,3 +1,3 @@
 # Usage: on line 2 put the release version, on line 3 put the version comment (example: beta)
 7.6.0
-alpha063
+alpha074

src/SQLCE4Umbraco/SqlCE4Umbraco.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>SQLCE4Umbraco</RootNamespace>
     <AssemblyName>SQLCE4Umbraco</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SccProjectName>
     </SccProjectName>
@@ -49,9 +49,11 @@
     <Reference Include="System.Core" />
     <Reference Include="System.Data.SqlServerCe, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Data.SqlServerCe.Entity, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.Entity.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />

src/SQLCE4Umbraco/app.config

@@ -32,4 +32,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/SolutionInfo.cs

@@ -12,4 +12,4 @@ using System.Resources;
 [assembly: AssemblyVersion("1.0.*")]
 
 [assembly: AssemblyFileVersion("7.6.0")]
-[assembly: AssemblyInformationalVersion("7.6.0-alpha063")]
+[assembly: AssemblyInformationalVersion("7.6.0-alpha074")]

src/Umbraco.Core/CodeAnnotations/UmbracoUdiTypeAttribute.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace Umbraco.Core.CodeAnnotations
+{
+    [AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = false)]
+    internal class UmbracoUdiTypeAttribute : Attribute
+    {
+        public string UdiType { get; private set; }
+
+        public UmbracoUdiTypeAttribute(string udiType)
+        {
+            UdiType = udiType;
+        }
+    }
+}

src/Umbraco.Core/Configuration/CoreDebug.cs

@@ -0,0 +1,27 @@
+using System;
+
+namespace Umbraco.Core.Configuration
+{
+    internal static class CoreDebugExtensions
+    {
+        private static CoreDebug _coreDebug;
+
+        public static CoreDebug CoreDebug(this UmbracoConfig config)
+        {
+            return _coreDebug ?? (_coreDebug = new CoreDebug());
+        }
+    }
+
+    internal class CoreDebug
+    {
+        public CoreDebug()
+        {
+            var appSettings = System.Configuration.ConfigurationManager.AppSettings;
+            LogUncompletedScopes = string.Equals("true", appSettings["Umbraco.CoreDebug.LogUncompletedScopes"], StringComparison.OrdinalIgnoreCase);
+        }
+
+        // when true, Scope logs the stack trace for any scope that gets disposed without being completed.
+        // this helps troubleshooting rogue scopes that we forget to complete
+        public bool LogUncompletedScopes { get; private set; }
+    }
+}

src/Umbraco.Core/Configuration/UmbracoSettings/ContentElement.cs

@@ -159,6 +159,12 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
             get { return GetOptionalTextElement("defaultDocumentTypeProperty", "Textstring"); }
         }
 
+        [ConfigurationProperty("showDeprecatedPropertyEditors")]
+        internal InnerTextConfigurationElement<bool> ShowDeprecatedPropertyEditors
+        {
+            get { return GetOptionalTextElement("showDeprecatedPropertyEditors", false); }
+        }
+
         [ConfigurationProperty("EnableInheritedDocumentTypes")]
         internal InnerTextConfigurationElement<bool> EnableInheritedDocumentTypes
         {
@@ -171,6 +177,12 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
             get { return GetOptionalTextElement("EnableInheritedMediaTypes", true); }
         }
 
+        [ConfigurationProperty("EnablePropertyValueConverters")]
+        internal InnerTextConfigurationElement<bool> EnablePropertyValueConverters
+        {
+            get { return GetOptionalTextElement("EnablePropertyValueConverters", false); }
+        }
+
         string IContentSection.NotificationEmailAddress
         {
             get { return Notifications.NotificationEmailAddress; }
@@ -306,6 +318,11 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
             get { return DefaultDocumentTypeProperty; }
         }
 
+        bool IContentSection.ShowDeprecatedPropertyEditors
+        {
+            get { return ShowDeprecatedPropertyEditors; }
+        }
+
         bool IContentSection.EnableInheritedDocumentTypes
         {
             get { return EnableInheritedDocumentTypes; }
@@ -315,5 +332,9 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
         {
             get { return EnableInheritedMediaTypes; }
         }
+        bool IContentSection.EnablePropertyValueConverters
+        {
+            get { return EnablePropertyValueConverters; }
+        }
     }
 }

src/Umbraco.Core/Configuration/UmbracoSettings/IContentSection.cs

@@ -60,8 +60,17 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
 
         string DefaultDocumentTypeProperty { get; }
 
+        /// <summary>
+        /// The default for this is false but if you would like deprecated property editors displayed 
+        /// in the data type editor you can enable this
+        /// </summary>
+        bool ShowDeprecatedPropertyEditors { get; }
+
         bool EnableInheritedDocumentTypes { get; }
 
         bool EnableInheritedMediaTypes { get; }
+
+        bool EnablePropertyValueConverters { get; }
+
     }
 }

src/Umbraco.Core/Configuration/UmbracoVersion.cs

@@ -24,7 +24,7 @@ namespace Umbraco.Core.Configuration
         /// Gets the version comment (like beta or RC).
         /// </summary>
         /// <value>The version comment.</value>
-        public static string CurrentComment { get { return "alpha063"; } }
+        public static string CurrentComment { get { return "alpha074"; } }
 
         // Get the version of the umbraco.dll by looking at a class in that dll
         // Had to do it like this due to medium trust issues, see: http://haacked.com/archive/2010/11/04/assembly-location-and-medium-trust.aspx

src/Umbraco.Core/Constants-ObjectTypes.cs

@@ -109,6 +109,11 @@ namespace Umbraco.Core
             /// </summary>
             public const string Member = "39EB0F98-B348-42A1-8662-E7EB18487560";
 
+            /// <summary>
+            /// Guid for a Media Type object.
+            /// </summary>
+            public static readonly Guid MemberGuid = new Guid(Member);
+
             /// <summary>
             /// Guid for a Member Group object.
             /// </summary>

src/Umbraco.Core/Constants-PropertyEditors.cs

@@ -42,10 +42,14 @@ namespace Umbraco.Core
             [Obsolete("GUIDs are no longer used to reference Property Editors, use the Alias constant instead. This will be removed in future versions")]
             public const string ContentPicker = "158AA029-24ED-4948-939E-C3DA209E5FBA";
 
+            
+            [Obsolete("This is an obsoleted content picker, use ContentPicker2Alias instead")]
+            public const string ContentPickerAlias = "Umbraco.ContentPickerAlias";
+
             /// <summary>
             /// Alias for the Content Picker datatype.
             /// </summary>
-            public const string ContentPickerAlias = "Umbraco.ContentPickerAlias";
+            public const string ContentPicker2Alias = "Umbraco.ContentPicker2";
 
             /// <summary>
             /// Guid for the Date datatype.
@@ -192,11 +196,15 @@ namespace Umbraco.Core
             [Obsolete("GUIDs are no longer used to reference Property Editors, use the Alias constant instead. This will be removed in future versions")]
             public const string MediaPicker = "EAD69342-F06D-4253-83AC-28000225583B";
 
+            [Obsolete("This is an obsoleted picker, use MediaPicker2Alias instead")]
+            public const string MediaPickerAlias = "Umbraco.MediaPicker";
+
             /// <summary>
             /// Alias for the Media Picker datatype.
             /// </summary>
-            public const string MediaPickerAlias = "Umbraco.MediaPicker";
+            public const string MediaPicker2Alias = "Umbraco.MediaPicker2";
 
+            [Obsolete("This is an obsoleted picker, use MediaPicker2Alias instead")]
             public const string MultipleMediaPickerAlias = "Umbraco.MultipleMediaPicker";
 
             /// <summary>
@@ -205,26 +213,32 @@ namespace Umbraco.Core
             [Obsolete("GUIDs are no longer used to reference Property Editors, use the Alias constant instead. This will be removed in future versions")]
             public const string MemberPicker = "39F533E4-0551-4505-A64B-E0425C5CE775";
 
+            [Obsolete("This is an obsoleted picker, use MemberPicker2Alias instead")]
+            public const string MemberPickerAlias = "Umbraco.MemberPicker";
+
             /// <summary>
             /// Alias for the Member Picker datatype.
             /// </summary>
-            public const string MemberPickerAlias = "Umbraco.MemberPicker";
+            public const string MemberPicker2Alias = "Umbraco.MemberPicker2";
 
             /// <summary>
             /// Alias for the Member Group Picker datatype.
             /// </summary>
             public const string MemberGroupPickerAlias = "Umbraco.MemberGroupPicker";
-
+            
             /// <summary>
             /// Guid for the Multi-Node Tree Picker datatype
             /// </summary>
             [Obsolete("GUIDs are no longer used to reference Property Editors, use the Alias constant instead. This will be removed in future versions")]
             public const string MultiNodeTreePicker = "7E062C13-7C41-4AD9-B389-41D88AEEF87C";
 
+            [Obsolete("This is an obsoleted picker, use MultiNodeTreePicker2Alias instead")]
+            public const string MultiNodeTreePickerAlias = "Umbraco.MultiNodeTreePicker";
+
             /// <summary>
             /// Alias for the Multi-Node Tree Picker datatype
             /// </summary>
-            public const string MultiNodeTreePickerAlias = "Umbraco.MultiNodeTreePicker";
+            public const string MultiNodeTreePicker2Alias = "Umbraco.MultiNodeTreePicker2";
 
             /// <summary>
             /// Guid for the Multiple Textstring datatype.

src/Umbraco.Core/Deploy/ArtifactBase.cs

@@ -16,6 +16,7 @@ namespace Umbraco.Core.Deploy
             if (udi == null)
                 throw new ArgumentNullException("udi");
             Udi = udi;
+            Name = Udi.ToString();
 
             Dependencies = dependencies ?? Enumerable.Empty<ArtifactDependency>();
             _checksum = new Lazy<string>(GetChecksum);
@@ -48,5 +49,8 @@ namespace Umbraco.Core.Deploy
         }
 
         #endregion
+
+        public string Name { get; set; }
+        public string Alias { get; set; }
     }
 }

src/Umbraco.Core/Deploy/IArtifact.cs

@@ -4,5 +4,8 @@ namespace Umbraco.Core.Deploy
     /// Represents an artifact ie an object that can be transfered between environments.
     /// </summary>
     public interface IArtifact : IArtifactSignature
-    { }
+    {
+        string Name { get; }
+        string Alias { get; }
+    }
 }

src/Umbraco.Core/Deploy/IFileSource.cs

@@ -66,10 +66,20 @@ namespace Umbraco.Core.Deploy
         /// <returns>The length of the file, or -1 if the file does not exist.</returns>
         Task<long> GetFileLengthAsync(StringUdi udi, CancellationToken token);
 
-        // fixme - doc
-        void GetFiles(IEnumerable<StringUdi> udis, IFileStore fileStore);
+        /// <summary>
+        /// Gets files and store them using a file store.
+        /// </summary>
+        /// <param name="udis">The udis of the files to get.</param>
+        /// <param name="fileTypes">A collection of file types which can store the files.</param>
+        void GetFiles(IEnumerable<StringUdi> udis, IFileTypeCollection fileTypes);
 
-        Task GetFilesAsync(IEnumerable<StringUdi> udis, IFileStore fileStore, CancellationToken token);
+        /// <summary>
+        /// Gets files and store them using a file store.
+        /// </summary>
+        /// <param name="udis">The udis of the files to get.</param>
+        /// <param name="fileTypes">A collection of file types which can store the files.</param>
+        /// <param name="token">A cancellation token.</param>
+        Task GetFilesAsync(IEnumerable<StringUdi> udis, IFileTypeCollection fileTypes, CancellationToken token);
 
         ///// <summary>
         ///// Gets the content of a file as a bytes array.

src/Umbraco.Core/Deploy/IFileStore.cs

@@ -1,9 +0,0 @@
-using System.IO;
-
-namespace Umbraco.Core.Deploy
-{
-    public interface IFileStore
-    {
-        void SaveStream(StringUdi udi, Stream stream);
-    }
-}

src/Umbraco.Core/Deploy/IFileType.cs

@@ -0,0 +1,32 @@
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Umbraco.Core.Deploy
+{
+    public interface IFileType
+    {
+        Stream GetStream(StringUdi udi);
+
+        Task<Stream> GetStreamAsync(StringUdi udi, CancellationToken token);
+
+        Stream GetChecksumStream(StringUdi udi);
+
+        long GetLength(StringUdi udi);
+
+        void SetStream(StringUdi udi, Stream stream);
+
+        Task SetStreamAsync(StringUdi udi, Stream stream, CancellationToken token);
+
+        bool CanSetPhysical { get; }
+
+        void Set(StringUdi udi, string physicalPath, bool copy = false);
+
+        // this is not pretty as *everywhere* in Deploy we take care of ignoring
+        // the physical path and always rely on Core's virtual IFileSystem but
+        // Cloud wants to add some of these files to Git and needs the path...
+        string GetPhysicalPath(StringUdi udi);
+
+        string GetVirtualPath(StringUdi udi);
+    }
+}

src/Umbraco.Core/Deploy/IFileTypeCollection.cs

@@ -0,0 +1,9 @@
+namespace Umbraco.Core.Deploy
+{
+    public interface IFileTypeCollection
+    {
+        IFileType this[string entityType] { get; }
+
+        bool Contains(string entityType);
+    }
+}

src/Umbraco.Core/Deploy/IPrettyArtifact.cs

@@ -1,8 +0,0 @@
-namespace Umbraco.Core.Deploy
-{
-    public interface IPrettyArtifact
-    {
-        string Name { get; }
-        string Alias { get; }
-    }
-}

src/Umbraco.Core/EnumerableExtensions.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text;
@@ -67,22 +68,15 @@ namespace Umbraco.Core
             }
         }
 
-        /// <summary>The for each.</summary>
-        /// <param name="items">The items.</param>
-        /// <param name="func">The func.</param>
-        /// <typeparam name="TItem">item type</typeparam>
-        /// <typeparam name="TResult">Result type</typeparam>
-        /// <returns>the Results</returns>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [Obsolete("Use a normal foreach loop instead, this adds more allocations than necessary")]
         public static TResult[] ForEach<TItem, TResult>(this IEnumerable<TItem> items, Func<TItem, TResult> func)
         {
             return items.Select(func).ToArray();
         }
 
-        /// <summary>The for each.</summary>
-        /// <param name="items">The items.</param>
-        /// <param name="action">The action.</param>
-        /// <typeparam name="TItem">Item type</typeparam>
-        /// <returns>list of TItem</returns>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        [Obsolete("Use a normal foreach loop instead, this adds more allocations than necessary")]
         public static IEnumerable<TItem> ForEach<TItem>(this IEnumerable<TItem> items, Action<TItem> action)
         {
             if (items != null)
@@ -101,6 +95,7 @@ namespace Umbraco.Core
         /// <param name="f">The select child.</param>
         /// <typeparam name="T">Item type</typeparam>
         /// <returns>list of TItem</returns>
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [Obsolete("Do not use, use SelectRecursive instead which has far less potential of re-iterating an iterator which may cause significantly more SQL queries")]
         public static IEnumerable<T> FlattenList<T>(this IEnumerable<T> e, Func<T, IEnumerable<T>> f)
         {
@@ -301,5 +296,21 @@ namespace Umbraco.Core
                && list1Groups.All(g => g.Count() == list2Groups[g.Key].Count());
         }
 
+        ///<summary>
+        /// Returns the items of the given enumerable as a pure enumerable.
+        /// <remarks>
+        /// When quering lists using methods such as <see cref="M:List.Where"/>, the result, despite appearing to look like and quack like an 
+        /// <see cref="T:Enumerable{T}"/> the type is actually an instance of <see cref="T:System.Linq.Enumerable.WhereEnumerableIterator"/>
+        /// </remarks>
+        /// </summary>
+        ///<param name="source">The item to find.</param>
+        ///<returns>The index of the first matching item, or -1 if the item was not found.</returns>
+        internal static IEnumerable<T> Yield<T>(this IEnumerable<T> source)
+        {
+            foreach (var element in source)
+            {
+                yield return element;
+            }
+        }
     }
 }

src/Umbraco.Core/Events/ScopeLifespanMessagesFactory.cs

@@ -0,0 +1,58 @@
+using System;
+using Umbraco.Core.Scoping;
+
+namespace Umbraco.Core.Events
+{
+    /// <summary>
+    /// Stores the instance of EventMessages in the current scope.
+    /// </summary>
+    internal class ScopeLifespanMessagesFactory : IEventMessagesFactory
+    {
+        public const string ContextKey = "Umbraco.Core.Events.ScopeLifespanMessagesFactory";
+
+        private readonly IHttpContextAccessor _contextAccessor;
+        private readonly IScopeProviderInternal _scopeProvider;
+
+        public static ScopeLifespanMessagesFactory Current { get; private set; }
+
+        public ScopeLifespanMessagesFactory(IHttpContextAccessor contextAccesor, IScopeProvider scopeProvider)
+        {
+            if (contextAccesor == null) throw new ArgumentNullException("contextAccesor");
+            if (scopeProvider == null) throw new ArgumentNullException("scopeProvider");
+            if (scopeProvider is IScopeProviderInternal == false) throw new ArgumentException("Not IScopeProviderInternal.", "scopeProvider");
+            _contextAccessor = contextAccesor;
+            _scopeProvider = (IScopeProviderInternal) scopeProvider;
+            Current = this;
+        }
+
+        public EventMessages Get()
+        {
+            var messages = GetFromHttpContext();
+            if (messages != null) return messages;
+
+            var scope = _scopeProvider.GetAmbientOrNoScope();
+            return scope.Messages;
+        }
+
+        public EventMessages GetFromHttpContext()
+        {
+            if (_contextAccessor == null || _contextAccessor.Value == null) return null;
+            return (EventMessages)_contextAccessor.Value.Items[ContextKey];
+        }
+
+        public EventMessages TryGet()
+        {
+            var messages = GetFromHttpContext();
+            if (messages != null) return messages;
+
+            var scope = _scopeProvider.AmbientScope;
+            return scope == null ? null : scope.MessagesOrNull;
+        }
+
+        public void Set(EventMessages messages)
+        {
+            if (_contextAccessor.Value == null) return;
+            _contextAccessor.Value.Items[ContextKey] = messages;
+        }
+    }
+}

src/Umbraco.Core/IHttpContextAccessor.cs

@@ -0,0 +1,9 @@
+using System.Web;
+
+namespace Umbraco.Core
+{
+    public interface IHttpContextAccessor
+    {
+        HttpContextBase Value { get; }
+    }
+}

src/Umbraco.Core/IO/FileSystemProviderManager.cs

@@ -12,25 +12,18 @@ namespace Umbraco.Core.IO
     public class FileSystemProviderManager
     {
         private readonly FileSystemProvidersSection _config;
-        private readonly WeakSet<ShadowWrapper> _wrappers = new WeakSet<ShadowWrapper>();
+        private readonly ConcurrentSet<ShadowWrapper> _wrappers = new ConcurrentSet<ShadowWrapper>();
 
-        // actual well-known filesystems returned by properties
-        private readonly IFileSystem2 _macroPartialFileSystem;
-        private readonly IFileSystem2 _partialViewsFileSystem;
-        private readonly IFileSystem2 _stylesheetsFileSystem;
-        private readonly IFileSystem2 _scriptsFileSystem;
-        private readonly IFileSystem2 _xsltFileSystem;
-        private readonly IFileSystem2 _masterPagesFileSystem;
-        private readonly IFileSystem2 _mvcViewsFileSystem;
+        private readonly ConcurrentDictionary<string, ProviderConstructionInfo> _providerLookup = new ConcurrentDictionary<string, ProviderConstructionInfo>();
+        private readonly ConcurrentDictionary<string, IFileSystem2> _filesystems = new ConcurrentDictionary<string, IFileSystem2>();
 
-        // when shadowing is enabled, above filesystems, as wrappers
-        private readonly ShadowWrapper _macroPartialFileSystemWrapper;
-        private readonly ShadowWrapper _partialViewsFileSystemWrapper;
-        private readonly ShadowWrapper _stylesheetsFileSystemWrapper;
-        private readonly ShadowWrapper _scriptsFileSystemWrapper;
-        private readonly ShadowWrapper _xsltFileSystemWrapper;
-        private readonly ShadowWrapper _masterPagesFileSystemWrapper;
-        private readonly ShadowWrapper _mvcViewsFileSystemWrapper;
+        private ShadowWrapper _macroPartialFileSystem;
+        private ShadowWrapper _partialViewsFileSystem;
+        private ShadowWrapper _stylesheetsFileSystem;
+        private ShadowWrapper _scriptsFileSystem;
+        private ShadowWrapper _xsltFileSystem;
+        private ShadowWrapper _masterPagesFileSystem;
+        private ShadowWrapper _mvcViewsFileSystem;
 
         #region Singleton & Constructor
 
@@ -41,31 +34,45 @@ namespace Umbraco.Core.IO
             get { return Instance; }
         }
 
+        // for tests only, totally unsafe
+        internal void Reset()
+        {
+            _wrappers.Clear();
+            _providerLookup.Clear();
+            _filesystems.Clear();
+            CreateWellKnownFileSystems();
+        }
+
         private IScopeProviderInternal ScopeProvider
         {
             // fixme - 'course this is bad, but enough for now
+            // beware: means that we capture the "current" scope provider - take care in tests!
             get { return ApplicationContext.Current == null ? null : ApplicationContext.Current.ScopeProvider as IScopeProviderInternal; }
         }
 
         internal FileSystemProviderManager()
         {
             _config = (FileSystemProvidersSection) ConfigurationManager.GetSection("umbracoConfiguration/FileSystemProviders");
+            CreateWellKnownFileSystems();
+        }
 
-            _macroPartialFileSystem = new PhysicalFileSystem(SystemDirectories.MacroPartials);
-            _partialViewsFileSystem = new PhysicalFileSystem(SystemDirectories.PartialViews);
-            _stylesheetsFileSystem = new PhysicalFileSystem(SystemDirectories.Css);
-            _scriptsFileSystem = new PhysicalFileSystem(SystemDirectories.Scripts);
-            _xsltFileSystem = new PhysicalFileSystem(SystemDirectories.Xslt);
-            _masterPagesFileSystem = new PhysicalFileSystem(SystemDirectories.Masterpages);
-            _mvcViewsFileSystem = new PhysicalFileSystem(SystemDirectories.MvcViews);
+        private void CreateWellKnownFileSystems()
+        {
+            var macroPartialFileSystem = new PhysicalFileSystem(SystemDirectories.MacroPartials);
+            var partialViewsFileSystem = new PhysicalFileSystem(SystemDirectories.PartialViews);
+            var stylesheetsFileSystem = new PhysicalFileSystem(SystemDirectories.Css);
+            var scriptsFileSystem = new PhysicalFileSystem(SystemDirectories.Scripts);
+            var xsltFileSystem = new PhysicalFileSystem(SystemDirectories.Xslt);
+            var masterPagesFileSystem = new PhysicalFileSystem(SystemDirectories.Masterpages);
+            var mvcViewsFileSystem = new PhysicalFileSystem(SystemDirectories.MvcViews);
 
-            _macroPartialFileSystem = _macroPartialFileSystemWrapper = new ShadowWrapper(_macroPartialFileSystem, "Views/MacroPartials", ScopeProvider);
-            _partialViewsFileSystem = _partialViewsFileSystemWrapper = new ShadowWrapper(_partialViewsFileSystem, "Views/Partials", ScopeProvider);
-            _stylesheetsFileSystem = _stylesheetsFileSystemWrapper = new ShadowWrapper(_stylesheetsFileSystem, "css", ScopeProvider);
-            _scriptsFileSystem = _scriptsFileSystemWrapper = new ShadowWrapper(_scriptsFileSystem, "scripts", ScopeProvider);
-            _xsltFileSystem = _xsltFileSystemWrapper = new ShadowWrapper(_xsltFileSystem, "xslt", ScopeProvider);
-            _masterPagesFileSystem = _masterPagesFileSystemWrapper = new ShadowWrapper(_masterPagesFileSystem, "masterpages", ScopeProvider);
-            _mvcViewsFileSystem = _mvcViewsFileSystemWrapper = new ShadowWrapper(_mvcViewsFileSystem, "Views", ScopeProvider);
+            _macroPartialFileSystem = new ShadowWrapper(macroPartialFileSystem, "Views/MacroPartials", ScopeProvider);
+            _partialViewsFileSystem = new ShadowWrapper(partialViewsFileSystem, "Views/Partials", ScopeProvider);
+            _stylesheetsFileSystem = new ShadowWrapper(stylesheetsFileSystem, "css", ScopeProvider);
+            _scriptsFileSystem = new ShadowWrapper(scriptsFileSystem, "scripts", ScopeProvider);
+            _xsltFileSystem = new ShadowWrapper(xsltFileSystem, "xslt", ScopeProvider);
+            _masterPagesFileSystem = new ShadowWrapper(masterPagesFileSystem, "masterpages", ScopeProvider);
+            _mvcViewsFileSystem = new ShadowWrapper(mvcViewsFileSystem, "Views", ScopeProvider);
 
             // filesystems obtained from GetFileSystemProvider are already wrapped and do not need to be wrapped again
             MediaFileSystem = GetFileSystemProvider<MediaFileSystem>();
@@ -80,7 +87,7 @@ namespace Umbraco.Core.IO
         public IFileSystem2 StylesheetsFileSystem { get { return _stylesheetsFileSystem; } }
         public IFileSystem2 ScriptsFileSystem { get { return _scriptsFileSystem; } }
         public IFileSystem2 XsltFileSystem { get { return _xsltFileSystem; } }
-        public IFileSystem2 MasterPagesFileSystem { get { return _masterPagesFileSystem; } }
+        public IFileSystem2 MasterPagesFileSystem { get { return _mvcViewsFileSystem; } }
         public IFileSystem2 MvcViewsFileSystem { get { return _mvcViewsFileSystem; } }
         public MediaFileSystem MediaFileSystem { get; private set; }
 
@@ -98,56 +105,74 @@ namespace Umbraco.Core.IO
 			//public string ProviderAlias { get; set; }
 		}
 
-		private readonly ConcurrentDictionary<string, ProviderConstructionInfo> _providerLookup = new ConcurrentDictionary<string, ProviderConstructionInfo>();
-		private readonly ConcurrentDictionary<Type, string> _aliases = new ConcurrentDictionary<Type, string>();
-
         /// <summary>
         /// Gets an underlying (non-typed) filesystem supporting a strongly-typed filesystem.
         /// </summary>
         /// <param name="alias">The alias of the strongly-typed filesystem.</param>
         /// <returns>The non-typed filesystem supporting the strongly-typed filesystem with the specified alias.</returns>
-        /// <remarks>This method should not be used directly, used <see cref="GetFileSystemProvider{TFileSystem}"/> instead.</remarks>
+        /// <remarks>This method should not be used directly, used <see cref="GetFileSystemProvider{TFileSystem}()"/> instead.</remarks>
         public IFileSystem GetUnderlyingFileSystemProvider(string alias)
+        {
+            return GetUnderlyingFileSystemProvider(alias, null);
+        }
+
+        /// <summary>
+        /// Gets an underlying (non-typed) filesystem supporting a strongly-typed filesystem.
+        /// </summary>
+        /// <param name="alias">The alias of the strongly-typed filesystem.</param>
+        /// /// <param name="fallback">A fallback creator for the filesystem.</param>
+        /// <returns>The non-typed filesystem supporting the strongly-typed filesystem with the specified alias.</returns>
+        /// <remarks>This method should not be used directly, used <see cref="GetFileSystemProvider{TFileSystem}()"/> instead.</remarks>
+        private IFileSystem GetUnderlyingFileSystemProvider(string alias, Func<IFileSystem> fallback)
         {
 			// either get the constructor info from cache or create it and add to cache
-	        var ctorInfo = _providerLookup.GetOrAdd(alias, s =>
-		        {
-                    // get config
-			        var providerConfig = _config.Providers[s];
-			        if (providerConfig == null)
-				        throw new ArgumentException(string.Format("No provider found with alias {0}.", s));
+            var ctorInfo = _providerLookup.GetOrAdd(alias, _ => GetUnderlyingFileSystemCtor(alias, fallback));
+            return ctorInfo == null ? fallback() : (IFileSystem) ctorInfo.Constructor.Invoke(ctorInfo.Parameters);
+        }
 
-                    // get the filesystem type
-			        var providerType = Type.GetType(providerConfig.Type);
-			        if (providerType == null)
-				        throw new InvalidOperationException(string.Format("Could not find type {0}.", providerConfig.Type));
+        private IFileSystem GetUnderlyingFileSystemNoCache(string alias, Func<IFileSystem> fallback)
+        {
+            var ctorInfo = GetUnderlyingFileSystemCtor(alias, fallback);
+            return ctorInfo == null ? fallback() : (IFileSystem) ctorInfo.Constructor.Invoke(ctorInfo.Parameters);
+        }
 
-                    // ensure it implements IFileSystem
-			        if (providerType.IsAssignableFrom(typeof (IFileSystem)))
-				        throw new InvalidOperationException(string.Format("Type {0} does not implement IFileSystem.", providerType.FullName));
+        private ProviderConstructionInfo GetUnderlyingFileSystemCtor(string alias, Func<IFileSystem> fallback)
+        {
+            // get config
+            var providerConfig = _config.Providers[alias];
+            if (providerConfig == null)
+            {
+                if (fallback != null) return null;
+                throw new ArgumentException(string.Format("No provider found with alias {0}.", alias));
+            }
 
-                    // find a ctor matching the config parameters
-			        var paramCount = providerConfig.Parameters != null ? providerConfig.Parameters.Count : 0;
-			        var constructor = providerType.GetConstructors().SingleOrDefault(x
-                        => x.GetParameters().Length == paramCount && x.GetParameters().All(y => providerConfig.Parameters.AllKeys.Contains(y.Name)));
-			        if (constructor == null)
-				        throw new InvalidOperationException(string.Format("Type {0} has no ctor matching the {1} configuration parameter(s).", providerType.FullName, paramCount));
+            // get the filesystem type
+            var providerType = Type.GetType(providerConfig.Type);
+            if (providerType == null)
+                throw new InvalidOperationException(string.Format("Could not find type {0}.", providerConfig.Type));
 
-			        var parameters = new object[paramCount];
-                    if (providerConfig.Parameters != null) // keeps ReSharper happy
-			            for (var i = 0; i < paramCount; i++)
-				            parameters[i] = providerConfig.Parameters[providerConfig.Parameters.AllKeys[i]].Value;
+            // ensure it implements IFileSystem
+            if (providerType.IsAssignableFrom(typeof(IFileSystem)))
+                throw new InvalidOperationException(string.Format("Type {0} does not implement IFileSystem.", providerType.FullName));
 
-			        return new ProviderConstructionInfo
-				        {
-					        Constructor = constructor,
-					        Parameters = parameters,
-					        //ProviderAlias = s
-				        };
-		        });
+            // find a ctor matching the config parameters
+            var paramCount = providerConfig.Parameters != null ? providerConfig.Parameters.Count : 0;
+            var constructor = providerType.GetConstructors().SingleOrDefault(x
+                => x.GetParameters().Length == paramCount && x.GetParameters().All(y => providerConfig.Parameters.AllKeys.Contains(y.Name)));
+            if (constructor == null)
+                throw new InvalidOperationException(string.Format("Type {0} has no ctor matching the {1} configuration parameter(s).", providerType.FullName, paramCount));
 
-            // create the fs and return
-			return (IFileSystem) ctorInfo.Constructor.Invoke(ctorInfo.Parameters);
+            var parameters = new object[paramCount];
+            if (providerConfig.Parameters != null) // keeps ReSharper happy
+                for (var i = 0; i < paramCount; i++)
+                    parameters[i] = providerConfig.Parameters[providerConfig.Parameters.AllKeys[i]].Value;
+
+            return new ProviderConstructionInfo
+            {
+                Constructor = constructor,
+                Parameters = parameters,
+                //ProviderAlias = s
+            };
         }
 
         /// <summary>
@@ -155,38 +180,68 @@ namespace Umbraco.Core.IO
         /// </summary>
         /// <typeparam name="TFileSystem">The type of the filesystem.</typeparam>
         /// <returns>A strongly-typed filesystem of the specified type.</returns>
+        /// <remarks>
+        /// <para>Ideally, this should cache the instances, but that would break backward compatibility, so we
+        /// only do it for our own MediaFileSystem - for everything else, it's the responsibility of the caller
+        /// to ensure that they maintain singletons. This is important for singletons, as each filesystem maintains
+        /// its own shadow and having multiple instances would lead to inconsistencies.</para>
+        /// <para>Note that any filesystem created by this method *after* shadowing begins, will *not* be
+        /// shadowing (and an exception will be thrown by the ShadowWrapper).</para>
+        /// </remarks>
         public TFileSystem GetFileSystemProvider<TFileSystem>()
-			where TFileSystem : FileSystemWrapper
+            where TFileSystem : FileSystemWrapper
         {
-            // deal with known types - avoid infinite loops!
-            if (typeof(TFileSystem) == typeof(MediaFileSystem) && MediaFileSystem != null)
-                return MediaFileSystem as TFileSystem; // else create and return
+            return GetFileSystemProvider<TFileSystem>(null);
+        }
 
-			// get/cache the alias for the filesystem type
-	        var alias = _aliases.GetOrAdd(typeof (TFileSystem), fsType =>
-		        {
-					// validate the ctor
-					var constructor = fsType.GetConstructors().SingleOrDefault(x
-                        => x.GetParameters().Length == 1 && TypeHelper.IsTypeAssignableFrom<IFileSystem>(x.GetParameters().Single().ParameterType));
-					if (constructor == null)
-						throw new InvalidOperationException("Type " + fsType.FullName + " must inherit from FileSystemWrapper and have a constructor that accepts one parameter of type " + typeof(IFileSystem).FullName + ".");
+        /// <summary>
+        /// Gets a strongly-typed filesystem.
+        /// </summary>
+        /// <typeparam name="TFileSystem">The type of the filesystem.</typeparam>
+        /// <param name="fallback">A fallback creator for the inner filesystem.</param>
+        /// <returns>A strongly-typed filesystem of the specified type.</returns>
+        /// <remarks>
+        /// <para>The fallback creator is used only if nothing is configured.</para>
+        /// <para>Ideally, this should cache the instances, but that would break backward compatibility, so we
+        /// only do it for our own MediaFileSystem - for everything else, it's the responsibility of the caller
+        /// to ensure that they maintain singletons. This is important for singletons, as each filesystem maintains
+        /// its own shadow and having multiple instances would lead to inconsistencies.</para>
+        /// <para>Note that any filesystem created by this method *after* shadowing begins, will *not* be
+        /// shadowing (and an exception will be thrown by the ShadowWrapper).</para>
+        /// </remarks>
+        public TFileSystem GetFileSystemProvider<TFileSystem>(Func<IFileSystem> fallback)
+            where TFileSystem : FileSystemWrapper
+        {
+            var alias = GetFileSystemAlias<TFileSystem>();
+            return (TFileSystem) _filesystems.GetOrAdd(alias, _ =>
+            {
+                // gets the inner fs, create the strongly-typed fs wrapping the inner fs, register & return
+                // so we are double-wrapping here
+                // could be optimized by having FileSystemWrapper inherit from ShadowWrapper, maybe
+                var innerFs = GetUnderlyingFileSystemNoCache(alias, fallback);
+                var shadowWrapper = new ShadowWrapper(innerFs, "typed/" + alias, ScopeProvider);
+                var fs = (IFileSystem2) Activator.CreateInstance(typeof (TFileSystem), shadowWrapper);
+                _wrappers.Add(shadowWrapper); // keeping a reference to the wrapper
+                return fs;
+            });
+        }
 
-                    // find the attribute and get the alias
-					var attr = (FileSystemProviderAttribute) fsType.GetCustomAttributes(typeof(FileSystemProviderAttribute), false).SingleOrDefault();
-					if (attr == null)
-						throw new InvalidOperationException("Type " + fsType.FullName + "is missing the required FileSystemProviderAttribute.");
+        private string GetFileSystemAlias<TFileSystem>()
+        {
+            var fsType = typeof(TFileSystem);
 
-			        return attr.Alias;
-		        });
+            // validate the ctor
+            var constructor = fsType.GetConstructors().SingleOrDefault(x
+                => x.GetParameters().Length == 1 && TypeHelper.IsTypeAssignableFrom<IFileSystem>(x.GetParameters().Single().ParameterType));
+            if (constructor == null)
+                throw new InvalidOperationException("Type " + fsType.FullName + " must inherit from FileSystemWrapper and have a constructor that accepts one parameter of type " + typeof(IFileSystem).FullName + ".");
 
-            // gets the inner fs, create the strongly-typed fs wrapping the inner fs, register & return
-            // so we are double-wrapping here
-            // could be optimized by having FileSystemWrapper inherit from ShadowWrapper, maybe
-            var innerFs = GetUnderlyingFileSystemProvider(alias);
-            var shadowWrapper = new ShadowWrapper(innerFs, "typed/" + alias, ScopeProvider);
-	        var fs = (TFileSystem) Activator.CreateInstance(typeof (TFileSystem), shadowWrapper);
-            _wrappers.Add(shadowWrapper); // keeping a weak reference to the wrapper
-	        return fs;
+            // find the attribute and get the alias
+            var attr = (FileSystemProviderAttribute)fsType.GetCustomAttributes(typeof(FileSystemProviderAttribute), false).SingleOrDefault();
+            if (attr == null)
+                throw new InvalidOperationException("Type " + fsType.FullName + "is missing the required FileSystemProviderAttribute.");
+
+            return attr.Alias;
         }
 
         #endregion
@@ -199,30 +254,37 @@ namespace Umbraco.Core.IO
             var wrappers = new ShadowWrapper[typed.Length + 7];
             var i = 0;
             while (i < typed.Length) wrappers[i] = typed[i++];
-            wrappers[i++] = _macroPartialFileSystemWrapper;
-            wrappers[i++] = _partialViewsFileSystemWrapper;
-            wrappers[i++] = _stylesheetsFileSystemWrapper;
-            wrappers[i++] = _scriptsFileSystemWrapper;
-            wrappers[i++] = _xsltFileSystemWrapper;
-            wrappers[i++] = _masterPagesFileSystemWrapper;
-            wrappers[i] = _mvcViewsFileSystemWrapper;
+            wrappers[i++] = _macroPartialFileSystem;
+            wrappers[i++] = _partialViewsFileSystem;
+            wrappers[i++] = _stylesheetsFileSystem;
+            wrappers[i++] = _scriptsFileSystem;
+            wrappers[i++] = _xsltFileSystem;
+            wrappers[i++] = _masterPagesFileSystem;
+            wrappers[i] = _mvcViewsFileSystem;
 
             return new ShadowFileSystems(id, wrappers);
         }
 
         #endregion
 
-        private class WeakSet<T>
+        private class ConcurrentSet<T>
             where T : class
         {
-            private readonly HashSet<WeakReference<T>> _set = new HashSet<WeakReference<T>>();
+            private readonly HashSet<T> _set = new HashSet<T>();
 
             public void Add(T item)
             {
                 lock (_set)
                 {
-                    _set.Add(new WeakReference<T>(item));
-                    CollectLocked();
+                    _set.Add(item);
+                }
+            }
+
+            public void Clear()
+            {
+                lock (_set)
+                {
+                    _set.Clear();
                 }
             }
 
@@ -230,23 +292,9 @@ namespace Umbraco.Core.IO
             {
                 lock (_set)
                 {
-                    CollectLocked();
-                    return _set.Select(x =>
-                    {
-                        T target;
-                        return x.TryGetTarget(out target) ? target : null;
-                    }).WhereNotNull().ToArray();
+                    return _set.ToArray();
                 }
             }
-
-            private void CollectLocked()
-            {
-                _set.RemoveWhere(x =>
-                {
-                    T target;
-                    return x.TryGetTarget(out target) == false;
-                });
-            }
         }
     }
 }

src/Umbraco.Core/IO/ShadowFileSystem.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text.RegularExpressions;
 
 namespace Umbraco.Core.IO
 {
@@ -209,19 +210,20 @@ namespace Umbraco.Core.IO
 
         public IEnumerable<string> GetFiles(string path)
         {
-            var normPath = NormPath(path);
-            var shadows = Nodes.Where(kvp => IsChild(normPath, kvp.Key)).ToArray();
-            var files = _fs.GetFiles(path);
-            return files
-                .Except(shadows.Where(kvp => (kvp.Value.IsFile && kvp.Value.IsDelete) || kvp.Value.IsDir)
-                    .Select(kvp => kvp.Key))
-                .Union(shadows.Where(kvp => kvp.Value.IsFile && kvp.Value.IsExist).Select(kvp => kvp.Key))
-                .Distinct();
+            return GetFiles(path, null);
         }
 
         public IEnumerable<string> GetFiles(string path, string filter)
         {
-            return _fs.GetFiles(path, filter);
+            var normPath = NormPath(path);
+            var shadows = Nodes.Where(kvp => IsChild(normPath, kvp.Key)).ToArray();
+            var files = filter != null ? _fs.GetFiles(path, filter) : _fs.GetFiles(path);
+            var regexFilter = FilterToRegex(filter);
+            return files
+                .Except(shadows.Where(kvp => (kvp.Value.IsFile && kvp.Value.IsDelete) || kvp.Value.IsDir)
+                    .Select(kvp => kvp.Key))
+                .Union(shadows.Where(kvp => kvp.Value.IsFile && kvp.Value.IsExist && FilterByRegex(kvp.Key, regexFilter)).Select(kvp => kvp.Key))
+                .Distinct();
         }
 
         public Stream OpenFile(string path)
@@ -253,6 +255,9 @@ namespace Umbraco.Core.IO
 
         public string GetFullPath(string path)
         {
+            ShadowNode sf;
+            if (Nodes.TryGetValue(NormPath(path), out sf))
+                return sf.IsDir || sf.IsDelete ? null : _sfs.GetFullPath(path);
             return _fs.GetFullPath(path);
         }
 
@@ -321,5 +326,32 @@ namespace Umbraco.Core.IO
             _sfs.AddFile(path, physicalPath, overrideIfExists, copy);
             Nodes[normPath] = new ShadowNode(false, false);
         }
+        
+        /// <summary>
+        /// Helper function for filtering keys by Regex if a filter is specified.
+        /// </summary>
+        /// <param name="input"></param>
+        /// <param name="regexFilter"></param>
+        /// <returns></returns>
+        internal static bool FilterByRegex(string input, string regexFilter)
+        {
+            if (regexFilter == null) return true;
+            return regexFilter != string.Empty && Regex.IsMatch(input, regexFilter);
+        }
+
+        /// <summary>
+        /// Transforms a filter pattern into a Regex pattern
+        /// </summary>
+        /// <param name="pattern"></param>
+        /// <returns></returns>
+        /// <remarks>
+        /// Appending '$' only if not containing wildcard is stupid and broken.
+        /// It is however what seems to be what they're doing in .NET so we need to match the functionality.
+        /// </remarks>
+        internal static string FilterToRegex(string pattern)
+        {
+            if (pattern == null) return null;
+            return "^" + Regex.Escape(pattern).Replace("\\*", ".*").Replace("\\?", ".") + (pattern.Contains("*") ? string.Empty : "$");
+        }
     }
 }

src/Umbraco.Core/IO/ShadowWrapper.cs

@@ -27,7 +27,7 @@ namespace Umbraco.Core.IO
             // on ShadowFileSystemsScope.None - and if None is false then we should be running
             // in a single thread anyways
 
-            var virt = "~/App_Data/Shadow/" + id + "/" + _shadowPath;
+            var virt = "~/App_Data/TEMP/ShadowFs/" + id + "/" + _shadowPath;
             _shadowDir = IOHelper.MapPath(virt);
             Directory.CreateDirectory(_shadowDir);
             var tempfs = new PhysicalFileSystem(virt);
@@ -69,6 +69,11 @@ namespace Umbraco.Core.IO
             {
                 var isScoped = _scopeProvider != null && _scopeProvider.AmbientScope != null && _scopeProvider.AmbientScope.ScopedFileSystems;
 
+                // if the filesystem is created *after* shadowing starts, it won't be shadowing
+                // better not ignore that situation and raised a meaningful (?) exception
+                if (isScoped && _shadowFileSystem == null)
+                    throw new Exception("The filesystems are shadowing, but this filesystem is not.");
+
                 return isScoped
                     ? _shadowFileSystem
                     : _innerFileSystem;

src/Umbraco.Core/Models/ContentTypeExtensions.cs

@@ -30,7 +30,8 @@ namespace Umbraco.Core.Models
                 return descendants;
             }
 
-            throw new NotSupportedException("The content type must be " + typeof(IContentType) + " or " + typeof(IMediaType));
+            //No other content types have children (i.e. member types)
+            return Enumerable.Empty<IContentTypeBase>();
         }
 
         /// <summary>

src/Umbraco.Core/Models/Identity/IdentityModelMappings.cs

@@ -13,6 +13,7 @@ namespace Umbraco.Core.Models.Identity
         public override void ConfigureMappings(IConfiguration config, ApplicationContext applicationContext)
         {
             config.CreateMap<IUser, BackOfficeIdentityUser>()
+                .ForMember(user => user.LastLoginDateUtc, expression => expression.MapFrom(user => user.LastLoginDate.ToUniversalTime()))
                 .ForMember(user => user.Email, expression => expression.MapFrom(user => user.Email))
                 .ForMember(user => user.Id, expression => expression.MapFrom(user => user.Id))
                 .ForMember(user => user.LockoutEndDateUtc, expression => expression.MapFrom(user => user.IsLockedOut ? DateTime.MaxValue.ToUniversalTime() : (DateTime?)null))                

src/Umbraco.Core/Models/Identity/IdentityUser.cs

@@ -24,12 +24,17 @@ namespace Umbraco.Core.Models.Identity
         /// 
         /// </summary>
         public IdentityUser()
-        {
+        {            
             this.Claims = new List<TClaim>();
             this.Roles = new List<TRole>();
             this.Logins = new List<TLogin>();
         }
 
+        /// <summary>
+        /// Last login date
+        /// </summary>
+        public virtual DateTime? LastLoginDateUtc { get; set; }
+
         /// <summary>
         /// Email
         /// 

src/Umbraco.Core/Models/PublishedContent/PublishedContentEnumerable.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Umbraco.Core.Models.PublishedContent
+{
+    /// <summary>
+    /// The published content enumerable, this model is to allow ToString to be overriden for value converters to support legacy requests for string values
+    /// </summary>
+    public class PublishedContentEnumerable : IEnumerable<IPublishedContent>
+    {
+        /// <summary>
+        /// The items in the collection
+        /// </summary>
+        private readonly IEnumerable<IPublishedContent> _items;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PublishedContentEnumerable"/> class.
+        /// </summary>
+        /// <param name="publishedContent">
+        /// The published content items
+        /// </param>
+        public PublishedContentEnumerable(IEnumerable<IPublishedContent> publishedContent)
+        {
+            if (publishedContent == null) throw new ArgumentNullException("publishedContent");
+            _items = publishedContent;
+        }
+
+        /// <summary>
+        /// The ToString method to convert the objects back to CSV
+        /// </summary>
+        /// <returns>
+        /// The <see cref="string"/>.
+        /// </returns>
+        public override string ToString()
+        {
+            return string.Join(",", _items.Select(x => x.Id));
+        }
+
+        /// <summary>
+        /// The get enumerator.
+        /// </summary>
+        /// <returns>
+        /// The <see cref="IEnumerator"/>.
+        /// </returns>
+        public IEnumerator<IPublishedContent> GetEnumerator()
+        {
+            return _items.GetEnumerator();
+        }
+
+        /// <summary>
+        /// The get enumerator.
+        /// </summary>
+        /// <returns>
+        /// The <see cref="IEnumerator"/>.
+        /// </returns>
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+    }
+}

src/Umbraco.Core/Models/PublishedContent/PublishedContentExtended.cs

@@ -1,11 +1,12 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.ComponentModel;
 using System.Linq;
 
 namespace Umbraco.Core.Models.PublishedContent
 {
-
+    [TypeConverter(typeof(PublishedContentTypeConverter))]
     public class PublishedContentExtended : PublishedContentWrapped, IPublishedContentExtended
     {
         #region Constructor
@@ -186,6 +187,11 @@ namespace Umbraco.Core.Models.PublishedContent
         }
 
         #endregion
+
+        public override string ToString()
+        {
+            return Id.ToString();
+        }
     }
 
 }

src/Umbraco.Core/Models/PublishedContent/PublishedContentTypeConverter.cs

@@ -0,0 +1,39 @@
+using System;
+using System.ComponentModel;
+using System.Globalization;
+using System.Linq;
+
+namespace Umbraco.Core.Models.PublishedContent
+{
+    internal class PublishedContentTypeConverter : TypeConverter
+    {
+        private static readonly Type[] ConvertableTypes = new[]
+        {
+            typeof(int)
+        };
+
+        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
+        {
+            return ConvertableTypes.Any(x => TypeHelper.IsTypeAssignableFrom(x, destinationType))
+                   || base.CanConvertFrom(context, destinationType);
+        }
+
+        public override object ConvertTo(
+            ITypeDescriptorContext context,
+            CultureInfo culture,
+            object value,
+            Type destinationType)
+        {
+            var publishedContent = value as IPublishedContent;
+            if (publishedContent == null)
+                return null;
+
+            if (TypeHelper.IsTypeAssignableFrom<int>(destinationType))
+            {
+                return publishedContent.Id;
+            }
+
+            return base.ConvertTo(context, culture, value, destinationType);
+        }
+    }
+}

src/Umbraco.Core/Models/Range.cs

@@ -0,0 +1,52 @@
+using System;
+namespace Umbraco.Core.Models
+{
+    // <summary>The Range class. Adapted from http://stackoverflow.com/questions/5343006/is-there-a-c-sharp-type-for-representing-an-integer-range</summary>
+    /// <typeparam name="T">Generic parameter.</typeparam>
+    public class Range<T> where T : IComparable<T>
+    {
+        /// <summary>Minimum value of the range.</summary>
+        public T Minimum { get; set; }
+
+        /// <summary>Maximum value of the range.</summary>
+        public T Maximum { get; set; }
+
+        /// <summary>Presents the Range in readable format.</summary>
+        /// <returns>String representation of the Range</returns>
+        public override string ToString()
+        {
+            return string.Format("{0},{1}", this.Minimum, this.Maximum);
+        }
+
+        /// <summary>Determines if the range is valid.</summary>
+        /// <returns>True if range is valid, else false</returns>
+        public bool IsValid()
+        {
+            return this.Minimum.CompareTo(this.Maximum) <= 0;
+        }
+
+        /// <summary>Determines if the provided value is inside the range.</summary>
+        /// <param name="value">The value to test</param>
+        /// <returns>True if the value is inside Range, else false</returns>
+        public bool ContainsValue(T value)
+        {
+            return (this.Minimum.CompareTo(value) <= 0) && (value.CompareTo(this.Maximum) <= 0);
+        }
+
+        /// <summary>Determines if this Range is inside the bounds of another range.</summary>
+        /// <param name="Range">The parent range to test on</param>
+        /// <returns>True if range is inclusive, else false</returns>
+        public bool IsInsideRange(Range<T> range)
+        {
+            return this.IsValid() && range.IsValid() && range.ContainsValue(this.Minimum) && range.ContainsValue(this.Maximum);
+        }
+
+        /// <summary>Determines if another range is inside the bounds of this range.</summary>
+        /// <param name="Range">The child range to test</param>
+        /// <returns>True if range is inside, else false</returns>
+        public bool ContainsRange(Range<T> range)
+        {
+            return this.IsValid() && range.IsValid() && this.ContainsValue(range.Minimum) && this.ContainsValue(range.Maximum);
+        }
+    }
+}

src/Umbraco.Core/Models/Rdbms/DataTypePreValueDto.cs

@@ -9,7 +9,7 @@ namespace Umbraco.Core.Models.Rdbms
     internal class DataTypePreValueDto
     {
         [Column("id")]
-        [PrimaryKeyColumn(IdentitySeed = 6)]
+        [PrimaryKeyColumn(IdentitySeed = 10)]
         public int Id { get; set; }
 
         [Column("datatypeNodeId")]

src/Umbraco.Core/Models/Rdbms/User2NodePermissionDto.cs

@@ -15,6 +15,7 @@ namespace Umbraco.Core.Models.Rdbms
 
         [Column("nodeId")]
         [ForeignKey(typeof(NodeDto))]
+        [Index(IndexTypes.NonClustered, Name = "IX_umbracoUser2NodePermission_nodeId")]
         public int NodeId { get; set; }
 
         [Column("permission")]

src/Umbraco.Core/Models/UmbracoEntityExtensions.cs

@@ -113,6 +113,11 @@ namespace Umbraco.Core.Models
             }
         }
 
+        /// <summary>
+        /// When resolved from EntityService this checks if the entity has the HasChildren flag
+        /// </summary>
+        /// <param name="entity"></param>
+        /// <returns></returns>
         public static bool HasChildren(this IUmbracoEntity entity)
         {
             if (entity.AdditionalData.ContainsKey("HasChildren"))
@@ -133,6 +138,11 @@ namespace Umbraco.Core.Models
             return entity.AdditionalData.GetValueIgnoreCase(key, defaultVal);
         }
 
+        /// <summary>
+        /// When resolved from EntityService this checks if the entity has the IsContainer flag
+        /// </summary>
+        /// <param name="entity"></param>
+        /// <returns></returns>
         public static bool IsContainer(this IUmbracoEntity entity)
         {
             if (entity.AdditionalData.ContainsKeyIgnoreCase("IsContainer") == false) return false;

src/Umbraco.Core/Models/UmbracoObjectTypes.cs

@@ -26,7 +26,7 @@ namespace Umbraco.Core.Models
         /// <summary>
         /// Root
         /// </summary>
-        [UmbracoObjectType(Constants.ObjectTypes.SystemRoot)]
+        [UmbracoObjectType(Constants.ObjectTypes.SystemRoot)]        
         [FriendlyName("Root")]
         ROOT,
 
@@ -35,6 +35,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.Document, typeof(IContent))]
         [FriendlyName("Document")]
+        [UmbracoUdiType(Constants.UdiEntityType.Document)]
         Document,
 
         /// <summary>
@@ -42,6 +43,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.Media, typeof(IMedia))]
         [FriendlyName("Media")]
+        [UmbracoUdiType(Constants.UdiEntityType.Media)]
         Media,
 
         /// <summary>
@@ -49,6 +51,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.MemberType, typeof(IMemberType))]
         [FriendlyName("Member Type")]
+        [UmbracoUdiType(Constants.UdiEntityType.MemberType)]
         MemberType,
 
         /// <summary>
@@ -56,6 +59,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.Template, typeof(ITemplate))]
         [FriendlyName("Template")]
+        [UmbracoUdiType(Constants.UdiEntityType.Template)]
         Template,
 
         /// <summary>
@@ -63,6 +67,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.MemberGroup)]
         [FriendlyName("Member Group")]
+        [UmbracoUdiType(Constants.UdiEntityType.MemberGroup)]
         MemberGroup,
 
         //TODO: What is a 'Content Item' supposed to be???
@@ -80,6 +85,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.MediaType, typeof(IMediaType))]
         [FriendlyName("Media Type")]
+        [UmbracoUdiType(Constants.UdiEntityType.MediaType)]
         MediaType,
 
         /// <summary>
@@ -87,13 +93,14 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.DocumentType, typeof(IContentType))]
         [FriendlyName("Document Type")]
+        [UmbracoUdiType(Constants.UdiEntityType.DocumentType)]
         DocumentType,
 
         /// <summary>
         /// Recycle Bin
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.ContentRecycleBin)]
-        [FriendlyName("Recycle Bin")]
+        [FriendlyName("Recycle Bin")]        
         RecycleBin,
 
         /// <summary>
@@ -101,6 +108,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.Stylesheet)]
         [FriendlyName("Stylesheet")]
+        [UmbracoUdiType(Constants.UdiEntityType.Stylesheet)]
         Stylesheet,
 
         /// <summary>
@@ -108,6 +116,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.Member, typeof(IMember))]
         [FriendlyName("Member")]
+        [UmbracoUdiType(Constants.UdiEntityType.Member)]
         Member,
 
         /// <summary>
@@ -115,6 +124,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.DataType, typeof(IDataTypeDefinition))]
         [FriendlyName("Data Type")]
+        [UmbracoUdiType(Constants.UdiEntityType.DataType)]
         DataType,
 
         /// <summary>
@@ -122,6 +132,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.DocumentTypeContainer)]
         [FriendlyName("Document Type Container")]
+        [UmbracoUdiType(Constants.UdiEntityType.DocumentTypeContainer)]
         DocumentTypeContainer,
 
         /// <summary>
@@ -129,6 +140,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.MediaTypeContainer)]
         [FriendlyName("Media Type Container")]
+        [UmbracoUdiType(Constants.UdiEntityType.MediaTypeContainer)]
         MediaTypeContainer,
 
         /// <summary>
@@ -136,6 +148,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.DataTypeContainer)]
         [FriendlyName("Data Type Container")]
+        [UmbracoUdiType(Constants.UdiEntityType.DataTypeContainer)]
         DataTypeContainer,
 
         /// <summary>
@@ -143,6 +156,7 @@ namespace Umbraco.Core.Models
         /// </summary>
         [UmbracoObjectType(Constants.ObjectTypes.RelationType)]
         [FriendlyName("Relation Type")]
+        [UmbracoUdiType(Constants.UdiEntityType.RelationType)]
         RelationType,
 
         /// <summary>

src/Umbraco.Core/Models/UmbracoObjectTypesExtensions.cs

@@ -12,6 +12,7 @@ namespace Umbraco.Core.Models
     {
         //MUST be concurrent to avoid thread collisions!
         private static readonly ConcurrentDictionary<UmbracoObjectTypes, Guid> UmbracoObjectTypeCache = new ConcurrentDictionary<UmbracoObjectTypes, Guid>();
+        private static readonly ConcurrentDictionary<UmbracoObjectTypes, string> UmbracoObjectTypeUdiCache = new ConcurrentDictionary<UmbracoObjectTypes, string>();
 
         /// <summary>
         /// Get an UmbracoObjectTypes value from it's name
@@ -43,6 +44,21 @@ namespace Umbraco.Core.Models
             return umbracoObjectType;
         }
 
+        public static string GetUdiType(Guid guid)
+        {
+            var umbracoObjectType = Constants.UdiEntityType.Unknown;
+
+            foreach (var name in Enum.GetNames(typeof(UmbracoObjectTypes)))
+            {
+                var objType = GetUmbracoObjectType(name);
+                if (objType.GetGuid() == guid)
+                {
+                    umbracoObjectType = GetUdiType(objType);
+                }
+            }
+            return umbracoObjectType;
+        }
+
         /// <summary>
         /// Extension method for the UmbracoObjectTypes enum to return the enum GUID
         /// </summary>
@@ -68,6 +84,26 @@ namespace Umbraco.Core.Models
                 });
         }
 
+        public static string GetUdiType(this UmbracoObjectTypes umbracoObjectType)
+        {
+            return UmbracoObjectTypeUdiCache.GetOrAdd(umbracoObjectType, types =>
+            {
+                var type = typeof(UmbracoObjectTypes);
+                var memInfo = type.GetMember(umbracoObjectType.ToString());
+                var attributes = memInfo[0].GetCustomAttributes(typeof(UmbracoUdiTypeAttribute),
+                    false);
+
+                if (attributes.Length == 0)
+                    return Constants.UdiEntityType.Unknown;
+
+                var attribute = ((UmbracoUdiTypeAttribute)attributes[0]);
+                if (attribute == null)
+                    return Constants.UdiEntityType.Unknown;
+
+                return attribute.UdiType;
+            });
+        }
+
         /// <summary>
         /// Extension method for the UmbracoObjectTypes enum to return the enum name
         /// </summary>

src/Umbraco.Core/Persistence/Factories/UmbracoEntityFactory.cs

@@ -50,7 +50,7 @@ namespace Umbraco.Core.Persistence.Factories
                 entity.ContentTypeThumbnail = asDictionary.ContainsKey("thumbnail") ? (d.thumbnail ?? string.Empty) : string.Empty;
 
                 var publishedVersion = default(Guid);
-                //some content items don't have a published version
+                //some content items don't have a published/newest version
                 if (asDictionary.ContainsKey("publishedVersion") && asDictionary["publishedVersion"] != null)
                 {
                     Guid.TryParse(d.publishedVersion.ToString(), out publishedVersion);

src/Umbraco.Core/Persistence/Migrations/Initial/BaseDataCreation.cs

@@ -130,21 +130,21 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
             _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = Constants.System.DefaultMembersListViewDataTypeId, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,-97", SortOrder = 2, UniqueId = new Guid("AA2C52A0-CE87-4E65-A47C-7DF09358585D"), Text = Constants.Conventions.DataTypes.ListViewPrefix + "Members", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });                                    
             _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1031, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1031", SortOrder = 2, UniqueId = new Guid("f38bd2d7-65d0-48e6-95dc-87ce06ec2d3d"), Text = Constants.Conventions.MediaTypes.Folder, NodeObjectType = new Guid(Constants.ObjectTypes.MediaType), CreateDate = DateTime.Now });
             _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1032, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1032", SortOrder = 2, UniqueId = new Guid("cc07b313-0843-4aa8-bbda-871c8da728c8"), Text = Constants.Conventions.MediaTypes.Image, NodeObjectType = new Guid(Constants.ObjectTypes.MediaType), CreateDate = DateTime.Now });
-            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1033, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1033", SortOrder = 2, UniqueId = new Guid("4c52d8ab-54e6-40cd-999c-7a5f24903e4d"), Text = Constants.Conventions.MediaTypes.File, NodeObjectType = new Guid(Constants.ObjectTypes.MediaType), CreateDate = DateTime.Now });
-            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1034, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1034", SortOrder = 2, UniqueId = new Guid("a6857c73-d6e9-480c-b6e6-f15f6ad11125"), Text = "Content Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
-            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1035, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1035", SortOrder = 2, UniqueId = new Guid("93929b9a-93a2-4e2a-b239-d99334440a59"), Text = "Media Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
-            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1036, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1036", SortOrder = 2, UniqueId = new Guid("2b24165f-9782-4aa3-b459-1de4a4d21f60"), Text = "Member Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });            
+            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1033, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1033", SortOrder = 2, UniqueId = new Guid("4c52d8ab-54e6-40cd-999c-7a5f24903e4d"), Text = Constants.Conventions.MediaTypes.File, NodeObjectType = new Guid(Constants.ObjectTypes.MediaType), CreateDate = DateTime.Now });            
             _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1040, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1040", SortOrder = 2, UniqueId = new Guid("21e798da-e06e-4eda-a511-ed257f78d4fa"), Text = "Related Links", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
             _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1041, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1041", SortOrder = 2, UniqueId = new Guid("b6b73142-b9c1-4bf8-a16d-e1c23320b549"), Text = "Tags", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
             _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1043, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1043", SortOrder = 2, UniqueId = new Guid("1df9f033-e6d4-451f-b8d2-e0cbc50a836f"), Text = "Image Cropper", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
             _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1044, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1044", SortOrder = 0, UniqueId = new Guid("d59be02f-1df9-4228-aa1e-01917d806cda"), Text = Constants.Conventions.MemberTypes.DefaultAlias, NodeObjectType = new Guid(Constants.ObjectTypes.MemberType), CreateDate = DateTime.Now });
-            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1045, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1045", SortOrder = 2, UniqueId = new Guid("7E3962CC-CE20-4FFC-B661-5897A894BA7E"), Text = "Multiple Media Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
 
+            //New UDI pickers with newer Ids
+            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1046, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1046", SortOrder = 2, UniqueId = new Guid("FD1E0DA5-5606-4862-B679-5D0CF3A52A59"), Text = "Content Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
+            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1047, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1047", SortOrder = 2, UniqueId = new Guid("1EA2E01F-EBD8-4CE1-8D71-6B1149E63548"), Text = "Member Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
+            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1048, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1048", SortOrder = 2, UniqueId = new Guid("135D60E0-64D9-49ED-AB08-893C9BA44AE5"), Text = "Media Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
+            _database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1049, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1049", SortOrder = 2, UniqueId = new Guid("9DBBCBBB-2327-434A-B355-AF1B84E5010A"), Text = "Multiple Media Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
 
             //TODO: We're not creating these for 7.0
             //_database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1039, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1039", SortOrder = 2, UniqueId = new Guid("06f349a9-c949-4b6a-8660-59c10451af42"), Text = "Ultimate Picker", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
             //_database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1038, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1038", SortOrder = 2, UniqueId = new Guid("1251c96c-185c-4e9b-93f4-b48205573cbd"), Text = "Simple Editor", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });
-
             //_database.Insert("umbracoNode", "id", false, new NodeDto { NodeId = 1042, Trashed = false, ParentId = -1, UserId = 0, Level = 1, Path = "-1,1042", SortOrder = 2, UniqueId = new Guid("0a452bd5-83f9-4bc3-8403-1286e13fb77e"), Text = "Macro Container", NodeObjectType = new Guid(Constants.ObjectTypes.DataType), CreateDate = DateTime.Now });            
         }
 
@@ -246,17 +246,19 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 12, DataTypeId = -40, PropertyEditorAlias = Constants.PropertyEditors.RadioButtonListAlias, DbType = "Nvarchar" });
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 13, DataTypeId = -41, PropertyEditorAlias = Constants.PropertyEditors.DateAlias, DbType = "Date" });
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 14, DataTypeId = -42, PropertyEditorAlias = Constants.PropertyEditors.DropDownListAlias, DbType = "Integer" });
-            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 15, DataTypeId = -43, PropertyEditorAlias = Constants.PropertyEditors.CheckBoxListAlias, DbType = "Nvarchar" });
-            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 16, DataTypeId = 1034, PropertyEditorAlias = Constants.PropertyEditors.ContentPickerAlias, DbType = "Integer" });
-            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 18, DataTypeId = 1036, PropertyEditorAlias = Constants.PropertyEditors.MemberPickerAlias, DbType = "Integer" });                        
-            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 17, DataTypeId = 1035, PropertyEditorAlias = Constants.PropertyEditors.MultipleMediaPickerAlias, DbType = "Nvarchar" });
+            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 15, DataTypeId = -43, PropertyEditorAlias = Constants.PropertyEditors.CheckBoxListAlias, DbType = "Nvarchar" });            
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 21, DataTypeId = 1040, PropertyEditorAlias = Constants.PropertyEditors.RelatedLinksAlias, DbType = "Ntext" });
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 22, DataTypeId = 1041, PropertyEditorAlias = Constants.PropertyEditors.TagsAlias, DbType = "Ntext" });
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 24, DataTypeId = 1043, PropertyEditorAlias = Constants.PropertyEditors.ImageCropperAlias, DbType = "Ntext" });
-            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 25, DataTypeId = 1045, PropertyEditorAlias = Constants.PropertyEditors.MultipleMediaPickerAlias, DbType = "Nvarchar" });
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = -26, DataTypeId = Constants.System.DefaultContentListViewDataTypeId, PropertyEditorAlias = Constants.PropertyEditors.ListViewAlias, DbType = "Nvarchar" });
             _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = -27, DataTypeId = Constants.System.DefaultMediaListViewDataTypeId, PropertyEditorAlias = Constants.PropertyEditors.ListViewAlias, DbType = "Nvarchar" });
-            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = -28, DataTypeId = Constants.System.DefaultMembersListViewDataTypeId, PropertyEditorAlias = Constants.PropertyEditors.ListViewAlias, DbType = "Nvarchar" });            
+            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = -28, DataTypeId = Constants.System.DefaultMembersListViewDataTypeId, PropertyEditorAlias = Constants.PropertyEditors.ListViewAlias, DbType = "Nvarchar" });
+
+            //New UDI pickers with newer Ids
+            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 26, DataTypeId = 1046, PropertyEditorAlias = Constants.PropertyEditors.ContentPicker2Alias, DbType = "Nvarchar" });
+            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 27, DataTypeId = 1047, PropertyEditorAlias = Constants.PropertyEditors.MemberPicker2Alias, DbType = "Nvarchar" });
+            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 28, DataTypeId = 1048, PropertyEditorAlias = Constants.PropertyEditors.MediaPicker2Alias, DbType = "Ntext" });
+            _database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 29, DataTypeId = 1049, PropertyEditorAlias = Constants.PropertyEditors.MediaPicker2Alias, DbType = "Ntext" });
 
             //TODO: We're not creating these for 7.0
             //_database.Insert("cmsDataType", "pk", false, new DataTypeDto { PrimaryKey = 19, DataTypeId = 1038, PropertyEditorAlias = Constants.PropertyEditors.MarkdownEditorAlias, DbType = "Ntext" });            
@@ -268,10 +270,7 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
         {
             _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = 3, Alias = "", SortOrder = 0, DataTypeNodeId = -87, Value = ",code,undo,redo,cut,copy,mcepasteword,stylepicker,bold,italic,bullist,numlist,outdent,indent,mcelink,unlink,mceinsertanchor,mceimage,umbracomacro,mceinserttable,umbracoembed,mcecharmap,|1|1,2,3,|0|500,400|1049,|true|" });
             _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = 4, Alias = "group", SortOrder = 0, DataTypeNodeId = 1041, Value = "default" });
-
-            //default's for MultipleMediaPickerAlias picker
-            _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = 5, Alias = "multiPicker", SortOrder = 0, DataTypeNodeId = 1045, Value = "1" });
-
+            
             //defaults for the member list
             _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = -1, Alias = "pageSize", SortOrder = 1, DataTypeNodeId = Constants.System.DefaultMembersListViewDataTypeId, Value = "10" });
             _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = -2, Alias = "orderBy", SortOrder = 2, DataTypeNodeId = Constants.System.DefaultMembersListViewDataTypeId, Value = "username" });
@@ -288,6 +287,9 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
             _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = -7, Alias = "orderDirection", SortOrder = 3, DataTypeNodeId = Constants.System.DefaultMediaListViewDataTypeId, Value = "desc" });
             _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = -8, Alias = "layouts", SortOrder = 4, DataTypeNodeId = Constants.System.DefaultMediaListViewDataTypeId, Value = "[" + cardLayout + "," + listLayout + "]" });
             _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = -9, Alias = "includeProperties", SortOrder = 5, DataTypeNodeId = Constants.System.DefaultMediaListViewDataTypeId, Value = "[{\"alias\":\"updateDate\",\"header\":\"Last edited\",\"isSystem\":1},{\"alias\":\"owner\",\"header\":\"Updated by\",\"isSystem\":1}]" });
+
+            //default's for MultipleMediaPickerAlias picker
+            _database.Insert("cmsDataTypePreValues", "id", false, new DataTypePreValueDto { Id = 6, Alias = "multiPicker", SortOrder = 0, DataTypeNodeId = 1049, Value = "1" });
         }
 
         private void CreateUmbracoRelationTypeData()

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenSixZero/AddIndexToCmsMemberLoginName.cs

@@ -14,14 +14,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenSixZero
 
         public override void Up()
         {
-            var dbIndexes = SqlSyntax.GetDefinedIndexes(Context.Database)
-                .Select(x => new DbIndexDefinition()
-                {
-                    TableName = x.Item1,
-                    IndexName = x.Item2,
-                    ColumnName = x.Item3,
-                    IsUnique = x.Item4
-                }).ToArray();
+            var dbIndexes = SqlSyntax.GetDefinedIndexesDefinitions(Context.Database);
 
             //make sure it doesn't already exist
             if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_cmsMember_LoginName")) == false)

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenSixZero/AddIndexToUser2NodePermission.cs

@@ -0,0 +1,34 @@
+using System.Linq;
+using Umbraco.Core.Logging;
+using Umbraco.Core.Persistence.SqlSyntax;
+
+namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenSixZero
+{
+    [Migration("7.6.0", 0, Constants.System.UmbracoMigrationName)]
+    public class AddIndexToUser2NodePermission : MigrationBase
+    {
+        public AddIndexToUser2NodePermission(ISqlSyntaxProvider sqlSyntax, ILogger logger)
+            : base(sqlSyntax, logger)
+        { }
+
+        public override void Up()
+        {
+            var dbIndexes = SqlSyntax.GetDefinedIndexesDefinitions(Context.Database);
+
+            //make sure it doesn't already exist
+            if (dbIndexes.Any(x => x.IndexName.InvariantEquals("IX_umbracoUser2NodePermission_nodeId")) == false)
+            {
+                Create.Index("IX_umbracoUser2NodePermission_nodeId").OnTable("umbracoUser2NodePermission")
+                    .OnColumn("nodeId")
+                    .Ascending()
+                    .WithOptions()
+                    .NonClustered();
+            }
+        }
+
+        public override void Down()
+        {
+            Delete.Index("IX_umbracoUser2NodePermission_nodeId").OnTable("cmsMember");
+        }
+    }
+}

src/Umbraco.Core/Persistence/PetaPoco.cs

@@ -703,7 +703,7 @@ namespace Umbraco.Core.Persistence
 
 		static Regex rxColumns = new Regex(@"\A\s*SELECT\s+((?:\((?>\((?<depth>)|\)(?<-depth>)|.?)*(?(depth)(?!))\)|.)*?)(?<!,\s+)\bFROM\b", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.Compiled);
 		static Regex rxOrderBy = new Regex(@"\bORDER\s+BY\s+(?:\((?>\((?<depth>)|\)(?<-depth>)|.?)*(?(depth)(?!))\)|[\w\(\)\.])+(?:\s+(?:ASC|DESC))?(?:\s*,\s*(?:\((?>\((?<depth>)|\)(?<-depth>)|.?)*(?(depth)(?!))\)|[\w\(\)\.])+(?:\s+(?:ASC|DESC))?)*", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.Compiled);
-		static Regex rxDistinct = new Regex(@"\ADISTINCT\s", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.Compiled);
+        static Regex rxDistinct = new Regex(@"\ADISTINCT\s", RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Singleline | RegexOptions.Compiled);
 		public static bool SplitSqlForPaging(string sql, out string sqlCount, out string sqlSelectRemoved, out string sqlOrderBy)
 		{
 			sqlSelectRemoved = null;
@@ -723,10 +723,9 @@ namespace Umbraco.Core.Persistence
 				sqlCount = sql.Substring(0, g.Index) + "COUNT(" + m.Groups[1].ToString().Trim() + ") " + sql.Substring(g.Index + g.Length);
 			else
 				sqlCount = sql.Substring(0, g.Index) + "COUNT(*) " + sql.Substring(g.Index + g.Length);
-
-
-			// Look for an "ORDER BY <whatever>" clause
-			m = rxOrderBy.Match(sqlCount);
+            
+		    // Look for an "ORDER BY <whatever>" clause
+            m = rxOrderBy.Match(sqlCount);
 			if (!m.Success)
 			{
 				sqlOrderBy = null;
@@ -737,8 +736,7 @@ namespace Umbraco.Core.Persistence
 				sqlOrderBy = g.ToString();
 				sqlCount = sqlCount.Substring(0, g.Index) + sqlCount.Substring(g.Index + g.Length);
 			}
-
-			return true;
+            return true;
 		}
 
 	    /// <summary>
@@ -820,7 +818,7 @@ namespace Umbraco.Core.Persistence
 			result.CurrentPage = page;
 			result.ItemsPerPage = itemsPerPage;
 			result.TotalItems = ExecuteScalar<long>(sqlCount, args);
-			result.TotalPages = result.TotalItems / itemsPerPage;
+		    result.TotalPages = result.TotalItems / itemsPerPage;
 			if ((result.TotalItems % itemsPerPage) != 0)
 				result.TotalPages++;
 

src/Umbraco.Core/Persistence/Repositories/ContentRepository.cs

@@ -785,13 +785,8 @@ order by umbracoNode.{2}, umbracoNode.parentID, umbracoNode.sortOrder",
 
         public void ClearPublished(IContent content)
         {
-            // race cond!
-            var documentDtos = Database.Fetch<DocumentDto>("WHERE nodeId=@id AND published=@published", new { id = content.Id, published = true });
-            foreach (var documentDto in documentDtos)
-            {
-                documentDto.Published = false;
-                Database.Update(documentDto);
-            }
+            var sql = "UPDATE cmsDocument SET published=0 WHERE nodeId=@id AND published=1";
+            Database.Execute(sql, new {id = content.Id});
         }
 
         /// <summary>

src/Umbraco.Core/Persistence/Repositories/EntityRepository.cs

@@ -9,6 +9,7 @@ using Umbraco.Core.Models;
 using Umbraco.Core;
 using Umbraco.Core.Models.EntityBase;
 using Umbraco.Core.Models.Rdbms;
+using Umbraco.Core.Persistence.DatabaseModelDefinitions;
 using Umbraco.Core.Persistence.Factories;
 using Umbraco.Core.Persistence.Querying;
 using Umbraco.Core.Persistence.UnitOfWork;
@@ -49,6 +50,124 @@ namespace Umbraco.Core.Persistence.Repositories
 
         #region Query Methods
 
+        public IEnumerable<IUmbracoEntity> GetPagedResultsByQuery(IQuery<IUmbracoEntity> query, Guid objectTypeId, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy, Direction orderDirection, IQuery<IUmbracoEntity> filter = null)
+        {   
+            bool isContent = objectTypeId == new Guid(Constants.ObjectTypes.Document);
+            bool isMedia = objectTypeId == new Guid(Constants.ObjectTypes.Media);
+            var factory = new UmbracoEntityFactory();
+            
+            var sqlClause = GetBaseWhere(GetBase, isContent, isMedia, sql =>
+            {
+                if (filter != null)
+                {
+                    foreach (var filterClaus in filter.GetWhereClauses())
+                    {
+                        sql.Where(filterClaus.Item1, filterClaus.Item2);
+                    }
+                }
+            }, objectTypeId);
+            var translator = new SqlTranslator<IUmbracoEntity>(sqlClause, query);
+            var entitySql = translator.Translate();
+            var pagedSql = entitySql.Append(GetGroupBy(isContent, isMedia, false)).OrderBy("umbracoNode.id");
+
+            IEnumerable<IUmbracoEntity> result;
+
+            if (isMedia)
+            {
+                //Treat media differently for now, as an Entity it will be returned with ALL of it's properties in the AdditionalData bag!
+                var pagedResult = _work.Database.Page<dynamic>(pageIndex + 1, pageSize, pagedSql);
+                
+                var ids = pagedResult.Items.Select(x => (int) x.id).InGroupsOf(2000);
+                var entities = pagedResult.Items.Select(factory.BuildEntityFromDynamic).Cast<IUmbracoEntity>().ToList();
+
+                //Now we need to merge in the property data since we need paging and we can't do this the way that the big media query was working before
+                foreach (var idGroup in ids)
+                {
+                    var propSql = GetPropertySql(Constants.ObjectTypes.Media)
+                        .Where("contentNodeId IN (@ids)", new {ids = idGroup})
+                        .OrderBy("contentNodeId");
+
+                    //This does NOT fetch all data into memory in a list, this will read
+                    // over the records as a data reader, this is much better for performance and memory,
+                    // but it means that during the reading of this data set, nothing else can be read
+                    // from SQL server otherwise we'll get an exception.
+                    var allPropertyData = _work.Database.Query<dynamic>(propSql);
+
+                    //keep track of the current property data item being enumerated
+                    var propertyDataSetEnumerator = allPropertyData.GetEnumerator();
+                    var hasCurrent = false; // initially there is no enumerator.Current
+
+                    try
+                    {
+                        //This must be sorted by node id (which is done by SQL) because this is how we are sorting the query to lookup property types above,
+                        // which allows us to more efficiently iterate over the large data set of property values.
+                        foreach (var entity in entities)
+                        {
+                            // assemble the dtos for this def
+                            // use the available enumerator.Current if any else move to next
+                            while (hasCurrent || propertyDataSetEnumerator.MoveNext())
+                            {
+                                if (propertyDataSetEnumerator.Current.contentNodeId == entity.Id)
+                                {
+                                    hasCurrent = false; // enumerator.Current is not available
+
+                                    //the property data goes into the additional data
+                                    entity.AdditionalData[propertyDataSetEnumerator.Current.propertyTypeAlias] = new UmbracoEntity.EntityProperty
+                                    {
+                                        PropertyEditorAlias = propertyDataSetEnumerator.Current.propertyEditorAlias,
+                                        Value = StringExtensions.IsNullOrWhiteSpace(propertyDataSetEnumerator.Current.dataNtext)
+                                            ? propertyDataSetEnumerator.Current.dataNvarchar
+                                            : StringExtensions.ConvertToJsonIfPossible(propertyDataSetEnumerator.Current.dataNtext)
+                                    };
+                                }
+                                else
+                                {
+                                    hasCurrent = true; // enumerator.Current is available for another def
+                                    break; // no more propertyDataDto for this def
+                                }
+                            }
+                        }
+                    }
+                    finally
+                    {
+                        propertyDataSetEnumerator.Dispose();
+                    }
+                }
+                
+                result = entities;
+            }
+            else
+            {   
+                var pagedResult = _work.Database.Page<dynamic>(pageIndex + 1, pageSize, pagedSql);
+                result = pagedResult.Items.Select(factory.BuildEntityFromDynamic).Cast<IUmbracoEntity>().ToList();
+            }
+
+            //The total items from the PetaPoco page query will be wrong due to the Outer join used on parent, depending on the search this will 
+            //return duplicate results when the COUNT is used in conjuction with it, so we need to get the total on our own.
+
+            //generate a query that does not contain the LEFT Join for parent, this would cause
+            //the COUNT(*) query to return the wrong 
+            var sqlCountClause = GetBaseWhere(
+                (isC, isM, f) => GetBase(isC, isM, f, true), //true == is a count query
+                isContent, isMedia, sql =>
+                {
+                    if (filter != null)
+                    {
+                        foreach (var filterClaus in filter.GetWhereClauses())
+                        {
+                            sql.Where(filterClaus.Item1, filterClaus.Item2);
+                        }
+                    }
+                }, objectTypeId);
+            var translatorCount = new SqlTranslator<IUmbracoEntity>(sqlCountClause, query);
+            var countSql = translatorCount.Translate();
+
+            totalRecords = _work.Database.ExecuteScalar<int>(countSql);
+
+            return result;
+        }
+
         public IUmbracoEntity GetByKey(Guid key)
         {
             var sql = GetBaseWhere(GetBase, false, false, key);
@@ -71,8 +190,7 @@ namespace Umbraco.Core.Persistence.Repositories
             
             if (isMedia)
             {
-                //for now treat media differently
-                //TODO: We should really use this methodology for Content/Members too!! since it includes properties and ALL of the dynamic db fields
+                //Treat media differently for now, as an Entity it will be returned with ALL of it's properties in the AdditionalData bag!
                 var entities = _work.Database.Fetch<dynamic, UmbracoPropertyDto, UmbracoEntity>(
                     new UmbracoEntityRelator().Map, sql);
 
@@ -115,8 +233,7 @@ namespace Umbraco.Core.Persistence.Repositories
             
             if (isMedia)
             {
-                //for now treat media differently
-                //TODO: We should really use this methodology for Content/Members too!! since it includes properties and ALL of the dynamic db fields
+                //Treat media differently for now, as an Entity it will be returned with ALL of it's properties in the AdditionalData bag!
                 var entities = _work.Database.Fetch<dynamic, UmbracoPropertyDto, UmbracoEntity>(
                     new UmbracoEntityRelator().Map, sql);
 
@@ -171,8 +288,7 @@ namespace Umbraco.Core.Persistence.Repositories
 
             if (isMedia)
             {
-                //for now treat media differently
-                //TODO: We should really use this methodology for Content/Members too!! since it includes properties and ALL of the dynamic db fields
+                //Treat media differently for now, as an Entity it will be returned with ALL of it's properties in the AdditionalData bag!
                 var entities = _work.Database.Fetch<dynamic, UmbracoPropertyDto, UmbracoEntity>(
                     new UmbracoEntityRelator().Map, sql);
                 foreach (var entity in entities)
@@ -231,8 +347,7 @@ namespace Umbraco.Core.Persistence.Repositories
                     }
                 });
 
-                //treat media differently for now 
-                //TODO: We should really use this methodology for Content/Members too!! since it includes properties and ALL of the dynamic db fields
+                //Treat media differently for now, as an Entity it will be returned with ALL of it's properties in the AdditionalData bag!
                 var entities = _work.Database.Fetch<dynamic, UmbracoPropertyDto, UmbracoEntity>(
                     new UmbracoEntityRelator().Map, mediaSql);
                 return entities;
@@ -278,11 +393,9 @@ namespace Umbraco.Core.Persistence.Repositories
             return GetFullSqlForMedia(entitySql.Append(GetGroupBy(isContent, true, false)), filter);
         }
 
-        private Sql GetFullSqlForMedia(Sql entitySql, Action<Sql> filter = null)
+        private Sql GetPropertySql(string nodeObjectType)
         {
-            //this will add any dataNvarchar property to the output which can be added to the additional properties
-
-            var joinSql = new Sql()
+            var sql = new Sql()
                 .Select("contentNodeId, versionId, dataNvarchar, dataNtext, propertyEditorAlias, alias as propertyTypeAlias")
                 .From<PropertyDataDto>()
                 .InnerJoin<NodeDto>()
@@ -291,7 +404,16 @@ namespace Umbraco.Core.Persistence.Repositories
                 .On<PropertyTypeDto, PropertyDataDto>(dto => dto.Id, dto => dto.PropertyTypeId)
                 .InnerJoin<DataTypeDto>()
                 .On<PropertyTypeDto, DataTypeDto>(dto => dto.DataTypeId, dto => dto.DataTypeId)
-                .Where("umbracoNode.nodeObjectType = @nodeObjectType", new {nodeObjectType = Constants.ObjectTypes.Media});
+                .Where("umbracoNode.nodeObjectType = @nodeObjectType", new { nodeObjectType = nodeObjectType });
+
+            return sql;
+        }
+
+        private Sql GetFullSqlForMedia(Sql entitySql, Action<Sql> filter = null)
+        {
+            //this will add any dataNvarchar property to the output which can be added to the additional properties
+
+            var joinSql = GetPropertySql(Constants.ObjectTypes.Media);
 
             if (filter != null)
             {
@@ -310,34 +432,52 @@ namespace Umbraco.Core.Persistence.Repositories
                 .OrderBy("sortOrder, id");
 
             return wrappedSql;
-        }        
+        }
 
         protected virtual Sql GetBase(bool isContent, bool isMedia, Action<Sql> customFilter)
         {
-            var columns = new List<object>
-                              {
-                                  "umbracoNode.id",
-                                  "umbracoNode.trashed",
-                                  "umbracoNode.parentID",
-                                  "umbracoNode.nodeUser",
-                                  "umbracoNode.level",
-                                  "umbracoNode.path",
-                                  "umbracoNode.sortOrder",
-                                  "umbracoNode.uniqueID",
-                                  "umbracoNode.text",
-                                  "umbracoNode.nodeObjectType",
-                                  "umbracoNode.createDate",
-                                  "COUNT(parent.parentID) as children"
-                              };
+            return GetBase(isContent, isMedia, customFilter, false);
+        }
 
-            if (isContent || isMedia)
+        protected virtual Sql GetBase(bool isContent, bool isMedia, Action<Sql> customFilter, bool isCount)
+        {
+            var columns = new List<object>();
+            if (isCount)
             {
-                columns.Add("published.versionId as publishedVersion");
-                columns.Add("latest.versionId as newestVersion");
-                columns.Add("contenttype.alias");
-                columns.Add("contenttype.icon");
-                columns.Add("contenttype.thumbnail");
-                columns.Add("contenttype.isContainer");
+                columns.Add("COUNT(*)");
+            }
+            else
+            {
+                columns.AddRange(new List<object>
+                {
+                    "umbracoNode.id",
+                    "umbracoNode.trashed",
+                    "umbracoNode.parentID",
+                    "umbracoNode.nodeUser",
+                    "umbracoNode.level",
+                    "umbracoNode.path",
+                    "umbracoNode.sortOrder",
+                    "umbracoNode.uniqueID",
+                    "umbracoNode.text",
+                    "umbracoNode.nodeObjectType",
+                    "umbracoNode.createDate",
+                    "COUNT(parent.parentID) as children"
+                });
+
+                if (isContent || isMedia)
+                {
+                    if (isContent)
+                    {
+                        //only content has this info
+                        columns.Add("published.versionId as publishedVersion");
+                        columns.Add("document.versionId as newestVersion");
+                    }
+
+                    columns.Add("contenttype.alias");
+                    columns.Add("contenttype.icon");
+                    columns.Add("contenttype.thumbnail");
+                    columns.Add("contenttype.isContainer");
+                }
             }
 
             //Creates an SQL query to return a single row for the entity
@@ -348,17 +488,24 @@ namespace Umbraco.Core.Persistence.Repositories
                 
             if (isContent || isMedia)
             {
-                entitySql.InnerJoin("cmsContent content").On("content.nodeId = umbracoNode.id")
-                   .LeftJoin("cmsContentType contenttype").On("contenttype.nodeId = content.contentType")
-                   .LeftJoin(
-                       "(SELECT nodeId, versionId FROM cmsDocument WHERE published = 1 GROUP BY nodeId, versionId) as published")
-                   .On("umbracoNode.id = published.nodeId")
-                   .LeftJoin(
-                       "(SELECT nodeId, versionId FROM cmsDocument WHERE newest = 1 GROUP BY nodeId, versionId) as latest")
-                   .On("umbracoNode.id = latest.nodeId");
+                entitySql.InnerJoin("cmsContent content").On("content.nodeId = umbracoNode.id");
+
+                if (isContent)
+                {
+                    //only content has this info
+                    entitySql
+                        .InnerJoin("cmsDocument document").On("document.nodeId = umbracoNode.id")
+                        .LeftJoin("(SELECT nodeId, versionId FROM cmsDocument WHERE published = 1) as published")
+                        .On("umbracoNode.id = published.nodeId");
+                }
+
+                entitySql.LeftJoin("cmsContentType contenttype").On("contenttype.nodeId = content.contentType");
             }
 
-            entitySql.LeftJoin("umbracoNode parent").On("parent.parentID = umbracoNode.id");
+            if (isCount == false)
+            {
+                entitySql.LeftJoin("umbracoNode parent").On("parent.parentID = umbracoNode.id");
+            }
 
             if (customFilter != null)
             {
@@ -372,22 +519,42 @@ namespace Umbraco.Core.Persistence.Repositories
         {
             var sql = baseQuery(isContent, isMedia, filter)
                 .Where("umbracoNode.nodeObjectType = @NodeObjectType", new { NodeObjectType = nodeObjectType });
+
+            if (isContent)
+            {
+                sql.Where("document.newest = 1");
+            }
+
             return sql;
         }
 
         protected virtual Sql GetBaseWhere(Func<bool, bool, Action<Sql>, Sql> baseQuery, bool isContent, bool isMedia, int id)
         {
             var sql = baseQuery(isContent, isMedia, null)
-                .Where("umbracoNode.id = @Id", new { Id = id })
-                .Append(GetGroupBy(isContent, isMedia));
+                .Where("umbracoNode.id = @Id", new { Id = id });
+
+            if (isContent)
+            {
+                sql.Where("document.newest = 1");
+            }
+
+            sql.Append(GetGroupBy(isContent, isMedia));
+
             return sql;
         }
 
         protected virtual Sql GetBaseWhere(Func<bool, bool, Action<Sql>, Sql> baseQuery, bool isContent, bool isMedia, Guid key)
         {
             var sql = baseQuery(isContent, isMedia, null)
-                .Where("umbracoNode.uniqueID = @UniqueID", new { UniqueID = key })
-                .Append(GetGroupBy(isContent, isMedia));
+                .Where("umbracoNode.uniqueID = @UniqueID", new { UniqueID = key });
+
+            if (isContent)
+            {
+                sql.Where("document.newest = 1");
+            }
+
+            sql.Append(GetGroupBy(isContent, isMedia));
+
             return sql;
         }
 
@@ -396,6 +563,12 @@ namespace Umbraco.Core.Persistence.Repositories
             var sql = baseQuery(isContent, isMedia, null)
                 .Where("umbracoNode.id = @Id AND umbracoNode.nodeObjectType = @NodeObjectType",
                        new {Id = id, NodeObjectType = nodeObjectType});
+
+            if (isContent)
+            {
+                sql.Where("document.newest = 1");
+            }
+
             return sql;
         }
 
@@ -404,30 +577,39 @@ namespace Umbraco.Core.Persistence.Repositories
             var sql = baseQuery(isContent, isMedia, null)
                 .Where("umbracoNode.uniqueID = @UniqueID AND umbracoNode.nodeObjectType = @NodeObjectType",
                        new { UniqueID = key, NodeObjectType = nodeObjectType });
+
+            if (isContent)
+            {
+                sql.Where("document.newest = 1");
+            }
+
             return sql;
         }
 
         protected virtual Sql GetGroupBy(bool isContent, bool isMedia, bool includeSort = true)
         {
             var columns = new List<object>
-                              {
-                                  "umbracoNode.id",
-                                  "umbracoNode.trashed",
-                                  "umbracoNode.parentID",
-                                  "umbracoNode.nodeUser",
-                                  "umbracoNode.level",
-                                  "umbracoNode.path",
-                                  "umbracoNode.sortOrder",
-                                  "umbracoNode.uniqueID",
-                                  "umbracoNode.text",
-                                  "umbracoNode.nodeObjectType",
-                                  "umbracoNode.createDate"
-                              };
+            {
+                "umbracoNode.id",
+                "umbracoNode.trashed",
+                "umbracoNode.parentID",
+                "umbracoNode.nodeUser",
+                "umbracoNode.level",
+                "umbracoNode.path",
+                "umbracoNode.sortOrder",
+                "umbracoNode.uniqueID",
+                "umbracoNode.text",
+                "umbracoNode.nodeObjectType",
+                "umbracoNode.createDate"
+            };
 
             if (isContent || isMedia)
             {
-                columns.Add("published.versionId");
-                columns.Add("latest.versionId");
+                if (isContent)
+                {
+                    columns.Add("published.versionId");
+                    columns.Add("document.versionId");
+                }
                 columns.Add("contenttype.alias");
                 columns.Add("contenttype.icon");
                 columns.Add("contenttype.thumbnail");

src/Umbraco.Core/Persistence/Repositories/Interfaces/IEntityRepository.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.DatabaseModelDefinitions;
 using Umbraco.Core.Persistence.Querying;
 
 namespace Umbraco.Core.Persistence.Repositories
@@ -16,6 +17,21 @@ namespace Umbraco.Core.Persistence.Repositories
         IEnumerable<IUmbracoEntity> GetByQuery(IQuery<IUmbracoEntity> query);
         IEnumerable<IUmbracoEntity> GetByQuery(IQuery<IUmbracoEntity> query, Guid objectTypeId);
 
+        /// <summary>
+        /// Gets paged results
+        /// </summary>
+        /// <param name="query">Query to excute</param>
+        /// <param name="objectTypeId"></param>
+        /// <param name="pageIndex">Page number</param>
+        /// <param name="pageSize">Page size</param>
+        /// <param name="totalRecords">Total records query would return without paging</param>
+        /// <param name="orderBy">Field to order by</param>
+        /// <param name="orderDirection">Direction to order by</param>
+        /// <param name="filter"></param>
+        /// <returns>An Enumerable list of <see cref="IUmbracoEntity"/> objects</returns>
+        IEnumerable<IUmbracoEntity> GetPagedResultsByQuery(IQuery<IUmbracoEntity> query, Guid objectTypeId, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy, Direction orderDirection, IQuery<IUmbracoEntity> filter = null);
+
         /// <summary>
         /// Returns true if the entity exists
         /// </summary>

src/Umbraco.Core/Persistence/Repositories/RecycleBinRepository.cs

@@ -63,6 +63,7 @@ namespace Umbraco.Core.Persistence.Repositories
                 FormatDeleteStatement("cmsContentVersion", "ContentId"),
                 FormatDeleteStatement("cmsContentXml", "nodeId"),
                 FormatDeleteStatement("cmsContent", "nodeId"),
+                //TODO: Why is this being done? We just delete this exact data in the next line
                 "UPDATE umbracoNode SET parentID = '" + RecycleBinId + "' WHERE trashed = '1' AND nodeObjectType = @NodeObjectType",
                 "DELETE FROM umbracoNode WHERE trashed = '1' AND nodeObjectType = @NodeObjectType"
             };
@@ -91,14 +92,18 @@ namespace Umbraco.Core.Persistence.Repositories
             }
         }
 
+        /// <summary>
+        /// A delete statement that will delete anything in the table specified where its PK (keyName) is found in the
+        /// list of umbracoNode.id that have trashed flag set
+        /// </summary>
+        /// <param name="tableName"></param>
+        /// <param name="keyName"></param>
+        /// <returns></returns>
         private string FormatDeleteStatement(string tableName, string keyName)
         {
-            //This query works with sql ce and sql server:
-            //DELETE FROM umbracoUser2NodeNotify WHERE umbracoUser2NodeNotify.nodeId IN 
-            //(SELECT nodeId FROM umbracoUser2NodeNotify as TB1 INNER JOIN umbracoNode as TB2 ON TB1.nodeId = TB2.id WHERE TB2.trashed = '1' AND TB2.nodeObjectType = 'C66BA18E-EAF3-4CFF-8A22-41B16D66A972')
             return
                 string.Format(
-                    "DELETE FROM {0} WHERE {0}.{1} IN (SELECT TB1.{1} FROM {0} as TB1 INNER JOIN umbracoNode as TB2 ON TB1.{1} = TB2.id WHERE TB2.trashed = '1' AND TB2.nodeObjectType = @NodeObjectType)",
+                    "DELETE FROM {0} WHERE {0}.{1} IN (SELECT id FROM umbracoNode WHERE trashed = '1' AND nodeObjectType = @NodeObjectType)",
                     tableName, keyName);
         }
 

src/Umbraco.Core/Persistence/Repositories/RelationRepository.cs

@@ -73,12 +73,16 @@ namespace Umbraco.Core.Persistence.Repositories
             RelationFactory factory = null;
             var relationTypeId = -1;
 
+            // the ToList() here is important because we are using _relationTypeRepository and we
+            // cannot wait until the result is actually enumerated to do so, because that would
+            // mean we kinda capture the current unit of work and reuse it after it's been disposed
+
             return dtos.Select(x =>
             {
                 if (relationTypeId != x.RelationType)
                     factory = new RelationFactory(_relationTypeRepository.Get(relationTypeId = x.RelationType));
                 return DtoToEntity(x, factory);
-            });
+            }).ToList();
         }
 
         private static IRelation DtoToEntity(RelationDto dto, RelationFactory factory)

src/Umbraco.Core/Persistence/Repositories/TemplateRepository.cs

@@ -270,12 +270,11 @@ namespace Umbraco.Core.Persistence.Repositories
 
             // once content has been set, "template on disk" are not "on disk" anymore
             template.Content = content;
+            SetVirtualPath(template);
 
             if (dto.Design == content) return;
             dto.Design = content;
             Database.Update(dto); // though... we don't care about the db value really??!!
-
-            SetVirtualPath(template);
         }
 
         protected override void PersistDeletedItem(ITemplate entity)

src/Umbraco.Core/PropertyEditors/PreValueField.cs

@@ -15,6 +15,7 @@ namespace Umbraco.Core.PropertyEditors
         public PreValueField()
         {
             Validators = new List<IPropertyValidator>();
+            Config = new Dictionary<string, object>();
 
             //check for an attribute and fill the values
             var att = GetType().GetCustomAttribute<PreValueFieldAttribute>(false);
@@ -79,5 +80,11 @@ namespace Umbraco.Core.PropertyEditors
         /// </summary>
         [JsonProperty("validation", ItemConverterType = typeof(ManifestValidatorConverter))]
         public List<IPropertyValidator> Validators { get; private set; }
+
+        /// <summary>
+        /// This allows for custom configuration to be injected into the pre-value editor
+        /// </summary>        
+        [JsonProperty("config")]
+        public IDictionary<string, object> Config { get; set; }
     }
 }

src/Umbraco.Core/PropertyEditors/PropertyEditor.cs

@@ -38,6 +38,7 @@ namespace Umbraco.Core.PropertyEditors
                 IsParameterEditor = _attribute.IsParameterEditor;
                 Icon = _attribute.Icon;
                 Group = _attribute.Group;
+                IsDeprecated = _attribute.IsDeprecated;
             }
         }
 
@@ -90,6 +91,9 @@ namespace Umbraco.Core.PropertyEditors
             get { return CreateValueEditor(); }
         }
 
+        [JsonIgnore]
+        public bool IsDeprecated { get; internal set; }
+
         [JsonIgnore]
         IValueEditor IParameterEditor.ValueEditor
         {

src/Umbraco.Core/PropertyEditors/PropertyEditorAttribute.cs

@@ -60,6 +60,12 @@ namespace Umbraco.Core.PropertyEditors
         public string ValueType { get; set; }
         public bool IsParameterEditor { get; set; }
 
+        /// <summary>
+        /// If set to true, this property editor will not show up in the DataType's drop down list
+        /// if there is not already one of them chosen for a DataType
+        /// </summary>
+        public bool IsDeprecated { get; set; }
+
         /// <summary>
         /// If this is is true than the editor will be displayed full width without a label
         /// </summary>

src/Umbraco.Core/PropertyEditors/ValueConverters/CheckboxListValueConverter.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(IEnumerable<string>))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class CheckboxListValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.CheckBoxListAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            var sourceString = (source ?? string.Empty).ToString();
+
+            if (string.IsNullOrEmpty(sourceString))
+                return Enumerable.Empty<string>();
+
+            var values =
+                sourceString.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(v => v.Trim());
+
+            return values;
+        }        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/ColorPickerValueConverter.cs

@@ -1,18 +1,28 @@
-using Umbraco.Core.Models.PublishedContent;
+using System;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(string))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class ColorPickerValueConverter : PropertyValueConverterBase
     {
         public override bool IsConverter(PublishedPropertyType propertyType)
         {
-            return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.ColorPickerAlias);
+	        if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+	        {
+				return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.ColorPickerAlias);
+			}
+	        return false;
         }
 
         public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
         {
             // make sure it's a string
-            return source.ToString();
+            return source == null ? string.Empty : source.ToString();
         }
+        
     }
 }

src/Umbraco.Core/PropertyEditors/ValueConverters/DatePickerValueConverter.cs

@@ -6,6 +6,7 @@ using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(DateTime))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class DatePickerValueConverter : PropertyValueConverterBase

src/Umbraco.Core/PropertyEditors/ValueConverters/DecimalValueConverter.cs

@@ -3,6 +3,7 @@ using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(decimal))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class DecimalValueConverter : PropertyValueConverterBase

src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListMultipleValueConverter.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(IEnumerable<string>))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class DropdownListMultipleValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.DropDownListMultipleAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            var sourceString = (source ?? "").ToString();
+
+            if (string.IsNullOrEmpty(sourceString))
+                return Enumerable.Empty<string>();
+
+            var values =
+                sourceString.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(v => v.Trim());
+
+            return values;
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListMultipleWithKeysValueConverter.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(IEnumerable<int>))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class DropdownListMultipleWithKeysValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.DropdownlistMultiplePublishKeysAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            if (source == null)
+                return new int[] { };
+
+            var prevalueIds = source.ToString()
+                                    .Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
+                                    .Select(p => p.Trim())
+                                    .Select(int.Parse)
+                                    .ToArray();
+
+            return prevalueIds;
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListValueConverter.cs

@@ -0,0 +1,28 @@
+using System;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(string))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class DropdownListValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.DropDownListAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            return source == null ? string.Empty : source.ToString();
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListWithKeysValueConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(int))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class DropdownListWithKeysValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.DropdownlistPublishingKeysAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            var intAttempt = source.TryConvertTo<int>();
+            if (intAttempt.Success)
+                return intAttempt.Result;
+
+            return null;
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/EmailAddressValueConverter.cs

@@ -0,0 +1,27 @@
+using System;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(string))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class EmailAddressValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.EmailAddressAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            return source.ToString();
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/IntegerValueConverter.cs

@@ -2,6 +2,7 @@
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(int))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class IntegerValueConverter : PropertyValueConverterBase

src/Umbraco.Core/PropertyEditors/ValueConverters/MarkdownEditorValueConverter.cs

@@ -4,6 +4,7 @@ using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(IHtmlString))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class MarkdownEditorValueConverter : PropertyValueConverterBase

src/Umbraco.Core/PropertyEditors/ValueConverters/MemberGroupPickerValueConverter.cs

@@ -0,0 +1,27 @@
+using System;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(string))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class MemberGroupPickerValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.MemberGroupPickerAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            return source == null ? string.Empty : source.ToString();
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/MultipleTextStringValueConverter.cs

@@ -8,6 +8,7 @@ using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(IEnumerable<string>))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class MultipleTextStringValueConverter : PropertyValueConverterBase

src/Umbraco.Core/PropertyEditors/ValueConverters/RadioButtonListValueConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(int))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class RadioButtonListValueConverter : PropertyValueConverterBase
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.RadioButtonListAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            var intAttempt = source.TryConvertTo<int>();
+            if (intAttempt.Success)
+                return intAttempt.Result;
+
+            return null;
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/SliderValueConverter.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Linq;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.PublishedContent;
+using Umbraco.Core.Services;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    public class SliderValueConverter : PropertyValueConverterBase, IPropertyValueConverterMeta
+    {
+        private readonly IDataTypeService _dataTypeService;
+
+        //TODO: Remove this ctor in v8 since the other one will use IoC
+        public SliderValueConverter()
+            : this(ApplicationContext.Current.Services.DataTypeService)
+        {
+        }
+
+        public SliderValueConverter(IDataTypeService dataTypeService)
+        {
+            if (dataTypeService == null) throw new ArgumentNullException("dataTypeService");
+            _dataTypeService = dataTypeService;
+        }
+
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.SliderAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            if (source == null)
+            {
+                return null;
+            }
+
+            if (IsRangeDataType(propertyType.DataTypeId))
+            {
+                var rangeRawValues = source.ToString().Split(',');
+                var minimumAttempt = rangeRawValues[0].TryConvertTo<decimal>();
+                var maximumAttempt = rangeRawValues[1].TryConvertTo<decimal>();
+
+                if (minimumAttempt.Success && maximumAttempt.Success)
+                {
+                    return new Range<decimal>() { Maximum = maximumAttempt.Result, Minimum = minimumAttempt.Result };
+                }
+            }
+
+            var valueAttempt = source.ToString().TryConvertTo<decimal>();
+            if (valueAttempt.Success)
+            {
+                return valueAttempt.Result;
+            }
+
+            // Something failed in the conversion of the strings to decimals
+            return null;
+
+        }
+
+        public Type GetPropertyValueType(PublishedPropertyType propertyType)
+        {
+            if (IsRangeDataType(propertyType.DataTypeId))
+            {
+                return typeof(Range<decimal>);
+            }
+            return typeof(decimal);
+        }
+
+        public PropertyCacheLevel GetPropertyCacheLevel(PublishedPropertyType propertyType, PropertyCacheValue cacheValue)
+        {
+            return PropertyCacheLevel.Content;
+        }
+
+        /// <summary>
+        /// Discovers if the slider is set to range mode.
+        /// </summary>
+        /// <param name="dataTypeId">
+        /// The data type id.
+        /// </param>
+        /// <returns>
+        /// The <see cref="bool"/>.
+        /// </returns>
+        private bool IsRangeDataType(int dataTypeId)
+        {
+            // ** This must be cached (U4-8862) **            
+            var enableRange =
+                _dataTypeService.GetPreValuesCollectionByDataTypeId(dataTypeId)
+                    .PreValuesAsDictionary.FirstOrDefault(
+                        x => string.Equals(x.Key, "enableRange", StringComparison.InvariantCultureIgnoreCase)).Value;
+
+            return enableRange != null && enableRange.Value.TryConvertTo<bool>().Result;
+        }
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/TagsValueConverter.cs

@@ -0,0 +1,91 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+using Umbraco.Core.Services;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(IEnumerable<string>))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class TagsValueConverter : PropertyValueConverterBase
+    {
+        private readonly IDataTypeService _dataTypeService;
+
+        //TODO: Remove this ctor in v8 since the other one will use IoC
+        public TagsValueConverter()
+            : this(ApplicationContext.Current.Services.DataTypeService)
+        {
+        }
+
+        public TagsValueConverter(IDataTypeService dataTypeService)
+        {
+            if (dataTypeService == null) throw new ArgumentNullException("dataTypeService");
+            _dataTypeService = dataTypeService;
+        }
+
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.TagsAlias);
+            }
+            return false;
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            // if Json storage type deserialzie and return as string array
+            if (JsonStorageType(propertyType.DataTypeId))
+            {
+                var jArray = JsonConvert.DeserializeObject<JArray>(source.ToString());
+                return jArray.ToObject<string[]>();
+            }
+
+            // Otherwise assume CSV storage type and return as string array
+            var csvTags =
+                source.ToString()
+                    .Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries)
+                    .ToArray();
+            return csvTags;
+        }
+
+        public override object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            if (source == null)
+            {
+                return null;
+            }
+            return (string[]) source;
+        }
+
+        /// <summary>
+        /// Discovers if the tags data type is storing its data in a Json format
+        /// </summary>
+        /// <param name="dataTypeId">
+        /// The data type id.
+        /// </param>
+        /// <returns>
+        /// The <see cref="bool"/>.
+        /// </returns>
+        private bool JsonStorageType(int dataTypeId)
+        {
+            // ** This must be cached (U4-8862) **
+            var storageType =
+                _dataTypeService.GetPreValuesCollectionByDataTypeId(dataTypeId)
+                    .PreValuesAsDictionary.FirstOrDefault(
+                        x => string.Equals(x.Key, "storageType", StringComparison.InvariantCultureIgnoreCase)).Value;
+
+            if (storageType.Value.InvariantEquals("Json"))
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/TextStringValueConverter.cs

@@ -6,11 +6,12 @@ using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(string))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class TextStringValueConverter : PropertyValueConverterBase
     {
-        private readonly static string[] PropertyTypeAliases =
+        private static readonly string[] PropertyTypeAliases =
         {
             Constants.PropertyEditors.TextboxAlias,
             Constants.PropertyEditors.TextboxMultipleAlias

src/Umbraco.Core/PropertyEditors/ValueConverters/TinyMceValueConverter.cs

@@ -4,10 +4,11 @@ using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
-	/// <summary>
-	/// Value converter for the RTE so that it always returns IHtmlString so that Html.Raw doesn't have to be used.
-	/// </summary>
+    /// <summary>
+    /// Value converter for the RTE so that it always returns IHtmlString so that Html.Raw doesn't have to be used.
+    /// </summary>
     // PropertyCacheLevel.Content is ok here because that version of RTE converter does not parse {locallink} nor executes macros
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(IHtmlString))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class TinyMceValueConverter : PropertyValueConverterBase

src/Umbraco.Core/PropertyEditors/ValueConverters/UploadPropertyConverter.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using Umbraco.Core;
+using Umbraco.Core.Configuration;
+using Umbraco.Core.Models.PublishedContent;
+using Umbraco.Core.PropertyEditors;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    /// <summary>
+    /// The upload property value converter.
+    /// </summary>
+    [DefaultPropertyValueConverter]
+    [PropertyValueType(typeof(string))]
+    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
+    public class UploadPropertyConverter : PropertyValueConverterBase
+    {
+        /// <summary>
+        /// Checks if this converter can convert the property editor and registers if it can.
+        /// </summary>
+        /// <param name="propertyType">
+        /// The published property type.
+        /// </param>
+        /// <returns>
+        /// The <see cref="bool"/>.
+        /// </returns>
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            if (UmbracoConfig.For.UmbracoSettings().Content.EnablePropertyValueConverters)
+            {
+                return propertyType.PropertyEditorAlias.Equals(Constants.PropertyEditors.UploadFieldAlias);
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Convert the source object to a string
+        /// </summary>
+        /// <param name="propertyType">
+        /// The published property type.
+        /// </param>
+        /// <param name="source">
+        /// The value of the property
+        /// </param>
+        /// <param name="preview">
+        /// The preview.
+        /// </param>
+        /// <returns>
+        /// The <see cref="object"/>.
+        /// </returns>
+        public override object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            return (source ?? "").ToString();
+        }
+        
+    }
+}

src/Umbraco.Core/PropertyEditors/ValueConverters/YesNoValueConverter.cs

@@ -3,6 +3,7 @@ using Umbraco.Core.Models.PublishedContent;
 
 namespace Umbraco.Core.PropertyEditors.ValueConverters
 {
+    [DefaultPropertyValueConverter]
     [PropertyValueType(typeof(bool))]
     [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
     public class YesNoValueConverter : PropertyValueConverterBase

src/Umbraco.Core/Scoping/NoScope.cs

@@ -15,6 +15,7 @@ namespace Umbraco.Core.Scoping
         private bool _disposed;
 
         private UmbracoDatabase _database;
+        private EventMessages _messages;
 
         public NoScope(ScopeProvider scopeProvider)
         {
@@ -61,12 +62,42 @@ namespace Umbraco.Core.Scoping
         /// <inheritdoc />
         public EventMessages Messages
         {
-            get { throw new NotSupportedException(); }
+            get
+            {
+                EnsureNotDisposed();
+                if (_messages != null) return _messages;
+
+                // see comments in Scope
+
+                var factory = ScopeLifespanMessagesFactory.Current;
+                if (factory == null)
+                {
+                    _messages = new EventMessages();
+                }
+                else
+                {
+                    _messages = factory.GetFromHttpContext();
+                    if (_messages == null)
+                        factory.Set(_messages = new EventMessages());
+                }
+
+                return _messages;
+            }
         }
 
         public EventMessages MessagesOrNull
         {
-            get { throw new NotSupportedException(); }
+            get
+            {
+                EnsureNotDisposed();
+
+                // see comments in Scope
+
+                if (_messages != null) return _messages;
+
+                var factory = ScopeLifespanMessagesFactory.Current;
+                return factory == null ? null : factory.GetFromHttpContext();
+            }
         }
 
         /// <inheritdoc />

src/Umbraco.Core/Scoping/Scope.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Data;
 using Umbraco.Core.Cache;
+using Umbraco.Core.Configuration;
 using Umbraco.Core.Events;
 using Umbraco.Core.IO;
 using Umbraco.Core.Persistence;
@@ -24,6 +25,7 @@ namespace Umbraco.Core.Scoping
 
         private IsolatedRuntimeCache _isolatedRuntimeCache;
         private UmbracoDatabase _database;
+        private EventMessages _messages;
         private ICompletable _fscope;
         private IEventDispatcher _eventDispatcher;
 
@@ -127,6 +129,7 @@ namespace Umbraco.Core.Scoping
         {
             // steal everything from NoScope
             _database = noScope.DatabaseOrNull;
+            _messages = noScope.MessagesOrNull;
 
             // make sure the NoScope can be replaced ie not in a transaction
             if (_database != null && _database.InTransaction)
@@ -271,11 +274,27 @@ namespace Umbraco.Core.Scoping
             {
                 EnsureNotDisposed();
                 if (ParentScope != null) return ParentScope.Messages;
-                //return _messages ?? (_messages = new EventMessages());
 
-                // ok, this isn't pretty, but it works
-                // TODO kill the message factory and let the scope manage it all
-                return ApplicationContext.Current.Services.EventMessagesFactory.Get();
+                if (_messages != null) return _messages;
+
+                // this is ugly - in v7 for backward compatibility reasons, EventMessages need
+                // to survive way longer that the scopes, and kinda resides on its own in http
+                // context, but must also be in scopes for when we do async and lose http context
+                // TODO refactor in v8
+
+                var factory = ScopeLifespanMessagesFactory.Current;
+                if (factory == null)
+                {
+                    _messages = new EventMessages();
+                }
+                else
+                {
+                    _messages = factory.GetFromHttpContext();
+                    if (_messages == null)
+                        factory.Set(_messages = new EventMessages());
+                }
+
+                return _messages;
             }
         }
 
@@ -284,7 +303,14 @@ namespace Umbraco.Core.Scoping
             get
             {
                 EnsureNotDisposed();
-                return ParentScope == null ? null : ParentScope.MessagesOrNull;
+                if (ParentScope != null) return ParentScope.MessagesOrNull;
+
+                // see comments in Messages
+
+                if (_messages != null) return _messages;
+
+                var factory = ScopeLifespanMessagesFactory.Current;
+                return factory == null ? null : factory.GetFromHttpContext();
             }
         }
 
@@ -316,7 +342,11 @@ namespace Umbraco.Core.Scoping
         {
             // if child did not complete we cannot complete
             if (completed.HasValue == false || completed.Value == false)
+            {
+                if (LogUncompletedScopes)
+                    Logging.LogHelper.Debug<Scope>("Uncompleted Child Scope at\r\n" + Environment.StackTrace);
                 _completed = false;
+            }
         }
 
         private void EnsureNotDisposed()
@@ -343,13 +373,13 @@ namespace Umbraco.Core.Scoping
 #endif
             }
 
+            var parent = ParentScope;
+            _scopeProvider.AmbientScope = parent;
+
 #if DEBUG_SCOPES
             _scopeProvider.Disposed(this);
 #endif
 
-            var parent = ParentScope;
-            _scopeProvider.AmbientScope = parent;
-
             if (parent != null)
                 parent.ChildCompleted(_completed);
             else
@@ -468,5 +498,15 @@ namespace Umbraco.Core.Scoping
                 TryFinally(index + 1, actions);
             }
         }
+
+        // backing field for LogUncompletedScopes
+        private static bool? _logUncompletedScopes;
+
+        // caching config
+        // true if Umbraco.CoreDebug.LogUncompletedScope appSetting is set to "true"
+        private static bool LogUncompletedScopes
+        {
+            get { return (_logUncompletedScopes ?? (_logUncompletedScopes = UmbracoConfig.For.CoreDebug().LogUncompletedScopes)).Value; }
+        }
     }
 }

src/Umbraco.Core/Scoping/ScopeProvider.cs

@@ -3,6 +3,7 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Data;
 using System.Runtime.Remoting.Messaging;
+using System.Text;
 using System.Web;
 using Umbraco.Core.Events;
 using Umbraco.Core.Persistence;
@@ -99,18 +100,23 @@ namespace Umbraco.Core.Scoping
             where T : class
         {
             var objectKey = CallContext.LogicalGetData(key).AsGuid();
+            if (objectKey == Guid.Empty) return null;
+
             lock (StaticCallContextObjectsLock)
             {
                 object callContextObject;
                 if (StaticCallContextObjects.TryGetValue(objectKey, out callContextObject))
                 {
 #if DEBUG_SCOPES
-                    //Logging.LogHelper.Debug<ScopeProvider>("GotObject " + objectKey.ToString("N").Substring(0, 8));
+                    Logging.LogHelper.Debug<ScopeProvider>("Got " + typeof(T).Name + " Object " + objectKey.ToString("N").Substring(0, 8));
+                    //Logging.LogHelper.Debug<ScopeProvider>("At:\r\n" + Head(Environment.StackTrace, 24));
 #endif
                     return (T) callContextObject;
                 }
+
+                Logging.LogHelper.Warn<ScopeProvider>("Missed " + typeof(T).Name + " Object " + objectKey.ToString("N").Substring(0, 8));
 #if DEBUG_SCOPES
-                //Logging.LogHelper.Debug<ScopeProvider>("MissedObject " + objectKey.ToString("N").Substring(0, 8));
+                //Logging.LogHelper.Debug<ScopeProvider>("At:\r\n" + Head(Environment.StackTrace, 24));
 #endif
                 return null;
             }
@@ -146,7 +152,8 @@ namespace Umbraco.Core.Scoping
                 lock (StaticCallContextObjectsLock)
                 {
 #if DEBUG_SCOPES
-                    //Logging.LogHelper.Debug<ScopeProvider>("RemoveObject " + objectKey.ToString("N").Substring(0, 8));
+                    Logging.LogHelper.Debug<ScopeProvider>("Remove Object " + objectKey.ToString("N").Substring(0, 8));
+                    //Logging.LogHelper.Debug<ScopeProvider>("At:\r\n" + Head(Environment.StackTrace, 24));
 #endif
                     StaticCallContextObjects.Remove(objectKey);
                 }
@@ -160,7 +167,8 @@ namespace Umbraco.Core.Scoping
                 lock (StaticCallContextObjectsLock)
                 {
 #if DEBUG_SCOPES
-                    //Logging.LogHelper.Debug<ScopeProvider>("AddObject " + objectKey.ToString("N").Substring(0, 8));
+                    Logging.LogHelper.Debug<ScopeProvider>("AddObject " + objectKey.ToString("N").Substring(0, 8));
+                    //Logging.LogHelper.Debug<ScopeProvider>("At:\r\n" + Head(Environment.StackTrace, 24));
 #endif
                     StaticCallContextObjects.Add(objectKey, value);
                 }
@@ -506,7 +514,7 @@ namespace Umbraco.Core.Scoping
             lock (StaticScopeInfosLock)
             {
                 if (StaticScopeInfos.ContainsKey(scope)) throw new Exception("oops: already registered.");
-                //Logging.LogHelper.Debug<ScopeProvider>("Register " + scope.InstanceId.ToString("N").Substring(0, 8));
+                Logging.LogHelper.Debug<ScopeProvider>("Register " + scope.InstanceId.ToString("N").Substring(0, 8));
                 StaticScopeInfos[scope] = new ScopeInfo(scope, Environment.StackTrace);
             }
         }
@@ -524,14 +532,35 @@ namespace Umbraco.Core.Scoping
                     if (context == null) return;
                     throw new Exception("oops: unregistered scope.");
                 }
-                //Logging.LogHelper.Debug<ScopeProvider>("Register context " + (context ?? "null") + " for " + scope.InstanceId.ToString("N").Substring(0, 8));
+                var sb = new StringBuilder();
+                var s = scope;
+                while (s != null)
+                {
+                    if (sb.Length > 0) sb.Append(" < ");
+                    sb.Append(s.InstanceId.ToString("N").Substring(0, 8));
+                    var ss = s as IScopeInternal;
+                    s = ss == null ? null : ss.ParentScope;
+                }
+                Logging.LogHelper.Debug<ScopeProvider>("Register " + (context ?? "null") + " context " + sb);
                 if (context == null) info.NullStack = Environment.StackTrace;
-                //if (context == null)
-                //    Logging.LogHelper.Debug<ScopeProvider>("STACK\r\n" + info.NullStack);
+                //Logging.LogHelper.Debug<ScopeProvider>("At:\r\n" + Head(Environment.StackTrace, 16));
                 info.Context = context;
             }
         }
 
+        private static string Head(string s, int count)
+        {
+            var pos = 0;
+            var i = 0;
+            while (i < count && pos >= 0)
+            {
+                pos = s.IndexOf("\r\n", pos + 1, StringComparison.OrdinalIgnoreCase);
+                i++;
+            }
+            if (pos < 0) return s;
+            return s.Substring(0, pos);
+        }
+
         public void Disposed(IScope scope)
         {
             lock (StaticScopeInfosLock)
@@ -541,7 +570,7 @@ namespace Umbraco.Core.Scoping
                     // enable this by default
                     //Console.WriteLine("unregister " + scope.InstanceId.ToString("N").Substring(0, 8));
                     StaticScopeInfos.Remove(scope);
-                    //Logging.LogHelper.Debug<ScopeProvider>("Remove " + scope.InstanceId.ToString("N").Substring(0, 8));
+                    Logging.LogHelper.Debug<ScopeProvider>("Remove " + scope.InstanceId.ToString("N").Substring(0, 8));
 
                     // instead, enable this to keep *all* scopes
                     // beware, there can be a lot of scopes!

src/Umbraco.Core/Security/BackOfficeSignInManager.cs

@@ -176,7 +176,7 @@ namespace Umbraco.Core.Security
                     AllowRefresh = true,
                     IssuedUtc = nowUtc,
                     ExpiresUtc = nowUtc.AddMinutes(GlobalSettings.TimeOutInMinutes)
-                }, userIdentity, rememberBrowserIdentity);
+                }, userIdentity, rememberBrowserIdentity);                
             }
             else
             {
@@ -189,6 +189,10 @@ namespace Umbraco.Core.Security
                 }, userIdentity);
             }
 
+            //track the last login date
+            user.LastLoginDateUtc = DateTime.UtcNow;
+            await UserManager.UpdateAsync(user);
+
             _logger.WriteCore(TraceEventType.Information, 0,
                 string.Format(
                     "Login attempt succeeded for username {0} from IP address {1}",

src/Umbraco.Core/Security/BackOfficeUserStore.cs

@@ -625,6 +625,12 @@ namespace Umbraco.Core.Security
             var anythingChanged = false;
             //don't assign anything if nothing has changed as this will trigger
             //the track changes of the model
+            if ((user.LastLoginDate != default(DateTime) && identityUser.LastLoginDateUtc.HasValue == false)
+                || identityUser.LastLoginDateUtc.HasValue && user.LastLoginDate.ToUniversalTime() != identityUser.LastLoginDateUtc.Value)
+            {
+                anythingChanged = true;
+                user.LastLoginDate = identityUser.LastLoginDateUtc.Value.ToLocalTime();
+            }
             if (user.Name != identityUser.Name && identityUser.Name.IsNullOrWhiteSpace() == false)
             {
                 anythingChanged = true;

src/Umbraco.Core/Services/ContentService.cs

@@ -578,11 +578,9 @@ namespace Umbraco.Core.Services
                 var repository = RepositoryFactory.CreateContentRepository(uow);
 
                 var query = Query<IContent>.Builder;
-                //if the id is System Root, then just get all
-                if (id != Constants.System.Root)
-                {
-                    query.Where(x => x.ParentId == id);
-                }
+                // always check for a parent - else it will also get decendants (and then you should use the GetPagedDescendants method)
+                query.Where(x => x.ParentId == id);
+
                 IQuery<IContent> filterQuery = null;
                 if (filter.IsNullOrWhiteSpace() == false)
                 {

src/Umbraco.Core/Services/ContentTypeService.cs

@@ -69,7 +69,7 @@ namespace Umbraco.Core.Services
                     repo.AddOrUpdate(container);
                     uow.Commit();
 
-                    uow.Events.Dispatch(SavedContentTypeContainer, this, new SaveEventArgs<EntityContainer>(container, evtMsgs));
+                    uow.Events.Dispatch(SavedContentTypeContainer, this, new SaveEventArgs<EntityContainer>(container, evtMsgs), "SavedContentTypeContainer");
                     //TODO: Audit trail ?
 
                     return Attempt.Succeed(new OperationStatus<EntityContainer, OperationStatusType>(container, OperationStatusType.Success, evtMsgs));
@@ -106,7 +106,7 @@ namespace Umbraco.Core.Services
                     repo.AddOrUpdate(container);
                     uow.Commit();
 
-                    uow.Events.Dispatch(SavedMediaTypeContainer, this, new SaveEventArgs<EntityContainer>(container, evtMsgs));
+                    uow.Events.Dispatch(SavedMediaTypeContainer, this, new SaveEventArgs<EntityContainer>(container, evtMsgs), "SavedMediaTypeContainer");
                     //TODO: Audit trail ?
 
                     return Attempt.Succeed(new OperationStatus<EntityContainer, OperationStatusType>(container, OperationStatusType.Success, evtMsgs));
@@ -122,14 +122,16 @@ namespace Umbraco.Core.Services
         {
             return SaveContainer(
                 SavingContentTypeContainer, SavedContentTypeContainer,
-                container, Constants.ObjectTypes.DocumentTypeContainerGuid, "document type", userId);
+                container, Constants.ObjectTypes.DocumentTypeContainerGuid, "document type",
+                "SavedContentTypeContainer", userId);
         }
 
         public Attempt<OperationStatus> SaveMediaTypeContainer(EntityContainer container, int userId = 0)
         {
             return SaveContainer(
                 SavingMediaTypeContainer, SavedMediaTypeContainer,
-                container, Constants.ObjectTypes.MediaTypeContainerGuid, "media type", userId);
+                container, Constants.ObjectTypes.MediaTypeContainerGuid, "media type",
+                "SavedMediaTypeContainer", userId);
         }
 
         private Attempt<OperationStatus> SaveContainer(
@@ -137,7 +139,9 @@ namespace Umbraco.Core.Services
             TypedEventHandler<IContentTypeService, SaveEventArgs<EntityContainer>> savedEvent,
             EntityContainer container,
             Guid containerObjectType,
-            string objectTypeName, int userId)
+            string objectTypeName, 
+            string savedEventName,
+            int userId)
         {
             var evtMsgs = EventMessagesFactory.Get();
 
@@ -165,7 +169,7 @@ namespace Umbraco.Core.Services
                 var repo = RepositoryFactory.CreateEntityContainerRepository(uow, containerObjectType);
                 repo.AddOrUpdate(container);
                 uow.Commit();
-                uow.Events.Dispatch(savedEvent, this, new SaveEventArgs<EntityContainer>(container, evtMsgs));
+                uow.Events.Dispatch(savedEvent, this, new SaveEventArgs<EntityContainer>(container, evtMsgs), savedEventName);
             }
 
             //TODO: Audit trail ?

src/Umbraco.Core/Services/EntityService.cs

@@ -9,6 +9,7 @@ using Umbraco.Core.Models;
 using Umbraco.Core.Models.EntityBase;
 using Umbraco.Core.Models.Rdbms;
 using Umbraco.Core.Persistence;
+using Umbraco.Core.Persistence.DatabaseModelDefinitions;
 using Umbraco.Core.Persistence.Querying;
 using Umbraco.Core.Persistence.UnitOfWork;
 
@@ -91,6 +92,7 @@ namespace Umbraco.Core.Services
                         case UmbracoObjectTypes.Member:
                         case UmbracoObjectTypes.DataType:
                         case UmbracoObjectTypes.DocumentTypeContainer:
+                            uow.Commit();
                             return uow.Database.ExecuteScalar<int?>(new Sql().Select("id").From<NodeDto>().Where<NodeDto>(dto => dto.UniqueId == key));
                         case UmbracoObjectTypes.RecycleBin:
                         case UmbracoObjectTypes.Stylesheet:
@@ -129,6 +131,7 @@ namespace Umbraco.Core.Services
                         case UmbracoObjectTypes.DocumentType:
                         case UmbracoObjectTypes.Member:
                         case UmbracoObjectTypes.DataType:
+                            uow.Commit();
                             return uow.Database.ExecuteScalar<Guid?>(new Sql().Select("uniqueID").From<NodeDto>().Where<NodeDto>(dto => dto.NodeId == id));
                         case UmbracoObjectTypes.RecycleBin:
                         case UmbracoObjectTypes.Stylesheet:
@@ -374,6 +377,115 @@ namespace Umbraco.Core.Services
             }
         }
 
+        /// <summary>
+        /// Returns a paged collection of children
+        /// </summary>
+        /// <param name="parentId">The parent id to return children for</param>
+        /// <param name="umbracoObjectType"></param>
+        /// <param name="pageIndex"></param>
+        /// <param name="pageSize"></param>
+        /// <param name="totalRecords"></param>
+        /// <param name="orderBy"></param>
+        /// <param name="orderDirection"></param>
+        /// <param name="filter"></param>
+        /// <returns></returns>
+        public IEnumerable<IUmbracoEntity> GetPagedChildren(int parentId, UmbracoObjectTypes umbracoObjectType, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy = "SortOrder", Direction orderDirection = Direction.Ascending, string filter = "")
+        {
+            var objectTypeId = umbracoObjectType.GetGuid();
+            using (var uow = UowProvider.GetUnitOfWork())
+            {
+                var repository = RepositoryFactory.CreateEntityRepository(uow);
+                var query = Query<IUmbracoEntity>.Builder.Where(x => x.ParentId == parentId && x.Trashed == false);
+
+                IQuery<IUmbracoEntity> filterQuery = null;
+                if (filter.IsNullOrWhiteSpace() == false)
+                {
+                    filterQuery = Query<IUmbracoEntity>.Builder.Where(x => x.Name.Contains(filter));
+                }
+
+                var contents = repository.GetPagedResultsByQuery(query, objectTypeId, pageIndex, pageSize, out totalRecords, orderBy, orderDirection, filterQuery);
+                uow.Commit();
+                return contents;
+            }
+        }
+
+        /// <summary>
+        /// Returns a paged collection of descendants
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="umbracoObjectType"></param>
+        /// <param name="pageIndex"></param>
+        /// <param name="pageSize"></param>
+        /// <param name="totalRecords"></param>
+        /// <param name="orderBy"></param>
+        /// <param name="orderDirection"></param>
+        /// <param name="filter"></param>        
+        /// <returns></returns>
+        public IEnumerable<IUmbracoEntity> GetPagedDescendants(int id, UmbracoObjectTypes umbracoObjectType, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy = "path", Direction orderDirection = Direction.Ascending, string filter = "")
+        {
+            var objectTypeId = umbracoObjectType.GetGuid();
+            using (var uow = UowProvider.GetUnitOfWork())
+            {
+                var repository = RepositoryFactory.CreateEntityRepository(uow);
+
+                var query = Query<IUmbracoEntity>.Builder;
+                //if the id is System Root, then just get all
+                if (id != Constants.System.Root)
+                    query.Where(x => x.Path.SqlContains(string.Format(",{0},", id), TextColumnType.NVarchar));                
+
+                IQuery<IUmbracoEntity> filterQuery = null;
+                if (filter.IsNullOrWhiteSpace() == false)
+                {
+                    filterQuery = Query<IUmbracoEntity>.Builder.Where(x => x.Name.Contains(filter));
+                }
+
+                var contents = repository.GetPagedResultsByQuery(query, objectTypeId, pageIndex, pageSize, out totalRecords, orderBy, orderDirection, filterQuery);
+                uow.Commit();
+                return contents;
+            }
+        }
+
+        /// <summary>
+        /// Returns a paged collection of descendants from the root
+        /// </summary>
+        /// <param name="umbracoObjectType"></param>
+        /// <param name="pageIndex"></param>
+        /// <param name="pageSize"></param>
+        /// <param name="totalRecords"></param>
+        /// <param name="orderBy"></param>
+        /// <param name="orderDirection"></param>
+        /// <param name="filter"></param>
+        /// <param name="includeTrashed">true/false to include trashed objects</param>
+        /// <returns></returns>
+        public IEnumerable<IUmbracoEntity> GetPagedDescendantsFromRoot(UmbracoObjectTypes umbracoObjectType, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy = "path", Direction orderDirection = Direction.Ascending, string filter = "", bool includeTrashed = true)
+        {
+            var objectTypeId = umbracoObjectType.GetGuid();
+            using (var uow = UowProvider.GetUnitOfWork())
+            {
+                var repository = RepositoryFactory.CreateEntityRepository(uow);
+
+                var query = Query<IUmbracoEntity>.Builder;
+                //don't include trashed if specfied
+                if (includeTrashed == false)
+                {
+                    query.Where(x => x.Trashed == false);
+                }
+
+                IQuery<IUmbracoEntity> filterQuery = null;
+                if (filter.IsNullOrWhiteSpace() == false)
+                {
+                    filterQuery = Query<IUmbracoEntity>.Builder.Where(x => x.Name.Contains(filter));
+                }
+
+                var contents = repository.GetPagedResultsByQuery(query, objectTypeId, pageIndex, pageSize, out totalRecords, orderBy, orderDirection, filterQuery);
+                uow.Commit();
+                return contents;
+            }
+        }
+
         /// <summary>
         /// Gets a collection of descendents by the parents Id
         /// </summary>

src/Umbraco.Core/Services/IEntityService.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using Umbraco.Core.Models;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.DatabaseModelDefinitions;
 
 namespace Umbraco.Core.Services
 {
@@ -137,6 +138,51 @@ namespace Umbraco.Core.Services
         /// <returns>An enumerable list of <see cref="IUmbracoEntity"/> objects</returns>
         IEnumerable<IUmbracoEntity> GetChildren(int parentId, UmbracoObjectTypes umbracoObjectType);
 
+        /// <summary>
+        /// Returns a paged collection of children
+        /// </summary>
+        /// <param name="parentId">The parent id to return children for</param>
+        /// <param name="umbracoObjectType"></param>
+        /// <param name="pageIndex"></param>
+        /// <param name="pageSize"></param>
+        /// <param name="totalRecords"></param>
+        /// <param name="orderBy"></param>
+        /// <param name="orderDirection"></param>
+        /// <param name="filter"></param>
+        /// <returns></returns>
+        IEnumerable<IUmbracoEntity> GetPagedChildren(int parentId, UmbracoObjectTypes umbracoObjectType, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy = "SortOrder", Direction orderDirection = Direction.Ascending, string filter = "");
+
+        /// <summary>
+        /// Returns a paged collection of descendants
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="umbracoObjectType"></param>
+        /// <param name="pageIndex"></param>
+        /// <param name="pageSize"></param>
+        /// <param name="totalRecords"></param>
+        /// <param name="orderBy"></param>
+        /// <param name="orderDirection"></param>
+        /// <param name="filter"></param>        
+        /// <returns></returns>
+        IEnumerable<IUmbracoEntity> GetPagedDescendants(int id, UmbracoObjectTypes umbracoObjectType, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy = "path", Direction orderDirection = Direction.Ascending, string filter = "");
+
+        /// <summary>
+        /// Returns a paged collection of descendants from the root
+        /// </summary>
+        /// <param name="umbracoObjectType"></param>
+        /// <param name="pageIndex"></param>
+        /// <param name="pageSize"></param>
+        /// <param name="totalRecords"></param>
+        /// <param name="orderBy"></param>
+        /// <param name="orderDirection"></param>
+        /// <param name="filter"></param>
+        /// <param name="includeTrashed">true/false to include trashed objects</param>
+        /// <returns></returns>
+        IEnumerable<IUmbracoEntity> GetPagedDescendantsFromRoot(UmbracoObjectTypes umbracoObjectType, long pageIndex, int pageSize, out long totalRecords,
+            string orderBy = "path", Direction orderDirection = Direction.Ascending, string filter = "", bool includeTrashed = true);
+
         /// <summary>
         /// Gets a collection of descendents by the parents Id
         /// </summary>

src/Umbraco.Core/Services/MediaService.cs

@@ -457,11 +457,9 @@ namespace Umbraco.Core.Services
                 var repository = RepositoryFactory.CreateMediaRepository(uow);
 
                 var query = Query<IMedia>.Builder;
-                //if the id is System Root, then just get all
-                if (id != Constants.System.Root)
-                {
-                    query.Where(x => x.ParentId == id);
-                }
+                // always check for a parent - else it will also get decendants (and then you should use the GetPagedDescendants method)
+                query.Where(x => x.ParentId == id);
+
                 IQuery<IMedia> filterQuery = null;
                 if (filter.IsNullOrWhiteSpace() == false)
                 {

src/Umbraco.Core/TypeExtensions.cs

@@ -425,7 +425,28 @@ namespace Umbraco.Core
                 assemblyName.FullName.StartsWith("App_Code.") ? "App_Code" : assemblyName.Name);
 		}
 
+        /// <summary>
+        /// If the given <paramref name="type"/> is an array or some other collection
+        /// comprised of 0 or more instances of a "subtype", get that type
+        /// </summary>
+        /// <param name="type">the source type</param>
+        /// <returns></returns>
+        internal static Type GetEnumeratedType(this Type type)
+        {
+            if (typeof(IEnumerable).IsAssignableFrom(type) == false)
+                return null;
 
+            // provided by Array
+            var elType = type.GetElementType();
+            if (null != elType) return elType;
+
+            // otherwise provided by collection
+            var elTypes = type.GetGenericArguments();
+            if (elTypes.Length > 0) return elTypes[0];
+
+            // otherwise is not an 'enumerated' type
+            return null;
+        }
 
     }
 }

src/Umbraco.Core/Udi.cs

@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
+using System.Reflection;
 using Umbraco.Core.Deploy;
 
 namespace Umbraco.Core
@@ -10,9 +12,10 @@ namespace Umbraco.Core
     /// Represents an entity identifier.
     /// </summary>
     /// <remarks>An Udi can be fully qualified or "closed" eg umb://document/{guid} or "open" eg umb://document.</remarks>
+    [TypeConverter(typeof(UdiTypeConverter))]
     public abstract class Udi : IComparable<Udi>
     {
-        private static readonly Dictionary<string, UdiType> UdiTypes = new Dictionary<string, UdiType>();
+        private static readonly Lazy<Dictionary<string, UdiType>> UdiTypes;
         private static readonly ConcurrentDictionary<string, Udi> RootUdis = new ConcurrentDictionary<string, Udi>();
         internal readonly Uri UriValue; // internal for UdiRange
 
@@ -39,32 +42,50 @@ namespace Umbraco.Core
 
         static Udi()
         {
-            // for tests etc.
-            UdiTypes[Constants.DeployEntityType.AnyGuid] = UdiType.GuidUdi;
-            UdiTypes[Constants.DeployEntityType.AnyString] = UdiType.StringUdi;
-
-            // we don't have connectors for these...
-            UdiTypes[Constants.DeployEntityType.Member] = UdiType.GuidUdi;
-            UdiTypes[Constants.DeployEntityType.MemberGroup] = UdiType.GuidUdi;
-
-            // fixme - or inject from...?
-            // there is no way we can get the "registered" service connectors, as registration
-            // happens in Deploy, not in Core, and the Udi class belongs to Core - therefore, we
-            // just pick every service connectors - just making sure that not two of them
-            // would register the same entity type, with different udi types (would not make
-            // much sense anyways).
-            var connectors = PluginManager.Current.ResolveTypes<IServiceConnector>();
-            foreach (var connector in connectors)
+            UdiTypes = new Lazy<Dictionary<string, UdiType>>(() =>
             {
-                var attrs = connector.GetCustomAttributes<UdiDefinitionAttribute>(false);
-                foreach (var attr in attrs)
+                var result = new Dictionary<string, UdiType>();
+                
+                // known types:
+                foreach (var fi in typeof(Constants.UdiEntityType).GetFields(BindingFlags.Public | BindingFlags.Static))
                 {
-                    UdiType udiType;
-                    if (UdiTypes.TryGetValue(attr.EntityType, out udiType) && udiType != attr.UdiType)
-                        throw new Exception(string.Format("Entity type \"{0}\" is declared by more than one IServiceConnector, with different UdiTypes.", attr.EntityType));
-                    UdiTypes[attr.EntityType] = attr.UdiType;
+                    // IsLiteral determines if its value is written at 
+                    //   compile time and not changeable
+                    // IsInitOnly determine if the field can be set 
+                    //   in the body of the constructor
+                    // for C# a field which is readonly keyword would have both true 
+                    //   but a const field would have only IsLiteral equal to true
+                    if (fi.IsLiteral && fi.IsInitOnly == false)
+                    {
+                        var udiType = fi.GetCustomAttribute<Constants.UdiTypeAttribute>();
+
+                        if (udiType == null) 
+                            throw new InvalidOperationException("All Constants listed in UdiEntityType must be attributed with " + typeof(Constants.UdiTypeAttribute));
+                        result[fi.GetValue(null).ToString()] = udiType.UdiType;
+                    }                        
                 }
-            }
+
+                // Scan for unknown UDI types
+                // there is no way we can get the "registered" service connectors, as registration
+                // happens in Deploy, not in Core, and the Udi class belongs to Core - therefore, we
+                // just pick every service connectors - just making sure that not two of them
+                // would register the same entity type, with different udi types (would not make
+                // much sense anyways).
+                var connectors = PluginManager.Current.ResolveTypes<IServiceConnector>();
+                foreach (var connector in connectors)
+                {
+                    var attrs = connector.GetCustomAttributes<UdiDefinitionAttribute>(false);
+                    foreach (var attr in attrs)
+                    {
+                        UdiType udiType;
+                        if (result.TryGetValue(attr.EntityType, out udiType) && udiType != attr.UdiType)
+                            throw new Exception(string.Format("Entity type \"{0}\" is declared by more than one IServiceConnector, with different UdiTypes.", attr.EntityType));
+                        result[attr.EntityType] = attr.UdiType;
+                    }
+                }
+
+                return result;
+            });                       
         }
 
         /// <summary>
@@ -105,8 +126,8 @@ namespace Umbraco.Core
             udi = null;
             Uri uri;
 
-            if (!Uri.IsWellFormedUriString(s, UriKind.Absolute)
-                || !Uri.TryCreate(s, UriKind.Absolute, out uri))
+            if (Uri.IsWellFormedUriString(s, UriKind.Absolute) == false
+                || Uri.TryCreate(s, UriKind.Absolute, out uri) == false)
             {
                 if (tryParse) return false;
                 throw new FormatException(string.Format("String \"{0}\" is not a valid udi.", s));
@@ -114,7 +135,7 @@ namespace Umbraco.Core
 
             var entityType = uri.Host;
             UdiType udiType;
-            if (!UdiTypes.TryGetValue(entityType, out udiType))
+            if (UdiTypes.Value.TryGetValue(entityType, out udiType) == false)
             {
                 if (tryParse) return false;
                 throw new FormatException(string.Format("Unknown entity type \"{0}\".", entityType));
@@ -128,7 +149,7 @@ namespace Umbraco.Core
                     return true;
                 }
                 Guid guid;
-                if (!Guid.TryParse(path, out guid))
+                if (Guid.TryParse(path, out guid) == false)
                 {
                     if (tryParse) return false;
                     throw new FormatException(string.Format("String \"{0}\" is not a valid udi.", s));
@@ -150,7 +171,7 @@ namespace Umbraco.Core
             return RootUdis.GetOrAdd(entityType, x =>
             {
                 UdiType udiType;
-                if (!UdiTypes.TryGetValue(x, out udiType))
+                if (UdiTypes.Value.TryGetValue(x, out udiType) == false)
                     throw new ArgumentException(string.Format("Unknown entity type \"{0}\".", entityType));
                 return udiType == UdiType.StringUdi
                     ? (Udi)new StringUdi(entityType, string.Empty)
@@ -177,7 +198,7 @@ namespace Umbraco.Core
         public static Udi Create(string entityType, string id)
         {
             UdiType udiType;
-            if (!UdiTypes.TryGetValue(entityType, out udiType))
+            if (UdiTypes.Value.TryGetValue(entityType, out udiType) == false)
                 throw new ArgumentException(string.Format("Unknown entity type \"{0}\".", entityType), "entityType");
             if (string.IsNullOrWhiteSpace(id))
                 throw new ArgumentException("Value cannot be null or whitespace.", "id");
@@ -196,7 +217,7 @@ namespace Umbraco.Core
         public static Udi Create(string entityType, Guid id)
         {
             UdiType udiType;
-            if (!UdiTypes.TryGetValue(entityType, out udiType))
+            if (UdiTypes.Value.TryGetValue(entityType, out udiType) == false)
                 throw new ArgumentException(string.Format("Unknown entity type \"{0}\".", entityType), "entityType");
             if (udiType != UdiType.GuidUdi)
                 throw new InvalidOperationException(string.Format("Entity type \"{0}\" does not have guid udis.", entityType));
@@ -208,7 +229,7 @@ namespace Umbraco.Core
         internal static Udi Create(Uri uri)
         {
             UdiType udiType;
-            if (!UdiTypes.TryGetValue(uri.Host, out udiType))
+            if (UdiTypes.Value.TryGetValue(uri.Host, out udiType) == false)
                 throw new ArgumentException(string.Format("Unknown entity type \"{0}\".", uri.Host), "uri");
             if (udiType == UdiType.GuidUdi)
                 return new GuidUdi(uri);
@@ -219,7 +240,7 @@ namespace Umbraco.Core
 
         public void EnsureType(params string[] validTypes)
         {
-            if (!validTypes.Contains(EntityType))
+            if (validTypes.Contains(EntityType) == false)
                 throw new Exception(string.Format("Unexpected entity type \"{0}\".", EntityType));
         }
 
@@ -260,7 +281,7 @@ namespace Umbraco.Core
 
         public static bool operator !=(Udi udi1, Udi udi2)
         {
-            return !(udi1 == udi2);
+            return (udi1 == udi2) == false;
         }
     }
 

src/Umbraco.Core/UdiEntityType.cs

@@ -7,52 +7,82 @@ namespace Umbraco.Core
 
     public static partial class Constants
     {
-
         /// <summary>
         /// Defines well-known entity types.
         /// </summary>
         /// <remarks>Well-known entity types are those that Deploy already knows about,
         /// but entity types are strings and so can be extended beyond what is defined here.</remarks>
-        public static class DeployEntityType
+        public static class UdiEntityType
         {
+            [UdiType(UdiType.Unknown)]
+            public const string Unknown = "unknown";
+
             // guid entity types
 
+            [UdiType(UdiType.GuidUdi)]
             public const string AnyGuid = "any-guid"; // that one is for tests
 
+            [UdiType(UdiType.GuidUdi)]
             public const string Document = "document";
+            [UdiType(UdiType.GuidUdi)]
             public const string Media = "media";
+            [UdiType(UdiType.GuidUdi)]
             public const string Member = "member";
 
+            [UdiType(UdiType.GuidUdi)]
             public const string DictionaryItem = "dictionary-item";
+            [UdiType(UdiType.GuidUdi)]
             public const string Macro = "macro";
+            [UdiType(UdiType.GuidUdi)]
             public const string Template = "template";
 
+            [UdiType(UdiType.GuidUdi)]
             public const string DocumentType = "document-type";
+            [UdiType(UdiType.GuidUdi)]
             public const string DocumentTypeContainer = "document-type-container";
+            [UdiType(UdiType.GuidUdi)]
             public const string MediaType = "media-type";
+            [UdiType(UdiType.GuidUdi)]
             public const string MediaTypeContainer = "media-type-container";
+            [UdiType(UdiType.GuidUdi)]
             public const string DataType = "data-type";
+            [UdiType(UdiType.GuidUdi)]
             public const string DataTypeContainer = "data-type-container";
+            [UdiType(UdiType.GuidUdi)]
             public const string MemberType = "member-type";
+            [UdiType(UdiType.GuidUdi)]
             public const string MemberGroup = "member-group";
 
+            [UdiType(UdiType.GuidUdi)]
             public const string RelationType = "relation-type";
-            
+
             // forms
+
+            [UdiType(UdiType.GuidUdi)]
             public const string FormsForm = "forms-form";
+            [UdiType(UdiType.GuidUdi)]
             public const string FormsPreValue = "forms-prevalue";
+            [UdiType(UdiType.GuidUdi)]
             public const string FormsDataSource = "forms-datasource";
 
             // string entity types
 
+            [UdiType(UdiType.StringUdi)]
             public const string AnyString = "any-string"; // that one is for tests
 
+            [UdiType(UdiType.StringUdi)]
             public const string MediaFile = "media-file";
+            [UdiType(UdiType.StringUdi)]
             public const string TemplateFile = "template-file";
+            [UdiType(UdiType.StringUdi)]
             public const string Script = "script";
+            [UdiType(UdiType.StringUdi)]
             public const string Stylesheet = "stylesheet";
+            [UdiType(UdiType.StringUdi)]
             public const string PartialView = "partial-view";
+            [UdiType(UdiType.StringUdi)]
             public const string PartialViewMacro = "partial-view-macro";
+            [UdiType(UdiType.StringUdi)]
             public const string Xslt = "xslt";
 
             public static string FromUmbracoObjectType(UmbracoObjectTypes umbracoObjectType)
@@ -141,6 +171,15 @@ namespace Umbraco.Core
             }
         }
 
+        [AttributeUsage(AttributeTargets.Field)]
+        internal class UdiTypeAttribute : Attribute
+        {
+            public UdiType UdiType { get; private set; }
 
+            public UdiTypeAttribute(UdiType udiType)
+            {
+                UdiType = udiType;
+            }
+        }
     }
 }

src/Umbraco.Core/UdiGetterExtensions.cs

@@ -17,7 +17,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this ITemplate entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.Template, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.Template, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -28,7 +28,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IContentType entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.DocumentType, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.DocumentType, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -39,7 +39,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IMediaType entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.MediaType, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.MediaType, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -50,7 +50,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IMemberType entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.MemberType, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.MemberType, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -61,7 +61,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IMemberGroup entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.MemberGroup, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.MemberGroup, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -74,9 +74,9 @@ namespace Umbraco.Core
             if (entity == null) throw new ArgumentNullException("entity");
 
             string type;
-            if (entity is IContentType) type = Constants.DeployEntityType.DocumentType;
-            else if (entity is IMediaType) type = Constants.DeployEntityType.MediaType;
-            else if (entity is IMemberType) type = Constants.DeployEntityType.MemberType;
+            if (entity is IContentType) type = Constants.UdiEntityType.DocumentType;
+            else if (entity is IMediaType) type = Constants.UdiEntityType.MediaType;
+            else if (entity is IMemberType) type = Constants.UdiEntityType.MemberType;
             else throw new NotSupportedException(string.Format("Composition type {0} is not supported.", entity.GetType().FullName));
             return new GuidUdi(type, entity.Key).EnsureClosed();
         }
@@ -89,7 +89,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IDataTypeDefinition entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.DataType, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.DataType, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -103,11 +103,11 @@ namespace Umbraco.Core
 
             string entityType;
             if (entity.ContainedObjectType == Constants.ObjectTypes.DataTypeGuid)
-                entityType = Constants.DeployEntityType.DataTypeContainer;
+                entityType = Constants.UdiEntityType.DataTypeContainer;
             else if (entity.ContainedObjectType == Constants.ObjectTypes.DocumentTypeGuid)
-                entityType = Constants.DeployEntityType.DocumentTypeContainer;
+                entityType = Constants.UdiEntityType.DocumentTypeContainer;
             else if (entity.ContainedObjectType == Constants.ObjectTypes.MediaTypeGuid)
-                entityType = Constants.DeployEntityType.MediaTypeContainer;
+                entityType = Constants.UdiEntityType.MediaTypeContainer;
             else
                 throw new NotSupportedException(string.Format("Contained object type {0} is not supported.", entity.ContainedObjectType));
             return new GuidUdi(entityType, entity.Key).EnsureClosed();
@@ -121,7 +121,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IMedia entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.Media, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.Media, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -132,7 +132,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IContent entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.Document, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.Document, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -143,7 +143,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IMember entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.Member, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.Member, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -154,7 +154,7 @@ namespace Umbraco.Core
         public static StringUdi GetUdi(this Stylesheet entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new StringUdi(Constants.DeployEntityType.Stylesheet, entity.Path.TrimStart('/')).EnsureClosed();
+            return new StringUdi(Constants.UdiEntityType.Stylesheet, entity.Path.TrimStart('/')).EnsureClosed();
         }
 
         /// <summary>
@@ -165,7 +165,7 @@ namespace Umbraco.Core
         public static StringUdi GetUdi(this Script entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new StringUdi(Constants.DeployEntityType.Script, entity.Path.TrimStart('/')).EnsureClosed();
+            return new StringUdi(Constants.UdiEntityType.Script, entity.Path.TrimStart('/')).EnsureClosed();
         }
 
         /// <summary>
@@ -176,7 +176,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IDictionaryItem entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.DictionaryItem, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.DictionaryItem, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -187,7 +187,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IMacro entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.Macro, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.Macro, entity.Key).EnsureClosed();
         }
 
         /// <summary>
@@ -198,7 +198,7 @@ namespace Umbraco.Core
         public static StringUdi GetUdi(this IPartialView entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new StringUdi(Constants.DeployEntityType.PartialView, entity.Path.TrimStart('/')).EnsureClosed();
+            return new StringUdi(Constants.UdiEntityType.PartialView, entity.Path.TrimStart('/')).EnsureClosed();
         }
 
         /// <summary>
@@ -209,7 +209,7 @@ namespace Umbraco.Core
         public static StringUdi GetUdi(this IXsltFile entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new StringUdi(Constants.DeployEntityType.Xslt, entity.Path.TrimStart('/')).EnsureClosed();
+            return new StringUdi(Constants.UdiEntityType.Xslt, entity.Path.TrimStart('/')).EnsureClosed();
         }
 
         /// <summary>
@@ -222,9 +222,9 @@ namespace Umbraco.Core
             if (entity == null) throw new ArgumentNullException("entity");
 
             string type;
-            if (entity is IContent) type = Constants.DeployEntityType.Document;
-            else if (entity is IMedia) type = Constants.DeployEntityType.Media;
-            else if (entity is IMember) type = Constants.DeployEntityType.Member;
+            if (entity is IContent) type = Constants.UdiEntityType.Document;
+            else if (entity is IMedia) type = Constants.UdiEntityType.Media;
+            else if (entity is IMember) type = Constants.UdiEntityType.Member;
             else throw new NotSupportedException(string.Format("ContentBase type {0} is not supported.", entity.GetType().FullName));
             return new GuidUdi(type, entity.Key).EnsureClosed();
         }
@@ -237,7 +237,7 @@ namespace Umbraco.Core
         public static GuidUdi GetUdi(this IRelationType entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new GuidUdi(Constants.DeployEntityType.RelationType, entity.Key).EnsureClosed();
+            return new GuidUdi(Constants.UdiEntityType.RelationType, entity.Key).EnsureClosed();
         }
 
         /// <summary>

src/Umbraco.Core/UdiTypeConverter.cs

@@ -0,0 +1,37 @@
+using System;
+using System.ComponentModel;
+using System.Globalization;
+
+namespace Umbraco.Core
+{
+    /// <summary>
+    /// A custom type converter for UDI
+    /// </summary>
+    /// <remarks>
+    /// Primarily this is used so that WebApi can auto-bind a string parameter to a UDI instance
+    /// </remarks>
+    internal class UdiTypeConverter : TypeConverter
+    {
+        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
+        {
+            if (sourceType == typeof(string))
+            {
+                return true;
+            }
+            return base.CanConvertFrom(context, sourceType);
+        }
+
+        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
+        {
+            if (value is string)
+            {
+                Udi udi;
+                if (Udi.TryParse((string)value, out udi))
+                {
+                    return udi;
+                }
+            }
+            return base.ConvertFrom(context, culture, value);
+        }
+    }
+}

src/Umbraco.Core/Umbraco.Core.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Umbraco.Core</RootNamespace>
     <AssemblyName>Umbraco.Core</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
@@ -39,15 +39,19 @@
   <ItemGroup>
     <Reference Include="AutoMapper, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="AutoMapper.Net4, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.Net4.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="HtmlAgilityPack, Version=1.4.9.0, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
-      <HintPath>..\packages\HtmlAgilityPack.1.4.9\lib\Net45\HtmlAgilityPack.dll</HintPath>
+    <Reference Include="HtmlAgilityPack, Version=1.4.9.5, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
+      <HintPath>..\packages\HtmlAgilityPack.1.4.9.5\lib\Net45\HtmlAgilityPack.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ImageProcessor, Version=2.5.2.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\ImageProcessor.2.5.2\lib\net45\ImageProcessor.dll</HintPath>
@@ -55,49 +59,64 @@
     </Reference>
     <Reference Include="log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
       <HintPath>..\packages\log4net.2.0.5\lib\net45-full\log4net.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.AspNet.Identity.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Identity.Core.2.2.1\lib\net45\Microsoft.AspNet.Identity.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.AspNet.Identity.Owin, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Identity.Owin.2.2.1\lib\net45\Microsoft.AspNet.Identity.Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.3.0.1\lib\net45\Microsoft.Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.3.0.1\lib\net45\Microsoft.Owin.Security.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security.Cookies, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.Cookies.3.0.1\lib\net45\Microsoft.Owin.Security.Cookies.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security.OAuth, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.OAuth.3.0.1\lib\net45\Microsoft.Owin.Security.OAuth.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="MiniProfiler, Version=2.1.0.0, Culture=neutral, PublicKeyToken=b44f9351044011a3, processorArchitecture=MSIL">
       <HintPath>..\packages\MiniProfiler.2.1.0\lib\net40\MiniProfiler.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="MySql.Data, Version=6.9.8.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, processorArchitecture=MSIL">
       <HintPath>..\packages\MySql.Data.6.9.8\lib\net45\MySql.Data.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Owin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f0ebd12fd5e55cc5, processorArchitecture=MSIL">
       <HintPath>..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Semver, Version=2.0.4.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Semver.2.0.4\lib\net452\Semver.dll</HintPath>
+      <HintPath>..\packages\Semver.2.0.4\lib\netstandard1.1\Semver.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Data.Entity" />
     <Reference Include="System.Data.SqlServerCe, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Data.SqlServerCe.Entity, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.Entity.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.DirectoryServices.AccountManagement" />
     <Reference Include="System.Drawing" />
@@ -163,6 +182,7 @@
     <Compile Include="Cache\DeepCloneRuntimeCacheProvider.cs" />
     <Compile Include="CodeAnnotations\FriendlyNameAttribute.cs" />
     <Compile Include="CodeAnnotations\UmbracoObjectTypeAttribute.cs" />
+    <Compile Include="CodeAnnotations\UmbracoUdiTypeAttribute.cs" />
     <Compile Include="CodeAnnotations\UmbracoWillObsoleteAttribute.cs" />
     <Compile Include="CodeAnnotations\UmbracoExperimentalFeatureAttribute.cs" />
     <Compile Include="CodeAnnotations\UmbracoProposedPublicAttribute.cs" />
@@ -198,6 +218,7 @@
     <Compile Include="Configuration\Dashboard\SectionElement.cs" />
     <Compile Include="Configuration\Dashboard\TabCollection.cs" />
     <Compile Include="Configuration\Dashboard\TabElement.cs" />
+    <Compile Include="Configuration\CoreDebug.cs" />
     <Compile Include="Configuration\FileSystemProviderElement.cs" />
     <Compile Include="Configuration\FileSystemProviderElementCollection.cs" />
     <Compile Include="Configuration\FileSystemProvidersSection.cs" />
@@ -289,7 +310,6 @@
     <Compile Include="Configuration\UmbracoSettings\WebRoutingElement.cs" />
     <Compile Include="Configuration\UmbracoVersion.cs" />
     <Compile Include="Attempt.cs" />
-    <Compile Include="Constants-DeployEntityType.cs" />
     <Compile Include="Constants-DeploySelector.cs" />
     <Compile Include="Constants-Examine.cs" />
     <Compile Include="Constants-Icons.cs" />
@@ -311,10 +331,14 @@
     <Compile Include="Deploy\ArtifactSignature.cs" />
     <Compile Include="Deploy\Difference.cs" />
     <Compile Include="Deploy\Direction.cs" />
-    <Compile Include="Deploy\IFileStore.cs" />
+    <Compile Include="Deploy\IFileType.cs" />
+    <Compile Include="Deploy\IFileTypeCollection.cs" />
     <Compile Include="Events\EventDefinitionFilter.cs" />
     <Compile Include="Events\IDeletingMediaFilesEventArgs.cs" />
     <Compile Include="Events\ScopeEventDispatcherBase.cs" />
+    <Compile Include="Events\ScopeLifespanMessagesFactory.cs" />
+    <Compile Include="IHttpContextAccessor.cs" />
+    <Compile Include="Models\PublishedContent\PublishedContentTypeConverter.cs" />
     <Compile Include="OrderedHashSet.cs" />
     <Compile Include="Events\UninstallPackageEventArgs.cs" />
     <Compile Include="Models\GridValue.cs" />
@@ -326,7 +350,6 @@
     <Compile Include="Deploy\IImageSourceParser.cs" />
     <Compile Include="Deploy\ILocalLinkParser.cs" />
     <Compile Include="Deploy\IMacroParser.cs" />
-    <Compile Include="Deploy\IPrettyArtifact.cs" />
     <Compile Include="Deploy\IPreValueConnector.cs" />
     <Compile Include="Deploy\IServiceConnector.cs" />
     <Compile Include="Deploy\IValueConnector.cs" />
@@ -424,9 +447,11 @@
     <Compile Include="Models\PartialViewType.cs" />
     <Compile Include="Models\PublicAccessEntry.cs" />
     <Compile Include="Models\PublicAccessRule.cs" />
+    <Compile Include="Models\PublishedContent\PublishedContentEnumerable.cs" />
     <Compile Include="Models\PublishedContent\PublishedContentWithKeyExtended.cs" />
     <Compile Include="Models\PublishedContent\PublishedContentWithKeyModel.cs" />
     <Compile Include="Models\PublishedContent\PublishedContentWithKeyWrapped.cs" />
+    <Compile Include="Models\Range.cs" />
     <Compile Include="Models\Rdbms\AccessDto.cs" />
     <Compile Include="Media\Exif\BitConverterEx.cs" />
     <Compile Include="Media\Exif\ExifBitConverter.cs" />
@@ -485,6 +510,7 @@
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenSixZero\AddIndexToCmsMemberLoginName.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenSixZero\AddIndexesToUmbracoRelationTables.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenSixZero\AddIndexToUmbracoNodePath.cs" />
+    <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenSixZero\AddIndexToUser2NodePermission.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenSixZero\AddRelationTypeUniqueIdColumn.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenSixZero\AddMacroUniqueIdColumn.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSevenSixZero\RemovePropertyDataIdIndex.cs" />
@@ -556,10 +582,21 @@
     <Compile Include="Persistence\UnitOfWork\ScopeUnitOfWorkProvider.cs" />
     <Compile Include="PropertyEditors\DecimalValidator.cs" />
     <Compile Include="PropertyEditors\PropertyEditorValueTypes.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\CheckboxListValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\DropdownListMultipleValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\DropdownListMultipleWithKeysValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\DropdownListValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\DropdownListWithKeysValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\EmailAddressValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\GridValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\DecimalValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\LabelValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\ImageCropperValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\MemberGroupPickerValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\RadioButtonListValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\SliderValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\TagsValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\UploadPropertyConverter.cs" />
     <Compile Include="Publishing\UnPublishedStatusType.cs" />
     <Compile Include="Publishing\UnPublishStatus.cs" />
     <Compile Include="SafeCallContext.cs" />
@@ -1440,9 +1477,11 @@
     <Compile Include="TypeHelper.cs" />
     <Compile Include="Udi.cs" />
     <Compile Include="UdiDefinitionAttribute.cs" />
+    <Compile Include="UdiEntityType.cs" />
     <Compile Include="UdiGetterExtensions.cs" />
     <Compile Include="UdiRange.cs" />
     <Compile Include="UdiType.cs" />
+    <Compile Include="UdiTypeConverter.cs" />
     <Compile Include="UmbracoApplicationBase.cs" />
     <Compile Include="Constants.cs" />
     <Compile Include="Constants-Applications.cs">

src/Umbraco.Core/app.config

@@ -32,4 +32,9 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup><system.data>
+    <DbProviderFactories>
+      <remove invariant="MySql.Data.MySqlClient" />
+      <add name="MySQL Data Provider" invariant="MySql.Data.MySqlClient" description=".Net Framework Data Provider for MySQL" type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data, Version=6.9.8.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d" />
+    </DbProviderFactories>
+  </system.data></configuration>

src/Umbraco.Core/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="AutoMapper" version="3.3.1" targetFramework="net45" />
-  <package id="HtmlAgilityPack" version="1.4.9" targetFramework="net45" />
+  <package id="HtmlAgilityPack" version="1.4.9.5" targetFramework="net45" />
   <package id="ImageProcessor" version="2.5.2" targetFramework="net45" />
   <package id="log4net" version="2.0.5" targetFramework="net45" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net45" />
@@ -12,9 +12,13 @@
   <package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net45" />
   <package id="MiniProfiler" version="2.1.0" targetFramework="net45" />
   <package id="MySql.Data" version="6.9.8" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net462" />
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
-  <package id="Semver" version="2.0.4" targetFramework="net462" />
+  <package id="Semver" version="2.0.4" targetFramework="net45" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
   <package id="SqlServerCE" version="4.0.0.1" targetFramework="net45" />
+  <package id="System.Runtime" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.Extensions" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.InteropServices" version="4.1.0" targetFramework="net45" />
+  <package id="System.Text.RegularExpressions" version="4.1.0" targetFramework="net45" />
 </packages>

src/Umbraco.Tests.Benchmarks/App.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
     </startup>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">

src/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj

@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Umbraco.Tests.Benchmarks</RootNamespace>
     <AssemblyName>Umbraco.Tests.Benchmarks</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
@@ -40,101 +40,55 @@
   <ItemGroup>
     <Reference Include="BenchmarkDotNet, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.0.9.9\lib\net45\BenchmarkDotNet.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="BenchmarkDotNet.Core, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.Core.0.9.9\lib\net45\BenchmarkDotNet.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="BenchmarkDotNet.Diagnostics.Windows, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.Diagnostics.Windows.0.9.9\lib\net45\BenchmarkDotNet.Diagnostics.Windows.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="BenchmarkDotNet.Toolchains.Roslyn, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.Toolchains.Roslyn.0.9.9\lib\net45\BenchmarkDotNet.Toolchains.Roslyn.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CodeAnalysis, Version=1.3.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.CodeAnalysis.Common.1.3.2\lib\net45\Microsoft.CodeAnalysis.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CodeAnalysis.CSharp, Version=1.3.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.CodeAnalysis.CSharp.1.3.2\lib\net45\Microsoft.CodeAnalysis.CSharp.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Diagnostics.Tracing.TraceEvent, Version=1.0.41.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Diagnostics.Tracing.TraceEvent.1.0.41\lib\net40\Microsoft.Diagnostics.Tracing.TraceEvent.dll</HintPath>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="System.AppContext, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.AppContext.4.1.0\lib\net46\System.AppContext.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System" />
     <Reference Include="System.Collections.Immutable, Version=1.2.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Collections.Immutable.1.2.0\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.ComponentModel.Composition" />
-    <Reference Include="System.Console, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Console.4.0.0\lib\net46\System.Console.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System.Core" />
     <Reference Include="System.Data.SqlServerCe, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Data.SqlServerCe.Entity, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.Entity.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Diagnostics.FileVersionInfo, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Diagnostics.FileVersionInfo.4.0.0\lib\net46\System.Diagnostics.FileVersionInfo.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Diagnostics.StackTrace, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Diagnostics.StackTrace.4.0.1\lib\net46\System.Diagnostics.StackTrace.dll</HintPath>
-    </Reference>
-    <Reference Include="System.IO.FileSystem, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.IO.FileSystem.4.0.1\lib\net46\System.IO.FileSystem.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.IO.FileSystem.Primitives, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.IO.FileSystem.Primitives.4.0.1\lib\net46\System.IO.FileSystem.Primitives.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Management" />
     <Reference Include="System.Numerics" />
-    <Reference Include="System.Reflection, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Reflection.4.1.0\lib\net462\System.Reflection.dll</HintPath>
-    </Reference>
     <Reference Include="System.Reflection.Metadata, Version=1.3.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Reflection.Metadata.1.3.0\lib\portable-net45+win8\System.Reflection.Metadata.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Runtime, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.4.1.0\lib\net462\System.Runtime.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Runtime.Extensions, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.Extensions.4.1.0\lib\net462\System.Runtime.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Runtime.InteropServices, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.InteropServices.4.1.0\lib\net462\System.Runtime.InteropServices.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Algorithms, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.Algorithms.4.2.0\lib\net461\System.Security.Cryptography.Algorithms.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Encoding, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.Encoding.4.0.0\lib\net46\System.Security.Cryptography.Encoding.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Primitives, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.Primitives.4.0.0\lib\net46\System.Security.Cryptography.Primitives.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.X509Certificates, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.X509Certificates.4.1.0\lib\net461\System.Security.Cryptography.X509Certificates.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Text.Encoding.CodePages, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Text.Encoding.CodePages.4.0.1\lib\net46\System.Text.Encoding.CodePages.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Threading.Tasks.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Threading.Tasks.Extensions.4.0.0\lib\portable-net45+win8+wp8+wpa81\System.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Threading.Thread, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Thread.4.0.0\lib\net46\System.Threading.Thread.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml.Linq" />
@@ -143,18 +97,6 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
-    <Reference Include="System.Xml.XmlDocument, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Xml.XmlDocument.4.0.1\lib\net46\System.Xml.XmlDocument.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Xml.XPath, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Xml.XPath.4.0.1\lib\net46\System.Xml.XPath.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Xml.XPath.XDocument, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Xml.XPath.XDocument.4.0.1\lib\net46\System.Xml.XPath.XDocument.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="LinqCastBenchmarks.cs" />
@@ -168,6 +110,7 @@
   <ItemGroup>
     <None Include="App.config" />
     <None Include="packages.config" />
+    <None Include="_TraceEventProgrammersGuide.docx" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Umbraco.Core\Umbraco.Core.csproj">
@@ -187,6 +130,10 @@
     <Analyzer Include="..\packages\Microsoft.CodeAnalysis.Analyzers.1.1.0\analyzers\dotnet\cs\Microsoft.CodeAnalysis.Analyzers.dll" />
     <Analyzer Include="..\packages\Microsoft.CodeAnalysis.Analyzers.1.1.0\analyzers\dotnet\cs\Microsoft.CodeAnalysis.CSharp.Analyzers.dll" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="TraceEvent.ReadMe.txt" />
+    <Content Include="TraceEvent.ReleaseNotes.txt" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>

src/Umbraco.Tests.Benchmarks/packages.config

@@ -10,45 +10,29 @@
   <package id="Microsoft.Diagnostics.Tracing.TraceEvent" version="1.0.41" targetFramework="net45" />
   <package id="Microsoft.SqlServer.Compact" version="4.0.8854.1" targetFramework="net45" />
   <package id="SqlServerCE" version="4.0.0.1" targetFramework="net45" />
-  <package id="System.AppContext" version="4.1.0" targetFramework="net462" />
-  <package id="System.Collections" version="4.0.11" targetFramework="net462" />
-  <package id="System.Collections.Concurrent" version="4.0.12" targetFramework="net462" />
-  <package id="System.Collections.Immutable" version="1.2.0" targetFramework="net462" />
-  <package id="System.Console" version="4.0.0" targetFramework="net462" />
-  <package id="System.Diagnostics.Debug" version="4.0.11" targetFramework="net462" />
-  <package id="System.Diagnostics.FileVersionInfo" version="4.0.0" targetFramework="net462" />
-  <package id="System.Diagnostics.StackTrace" version="4.0.1" targetFramework="net462" />
-  <package id="System.Diagnostics.Tools" version="4.0.1" targetFramework="net462" />
-  <package id="System.Dynamic.Runtime" version="4.0.11" targetFramework="net462" />
-  <package id="System.Globalization" version="4.0.11" targetFramework="net462" />
-  <package id="System.IO.FileSystem" version="4.0.1" targetFramework="net462" />
-  <package id="System.IO.FileSystem.Primitives" version="4.0.1" targetFramework="net462" />
-  <package id="System.Linq" version="4.1.0" targetFramework="net462" />
-  <package id="System.Linq.Expressions" version="4.1.0" targetFramework="net462" />
-  <package id="System.Reflection" version="4.1.0" targetFramework="net462" />
-  <package id="System.Reflection.Metadata" version="1.3.0" targetFramework="net462" />
-  <package id="System.Reflection.Primitives" version="4.0.1" targetFramework="net462" />
-  <package id="System.Resources.ResourceManager" version="4.0.1" targetFramework="net462" />
-  <package id="System.Runtime" version="4.1.0" targetFramework="net462" />
-  <package id="System.Runtime.Extensions" version="4.1.0" targetFramework="net462" />
-  <package id="System.Runtime.Handles" version="4.0.1" targetFramework="net462" />
-  <package id="System.Runtime.InteropServices" version="4.1.0" targetFramework="net462" />
-  <package id="System.Runtime.Numerics" version="4.0.1" targetFramework="net462" />
-  <package id="System.Security.Cryptography.Algorithms" version="4.2.0" targetFramework="net462" />
-  <package id="System.Security.Cryptography.Encoding" version="4.0.0" targetFramework="net462" />
-  <package id="System.Security.Cryptography.Primitives" version="4.0.0" targetFramework="net462" />
-  <package id="System.Security.Cryptography.X509Certificates" version="4.1.0" targetFramework="net462" />
-  <package id="System.Text.Encoding" version="4.0.11" targetFramework="net462" />
-  <package id="System.Text.Encoding.CodePages" version="4.0.1" targetFramework="net462" />
-  <package id="System.Text.Encoding.Extensions" version="4.0.11" targetFramework="net462" />
-  <package id="System.Threading" version="4.0.11" targetFramework="net462" />
-  <package id="System.Threading.Tasks" version="4.0.11" targetFramework="net462" />
+  <package id="System.Collections" version="4.0.11" targetFramework="net45" />
+  <package id="System.Collections.Concurrent" version="4.0.12" targetFramework="net45" />
+  <package id="System.Collections.Immutable" version="1.2.0" targetFramework="net45" />
+  <package id="System.Diagnostics.Debug" version="4.0.11" targetFramework="net45" />
+  <package id="System.Diagnostics.Tools" version="4.0.1" targetFramework="net45" />
+  <package id="System.Dynamic.Runtime" version="4.0.11" targetFramework="net45" />
+  <package id="System.Globalization" version="4.0.11" targetFramework="net45" />
+  <package id="System.Linq" version="4.1.0" targetFramework="net45" />
+  <package id="System.Linq.Expressions" version="4.1.0" targetFramework="net45" />
+  <package id="System.Reflection" version="4.1.0" targetFramework="net45" />
+  <package id="System.Reflection.Metadata" version="1.3.0" targetFramework="net45" />
+  <package id="System.Reflection.Primitives" version="4.0.1" targetFramework="net45" />
+  <package id="System.Resources.ResourceManager" version="4.0.1" targetFramework="net45" />
+  <package id="System.Runtime" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.Extensions" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.InteropServices" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.Numerics" version="4.0.1" targetFramework="net45" />
+  <package id="System.Text.Encoding" version="4.0.11" targetFramework="net45" />
+  <package id="System.Text.Encoding.Extensions" version="4.0.11" targetFramework="net45" />
+  <package id="System.Threading" version="4.0.11" targetFramework="net45" />
+  <package id="System.Threading.Tasks" version="4.0.11" targetFramework="net45" />
   <package id="System.Threading.Tasks.Extensions" version="4.0.0" targetFramework="net45" />
-  <package id="System.Threading.Tasks.Parallel" version="4.0.1" targetFramework="net462" />
-  <package id="System.Threading.Thread" version="4.0.0" targetFramework="net462" />
-  <package id="System.Xml.ReaderWriter" version="4.0.11" targetFramework="net462" />
-  <package id="System.Xml.XDocument" version="4.0.11" targetFramework="net462" />
-  <package id="System.Xml.XmlDocument" version="4.0.1" targetFramework="net462" />
-  <package id="System.Xml.XPath" version="4.0.1" targetFramework="net462" />
-  <package id="System.Xml.XPath.XDocument" version="4.0.1" targetFramework="net462" />
+  <package id="System.Threading.Tasks.Parallel" version="4.0.1" targetFramework="net45" />
+  <package id="System.Xml.ReaderWriter" version="4.0.11" targetFramework="net45" />
+  <package id="System.Xml.XDocument" version="4.0.11" targetFramework="net45" />
 </packages>

src/Umbraco.Tests/App.config

@@ -91,7 +91,7 @@
     </siteMap>
   </system.web>
 
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup>
   <runtime>
 
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">

src/Umbraco.Tests/IO/FileSystemProviderManagerTests.cs

@@ -21,6 +21,17 @@ namespace Umbraco.Tests.IO
 
             // media fs wants this
             ApplicationContext.Current = new ApplicationContext(CacheHelper.CreateDisabledCacheHelper(), new ProfilingLogger(Mock.Of<ILogger>(), Mock.Of<IProfiler>()));
+
+            // start clean
+            // because some tests will create corrupt or weird filesystems
+            FileSystemProviderManager.Current.Reset();
+        }
+
+        [TearDown]
+        public void TearDown()
+        {
+            // stay clean (see note in SetUp)
+            FileSystemProviderManager.Current.Reset();
         }
 
         [Test]
@@ -39,22 +50,53 @@ namespace Umbraco.Tests.IO
             Assert.NotNull(fs);
         }
 
-		[Test]
+        [Test]
+        public void Singleton_Typed_File_System()
+        {
+            var fs1 = FileSystemProviderManager.Current.GetFileSystemProvider<MediaFileSystem>();
+            var fs2 = FileSystemProviderManager.Current.GetFileSystemProvider<MediaFileSystem>();
+
+            Assert.AreSame(fs1, fs2);
+        }
+
+        [Test]
         public void Exception_Thrown_On_Invalid_Typed_File_System()
 		{
 			Assert.Throws<InvalidOperationException>(() => FileSystemProviderManager.Current.GetFileSystemProvider<InvalidTypedFileSystem>());
 		}
 
-	    /// <summary>
-	    /// Used in unit tests, for a typed file system we need to inherit from FileSystemWrapper and they MUST have a ctor
-	    /// that only accepts a base IFileSystem object
-	    /// </summary>
-	    internal class InvalidTypedFileSystem : FileSystemWrapper
+        [Test]
+        public void Exception_Thrown_On_NonConfigured_Typed_File_System()
+        {
+            // note: we need to reset the manager between tests else the Accept_Fallback test would corrupt that one
+            Assert.Throws<ArgumentException>(() => FileSystemProviderManager.Current.GetFileSystemProvider<NonConfiguredTypeFileSystem>());
+        }
+
+        [Test]
+        public void Accept_Fallback_On_NonConfigured_Typed_File_System()
+        {
+            var fs = FileSystemProviderManager.Current.GetFileSystemProvider<NonConfiguredTypeFileSystem>(() => new PhysicalFileSystem("~/App_Data/foo"));
+
+            Assert.NotNull(fs);
+        }
+
+        /// <summary>
+        /// Used in unit tests, for a typed file system we need to inherit from FileSystemWrapper and they MUST have a ctor
+        /// that only accepts a base IFileSystem object
+        /// </summary>
+        internal class InvalidTypedFileSystem : FileSystemWrapper
 	    {
-		    public InvalidTypedFileSystem(IFileSystem wrapped, string invalidParam) : base(wrapped)
-		    {
-		    }
+		    public InvalidTypedFileSystem(IFileSystem wrapped, string invalidParam)
+                : base(wrapped)
+		    { }
 	    }
 
+        [FileSystemProvider("noconfig")]
+        internal class NonConfiguredTypeFileSystem : FileSystemWrapper
+        {
+            public NonConfiguredTypeFileSystem(IFileSystem wrapped)
+                : base(wrapped)
+            { }
+        }
 	}
 }

src/Umbraco.Tests/IO/ShadowFileSystemTests.cs

@@ -336,8 +336,9 @@ namespace Umbraco.Tests.IO
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 ss.AddFile("path/to/some/dir/f1.txt", ms);
 
+            // file is only written to the shadow fs
             Assert.IsTrue(File.Exists(path + "/ShadowSystem/path/to/some/dir/f1.txt"));
-
+            Assert.IsFalse(File.Exists(path + "/ShadowTests/path/to/some/dir/f1.txt"));
             // let the shadow fs die
         }
 
@@ -376,6 +377,7 @@ namespace Umbraco.Tests.IO
             var path = IOHelper.MapPath("FileSysTests");
             var appdata = IOHelper.MapPath("App_Data");
             Directory.CreateDirectory(path);
+            Directory.CreateDirectory(appdata);
 
             var scopedFileSystems = false;
             var scopeProvider = MockScopeProvider(() => scopedFileSystems);
@@ -392,47 +394,47 @@ namespace Umbraco.Tests.IO
 
             // explicit shadow without scope does not work
             sw.Shadow(id = Guid.NewGuid());
-            Assert.IsTrue(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsTrue(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f2.txt", ms);
             Assert.IsTrue(fs.FileExists("sub/f2.txt"));
             sw.UnShadow(true);
             Assert.IsTrue(fs.FileExists("sub/f2.txt"));
-            Assert.IsFalse(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsFalse(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
 
             // shadow with scope but no complete does not complete
             scopedFileSystems = true; // pretend we have a scope
             var scope = new ShadowFileSystems(id = Guid.NewGuid(), swa);
-            Assert.IsTrue(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsTrue(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f3.txt", ms);
             Assert.IsFalse(fs.FileExists("sub/f3.txt"));
-            Assert.AreEqual(1, Directory.GetDirectories(appdata + "/Shadow").Length);
+            Assert.AreEqual(1, Directory.GetDirectories(appdata + "/TEMP/ShadowFs").Length);
             scope.Dispose();
             scopedFileSystems = false;
             Assert.IsFalse(fs.FileExists("sub/f3.txt"));
-            Assert.IsFalse(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsFalse(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
 
             // shadow with scope and complete does complete
             scopedFileSystems = true; // pretend we have a scope
             scope = new ShadowFileSystems(id = Guid.NewGuid(), swa);
-            Assert.IsTrue(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsTrue(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f4.txt", ms);
             Assert.IsFalse(fs.FileExists("sub/f4.txt"));
-            Assert.AreEqual(1, Directory.GetDirectories(appdata + "/Shadow").Length);
+            Assert.AreEqual(1, Directory.GetDirectories(appdata + "/TEMP/ShadowFs").Length);
             scope.Complete();
             scope.Dispose();
             scopedFileSystems = false;
-            TestHelper.TryAssert(() => Assert.AreEqual(0, Directory.GetDirectories(appdata + "/Shadow").Length));
+            TestHelper.TryAssert(() => Assert.AreEqual(0, Directory.GetDirectories(appdata + "/TEMP/ShadowFs").Length));
             Assert.IsTrue(fs.FileExists("sub/f4.txt"));
-            Assert.IsFalse(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsFalse(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
 
             // test scope for "another thread"
 
             scopedFileSystems = true; // pretend we have a scope
             scope = new ShadowFileSystems(id = Guid.NewGuid(), swa);
-            Assert.IsTrue(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsTrue(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f5.txt", ms);
             Assert.IsFalse(fs.FileExists("sub/f5.txt"));
@@ -448,7 +450,7 @@ namespace Umbraco.Tests.IO
             scope.Dispose();
             scopedFileSystems = false;
             Assert.IsTrue(fs.FileExists("sub/f5.txt"));
-            Assert.IsFalse(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsFalse(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
         }
 
         [Test]
@@ -473,7 +475,7 @@ namespace Umbraco.Tests.IO
 
             scopedFileSystems = true; // pretend we have a scope
             var scope = new ShadowFileSystems(id = Guid.NewGuid(), swa);
-            Assert.IsTrue(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsTrue(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f2.txt", ms);
             Assert.IsFalse(fs.FileExists("sub/f2.txt"));
@@ -489,7 +491,7 @@ namespace Umbraco.Tests.IO
             scope.Dispose();
             scopedFileSystems = false;
             Assert.IsTrue(fs.FileExists("sub/f2.txt"));
-            TestHelper.TryAssert(() => Assert.IsFalse(Directory.Exists(appdata + "/Shadow/" + id)));
+            TestHelper.TryAssert(() => Assert.IsFalse(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id)));
 
             string text;
             using (var s = fs.OpenFile("sub/f2.txt"))
@@ -522,7 +524,7 @@ namespace Umbraco.Tests.IO
 
             scopedFileSystems = true; // pretend we have a scope
             var scope = new ShadowFileSystems(id = Guid.NewGuid(), swa);
-            Assert.IsTrue(Directory.Exists(appdata + "/Shadow/" + id));
+            Assert.IsTrue(Directory.Exists(appdata + "/TEMP/ShadowFs/" + id));
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f2.txt", ms);
             Assert.IsFalse(fs.FileExists("sub/f2.txt"));
@@ -554,7 +556,7 @@ namespace Umbraco.Tests.IO
                 var e = ae.InnerExceptions[0];
                 Assert.IsNotNull(e.InnerException);
                 Assert.IsInstanceOf<AggregateException>(e);
-                ae = (AggregateException) e;
+                ae = (AggregateException)e;
 
                 Assert.AreEqual(1, ae.InnerExceptions.Count);
                 e = ae.InnerExceptions[0];
@@ -623,5 +625,387 @@ namespace Umbraco.Tests.IO
             providerMock.Setup(x => x.AmbientScope).Returns(scopeMock.Object);
             return providerMock.Object;
         }
+
+        /// <summary>
+        /// Check that GetFiles will return all files on the shadow, while returning
+        /// just one on each of the filesystems used by the shadow.
+        /// </summary>
+        [Test]
+        public void ShadowGetFiles()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f2.txt", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.txt", ms);
+
+            // Assert
+            // ensure we get 2 files from the shadow
+            var getFiles = ss.GetFiles(string.Empty);
+            Assert.AreEqual(2, getFiles.Count());
+
+            var fsFiles = fs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(1, fsFiles.Length);
+            var sfsFiles = sfs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(1, sfsFiles.Length);
+        }
+
+        /// <summary>
+        /// Check that GetFiles using the filter function with empty string will return expected results
+        /// </summary>
+        [Test]
+        public void ShadowGetFilesUsingEmptyFilter()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f2.txt", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.txt", ms);
+
+            // Assert
+            // ensure we get 2 files from the shadow
+            var getFiles = ss.GetFiles(string.Empty);
+            Assert.AreEqual(2, getFiles.Count());
+            // ensure we get 0 files when using a empty filter
+            var getFilesWithEmptyFilter = ss.GetFiles(string.Empty, "");
+            Assert.AreEqual(0, getFilesWithEmptyFilter.Count());
+
+            var fsFiles = fs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(1, fsFiles.Length);
+            var sfsFiles = sfs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(1, sfsFiles.Length);
+        }
+
+        /// <summary>
+        /// Check that GetFiles using the filter function with null will return expected results
+        /// </summary>
+        [Test]
+        public void ShadowGetFilesUsingNullFilter()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f2.txt", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.txt", ms);
+
+            // Assert
+            // ensure we get 2 files from the shadow
+            var getFiles = ss.GetFiles(string.Empty);
+            Assert.AreEqual(2, getFiles.Count());
+            // ensure we get 2 files when using null in filter parameter
+            var getFilesWithNullFilter = ss.GetFiles(string.Empty, null);
+            Assert.AreEqual(2, getFilesWithNullFilter.Count());
+
+            var fsFiles = fs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(1, fsFiles.Length);
+            var sfsFiles = sfs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(1, sfsFiles.Length);
+        }
+
+        [Test]
+        public void ShadowGetFilesUsingWildcardFilter()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f2.txt", "foo");
+            File.WriteAllText(path + "/ShadowTests/f2.doc", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.txt", ms);
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.doc", ms);
+
+            // Assert
+            // ensure we get 4 files from the shadow
+            var getFiles = ss.GetFiles(string.Empty);
+            Assert.AreEqual(4, getFiles.Count());
+            // ensure we get only 2 of 4 files from the shadow when using filter
+            var getFilesWithWildcardFilter = ss.GetFiles(string.Empty, "*.doc");
+            Assert.AreEqual(2, getFilesWithWildcardFilter.Count());
+
+            var fsFiles = fs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(2, fsFiles.Length);
+            var sfsFiles = sfs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(2, sfsFiles.Length);
+        }
+
+        [Test]
+        public void ShadowGetFilesUsingSingleCharacterFilter()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f2.txt", "foo");
+            File.WriteAllText(path + "/ShadowTests/f2.doc", "foo");
+            File.WriteAllText(path + "/ShadowTests/f2.docx", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.txt", ms);
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.doc", ms);
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.docx", ms);
+
+            // Assert
+            // ensure we get 6 files from the shadow
+            var getFiles = ss.GetFiles(string.Empty);
+            Assert.AreEqual(6, getFiles.Count());
+            // ensure we get only 2 of 6 files from the shadow when using filter on shadow
+            var getFilesWithWildcardSinglecharFilter = ss.GetFiles(string.Empty, "f1.d?c");
+            Assert.AreEqual(1, getFilesWithWildcardSinglecharFilter.Count());
+            // ensure we get only 2 of 6 files from the shadow when using filter on disk
+            var getFilesWithWildcardSinglecharFilter2 = ss.GetFiles(string.Empty, "f2.d?c");
+            Assert.AreEqual(1, getFilesWithWildcardSinglecharFilter2.Count());
+
+            var fsFiles = fs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(3, fsFiles.Length);
+            var sfsFiles = sfs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(3, sfsFiles.Length);
+        }
+
+        [Test]
+        [Ignore("Does not work on all environments, Directory.GetFiles is broken.")]
+        public void ShadowGetFilesUsingWildcardAndSingleCharacterFilter()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f2.txt", "foo");
+            File.WriteAllText(path + "/ShadowTests/f2.doc", "foo");
+            File.WriteAllText(path + "/ShadowTests/f2.docx", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.txt", ms);
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.doc", ms);
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f1.docx", ms);
+
+            // Assert
+            // ensure we get 6 files from the shadow
+            var getFiles = ss.GetFiles(string.Empty);
+            Assert.AreEqual(6, getFiles.Count());
+            var getFilesWithWildcardSinglecharFilter = ss.GetFiles(string.Empty, "*.d?c");
+
+            Assert.AreEqual(4, getFilesWithWildcardSinglecharFilter.Count());
+            var getFilesWithWildcardSinglecharFilter2 = ss.GetFiles(string.Empty, "*.d?cx");
+            Assert.AreEqual(2, getFilesWithWildcardSinglecharFilter2.Count());
+
+            var fsFiles = fs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(3, fsFiles.Length);
+            var sfsFiles = sfs.GetFiles(string.Empty).ToArray();
+            Assert.AreEqual(3, sfsFiles.Length);
+        }
+
+        [Test]
+        [Ignore("Does not work on all environments, Directory.GetFiles is broken.")]
+        public void ShadowFileSystemFilterIsAsBrokenAsRealFileSystemFilter()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/filter");
+            // create files on disk and create a "fake" list of files to verify filters against
+            File.WriteAllText(path + "/filter/f1.txt", "foo");
+            File.WriteAllText(path + "/filter/f1.doc", "foo");
+            File.WriteAllText(path + "/filter/f1.docx", "foo");
+            var files = new string[]
+            {
+                "f1.txt",
+                "f1.doc",
+                "f1.docx",
+            };
+            var filter1 = "";
+            var filter2 = "*";
+            var filter3 = "*.doc";
+            var filter4 = "*.d?c";
+            var filter5 = "f1.doc";
+            var filter6 = "f1.d?c";
+            var filter7 = "**.d?c";
+            var filter8 = "f*.doc";
+
+            // Act & Assert
+            var result1Disk = Directory.GetFiles(path + "/filter/", filter1).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result1Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter1))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result1Disk, result1Fake);
+            var result2Disk = Directory.GetFiles(path + "/filter/", filter2).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result2Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter2))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result2Disk, result2Fake);
+            var result3Disk = Directory.GetFiles(path + "/filter/", filter3).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result3Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter3))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result3Disk, result3Fake);
+            var result4Disk = Directory.GetFiles(path + "/filter/", filter4).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result4Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter4))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result4Disk, result4Fake);
+            var result5Disk = Directory.GetFiles(path + "/filter/", filter5).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result5Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter5))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result5Disk, result5Fake);
+            var result6Disk = Directory.GetFiles(path + "/filter/", filter6).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result6Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter6))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result6Disk, result6Fake);
+            var result7Disk = Directory.GetFiles(path + "/filter/", filter7).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result7Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter7))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result7Disk, result7Fake);
+            var result8Disk = Directory.GetFiles(path + "/filter/", filter8).Select(Path.GetFileName).OrderBy(x => x).ToArray();
+            var result8Fake = files.Where(x => ShadowFileSystem.FilterByRegex(x, ShadowFileSystem.FilterToRegex(filter8))).OrderBy(x => x).ToArray();
+            Assert.AreEqual(result8Disk, result8Fake);
+        }
+
+        /// <summary>
+        /// Returns the full paths of the files on the disk.
+        /// Note that this will be the *actual* path of the file, meaning a file existing on the initialized FS
+        /// will be in one location, while a file written after initializing the shadow, will exist at the
+        /// shadow location directory.
+        /// </summary>
+        [Test]
+        public void ShadowGetFullPath()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f1.txt", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f2.txt", ms);
+
+            // Assert
+            var f1FullPath = ss.GetFullPath("f1.txt");
+            var f2FullPath = ss.GetFullPath("f2.txt");
+            Assert.AreEqual(Path.Combine(path, "ShadowTests", "f1.txt"), f1FullPath);
+            Assert.AreEqual(Path.Combine(path, "ShadowSystem", "f2.txt"), f2FullPath);
+        }
+
+        /// <summary>
+        /// Returns the path relative to the filesystem root
+        /// </summary>
+        /// <remarks>
+        /// This file stuff in this test is kinda irrelevant with the current implementation.
+        /// We do tests that the files are written to the correct places and the relative path is returned correct,
+        /// but GetRelativePath is currently really just string manipulation so files are not actually hit by the code.
+        /// Leaving the file stuff in here for now in case the method becomes more clever at some point.
+        /// </remarks>
+        [Test]
+        public void ShadowGetRelativePath()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "ignore");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "ignore");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f1.txt", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f2.txt", ms);
+
+            // Assert
+            var f1RelativePath = ss.GetRelativePath("f1.txt");
+            var f2RelativePath = ss.GetRelativePath("f2.txt");
+            Assert.AreEqual("f1.txt", f1RelativePath);
+            Assert.AreEqual("f2.txt", f2RelativePath);
+            Assert.IsTrue(File.Exists(Path.Combine(path, "ShadowTests", "f1.txt")));
+            Assert.IsFalse(File.Exists(Path.Combine(path, "ShadowTests", "f2.txt")));
+            Assert.IsTrue(File.Exists(Path.Combine(path, "ShadowSystem", "f2.txt")));
+            Assert.IsFalse(File.Exists(Path.Combine(path, "ShadowSystem", "f1.txt")));
+        }
+
+        /// <summary>
+        /// Ensure the url returned contains the path relative to the FS root,
+        /// but including the rootUrl the FS was initialized with.
+        /// </summary>
+        /// <remarks>
+        /// This file stuff in this test is kinda irrelevant with the current implementation.
+        /// We do tests that the files are written to the correct places and the url is returned correct,
+        /// but GetUrl is currently really just string manipulation so files are not actually hit by the code.
+        /// Leaving the file stuff in here for now in case the method becomes more clever at some point.
+        /// </remarks>
+        [Test]
+        public void ShadowGetUrl()
+        {
+            // Arrange
+            var path = IOHelper.MapPath("FileSysTests");
+            Directory.CreateDirectory(path);
+            Directory.CreateDirectory(path + "/ShadowTests");
+            Directory.CreateDirectory(path + "/ShadowSystem");
+
+            var fs = new PhysicalFileSystem(path + "/ShadowTests/", "rootUrl");
+            var sfs = new PhysicalFileSystem(path + "/ShadowSystem/", "rootUrl");
+            var ss = new ShadowFileSystem(fs, sfs);
+
+            // Act
+            File.WriteAllText(path + "/ShadowTests/f1.txt", "foo");
+            using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
+                ss.AddFile("f2.txt", ms);
+
+            // Assert
+            var f1Url = ss.GetUrl("f1.txt");
+            var f2Url = ss.GetUrl("f2.txt");
+            Assert.AreEqual("rootUrl/f1.txt", f1Url);
+            Assert.AreEqual("rootUrl/f2.txt", f2Url);
+            Assert.IsTrue(File.Exists(Path.Combine(path, "ShadowTests", "f1.txt")));
+            Assert.IsFalse(File.Exists(Path.Combine(path, "ShadowTests", "f2.txt")));
+            Assert.IsTrue(File.Exists(Path.Combine(path, "ShadowSystem", "f2.txt")));
+            Assert.IsFalse(File.Exists(Path.Combine(path, "ShadowSystem", "f1.txt")));
+        }
     }
 }

src/Umbraco.Tests/Persistence/Repositories/DataTypeDefinitionRepositoryTest.cs

@@ -441,7 +441,7 @@ namespace Umbraco.Tests.Persistence.Repositories
             {
 
                 // Act
-                var exists = repository.Exists(1034); //Content picker
+                var exists = repository.Exists(1046); //Content picker
                 var doesntExist = repository.Exists(-80);
 
                 // Assert

src/Umbraco.Tests/PropertyEditors/PropertyEditorValueConverterTests.cs

@@ -1,8 +1,7 @@
 using System;
+using System.Collections.Generic;
 using NUnit.Framework;
-using Umbraco.Core.PropertyEditors;
 using Umbraco.Core.PropertyEditors.ValueConverters;
-using Umbraco.Tests.TestHelpers;
 
 namespace Umbraco.Tests.PropertyEditors
 {
@@ -58,5 +57,44 @@ namespace Umbraco.Tests.PropertyEditors
 
             Assert.AreEqual(expected, result);
         }
-	}
+
+        [TestCase("apples", new[] { "apples" })]
+        [TestCase("apples,oranges", new[] { "apples", "oranges" })]
+        [TestCase(" apples, oranges, pears ", new[] { "apples", "oranges", "pears" })]
+        [TestCase("", new string[] { })]
+        [TestCase(null, new string[] { })]
+        public void CanConvertCheckboxListPropertyEditor(object value, IEnumerable<string> expected)
+        {
+            var converter = new CheckboxListValueConverter();
+            var result = converter.ConvertSourceToObject(null, value, false);
+
+            Assert.AreEqual(expected, result);
+        }
+
+        [TestCase("apples", new[] {"apples"})]
+        [TestCase("apples,oranges", new[] {"apples", "oranges"})]
+        [TestCase("apples , oranges, pears ", new[] {"apples", "oranges", "pears"})]
+        [TestCase("", new string[] {})]
+        [TestCase(null, new string[] {})]
+	    public void CanConvertDropdownListMultiplePropertyEditor(object value, IEnumerable<string> expected)
+	    {
+	        var converter = new DropdownListMultipleValueConverter();
+	        var result = converter.ConvertSourceToObject(null, value, false);
+
+            Assert.AreEqual(expected, result);
+	    }
+
+        [TestCase("100", new[] {100})]
+        [TestCase("100,200", new[] {100, 200})]
+        [TestCase("100 , 200, 300 ", new[] {100, 200, 300})]
+        [TestCase("", new int[] {})]
+        [TestCase(null, new int[] {})]
+	    public void CanConvertDropdownListMultipleWithKeysPropertyEditor(object value, IEnumerable<int> expected)
+	    {
+	        var converter = new DropdownListMultipleWithKeysValueConverter();
+	        var result = converter.ConvertDataToSource(null, value, false);
+
+            Assert.AreEqual(expected, result);
+	    }
+    }
 }

src/Umbraco.Tests/Scheduling/BackgroundTaskRunnerTests2.cs

@@ -0,0 +1,177 @@
+using System;
+using System.Diagnostics;
+using System.Threading;
+using System.Threading.Tasks;
+using NUnit.Framework;
+using Umbraco.Tests.Logging;
+using Umbraco.Web.Scheduling;
+
+namespace Umbraco.Tests.Scheduling
+{
+    [TestFixture]
+    [Timeout(60000)]
+    public class BackgroundTaskRunnerTests2
+    {
+        // this tests was used to debug a background task runner issue that was unearthed by Deploy,
+        // where work items would never complete under certain circumstances, due to threading issues.
+        // (fixed now)
+        //
+        [Test]
+        [Timeout(4000)]
+        public async Task ThreadResumeIssue()
+        {
+            var logger = new ConsoleLogger();
+            var runner = new BackgroundTaskRunner<IBackgroundTask>(new BackgroundTaskRunnerOptions { KeepAlive = true, LongRunning = true }, logger);
+            var work = new ThreadResumeIssueWorkItem();
+            runner.Add(work);
+
+            Console.WriteLine("running");
+            await Task.Delay(1000); // don't complete too soon
+
+            Console.WriteLine("completing");
+
+            // this never returned, never reached "completed" because the same thread
+            // resumed executing the waiting on queue operation in the runner
+            work.Complete();
+            Console.WriteLine("completed");
+
+            Console.WriteLine("done");
+        }
+
+        public class ThreadResumeIssueWorkItem : IBackgroundTask
+        {
+            private TaskCompletionSource<int> _completionSource;
+
+            public async Task RunAsync(CancellationToken token)
+            {
+                _completionSource = new TaskCompletionSource<int>();
+                token.Register(() => _completionSource.TrySetCanceled()); // propagate
+                Console.WriteLine("item running...");
+                await _completionSource.Task.ConfigureAwait(false);
+                Console.WriteLine("item returning");
+            }
+
+            public bool Complete(bool success = true)
+            {
+                Console.WriteLine("item completing");
+                // this never returned, see test
+                _completionSource.SetResult(0);
+                Console.WriteLine("item returning from completing");
+                return true;
+            }
+
+            public void Run()
+            {
+                throw new NotImplementedException();
+            }
+
+            public bool IsAsync { get { return true; } }
+
+            public void Dispose()
+            {}
+        }
+
+        [Test]
+        [Ignore("Only runs in the debugger.")]
+        public async Task DebuggerInterferenceIssue()
+        {
+            var logger = new ConsoleLogger();
+            var runner = new BackgroundTaskRunner<IBackgroundTask>(new BackgroundTaskRunnerOptions { KeepAlive = true, LongRunning = true }, logger);
+            var taskCompleted = false;
+            runner.TaskCompleted += (sender, args) =>
+            {
+                Console.WriteLine("runner task completed");
+                taskCompleted = true;
+            };
+            var work = new DebuggerInterferenceIssueWorkitem();
+
+            // add the workitem to the runner and wait until it is running
+            runner.Add(work);
+            work.Running.Wait();
+
+            // then wait a little bit more to ensure that the WhenAny has been entered
+            await Task.Delay(500);
+
+            // then break
+            // when the timeout triggers, we cannot handle it
+            // taskCompleted value does *not* change & nothing happens
+            Debugger.Break();
+
+            // release after 15s
+            // WhenAny should return the timeout task
+            // and then taskCompleted should turn to true
+            // = debugging does not prevent task completion
+
+            Console.WriteLine("*");
+            Assert.IsFalse(taskCompleted);
+            await Task.Delay(1000);
+            Console.WriteLine("*");
+            Assert.IsTrue(taskCompleted);
+        }
+
+        public class DebuggerInterferenceIssueWorkitem : IBackgroundTask
+        {
+            private readonly SemaphoreSlim _timeout = new SemaphoreSlim(0, 1);
+            private readonly ManualResetEventSlim _running = new ManualResetEventSlim(false);
+
+            private Timer _timer;
+
+            public ManualResetEventSlim Running { get { return _running; } }
+
+            public async Task RunAsync(CancellationToken token)
+            {
+                // timeout timer
+                _timer = new Timer(_ => { _timeout.Release(); });
+                _timer.Change(1000, 0);
+
+                var timeout = _timeout.WaitAsync(token);
+                var source = CancellationTokenSource.CreateLinkedTokenSource(token); // cancels when token cancels
+
+                _running.Set();
+                var task = WorkExecuteAsync(source.Token);
+                Console.WriteLine("execute");
+                var anyTask = await Task.WhenAny(task, timeout).ConfigureAwait(false);
+
+                Console.Write("anyTask: ");
+                Console.WriteLine(anyTask == timeout ? "timeout" : "task");
+
+                Console.WriteLine("return");
+            }
+
+            private async Task WorkExecuteAsync(CancellationToken token)
+            {
+                await Task.Delay(30000);
+            }
+
+            public void Run()
+            {
+                throw new NotImplementedException();
+            }
+
+            public bool IsAsync { get { return true; } }
+
+            public void Dispose()
+            { }
+        }
+
+        [Test]
+        [Ignore("Only runs in the debugger.")]
+        public void TimerDebuggerTest()
+        {
+            var triggered = false;
+            var timer = new Timer(_ => { triggered = true; });
+            timer.Change(1000, 0);
+            Debugger.Break();
+
+            // pause in debugger for 10s
+            // means the timer triggers while execution is suspended
+            // 'triggered' remains false all along
+            // then resume execution
+            // and 'triggered' becomes true, so the trigger "catches up"
+            // = debugging should not prevent triggered code from executing
+
+            Thread.Sleep(200);
+            Assert.IsTrue(triggered);
+        }
+    }
+}

src/Umbraco.Tests/Scheduling/DeployTest.cs

@@ -1,73 +0,0 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-using NUnit.Framework;
-using Umbraco.Tests.Logging;
-using Umbraco.Web.Scheduling;
-
-namespace Umbraco.Tests.Scheduling
-{
-    // THIS REPRODUCES THE DEPLOY ISSUE IN CORE
-    //
-    // the exact same thing also reproduces in playground
-    // so it's not a framework version issue - but something we're doing here
-
-    [TestFixture]
-    [Timeout(4000)]
-    public class Repro
-    {
-        [Test]
-        public async Task ReproduceDeployIssue()
-        {
-            var logger = new ConsoleLogger();
-            var runner = new BackgroundTaskRunner<IBackgroundTask>(new BackgroundTaskRunnerOptions { KeepAlive = true, LongRunning = true }, logger);
-            var work = new SimpleWorkItem();
-            runner.Add(work);
-
-            Console.WriteLine("running");
-            await Task.Delay(1000); // don't complete too soon
-
-            Console.WriteLine("completing");
-
-            // this never returns, never reached "completed" because the same thread
-            // resumes executing the waiting on queue operation in the runner
-            work.Complete();
-            Console.WriteLine("completed");
-
-            Console.WriteLine("done");
-        }
-
-        public class SimpleWorkItem : IBackgroundTask
-        {
-            private TaskCompletionSource<int> _completionSource;
-
-            public async Task RunAsync(CancellationToken token)
-            {
-                _completionSource = new TaskCompletionSource<int>();
-                token.Register(() => _completionSource.TrySetCanceled()); // propagate
-                Console.WriteLine("item running...");
-                await _completionSource.Task.ConfigureAwait(false);
-                Console.WriteLine("item returning");
-            }
-
-            public bool Complete(bool success = true)
-            {
-                Console.WriteLine("item completing");
-                // this never returns, see test
-                _completionSource.SetResult(0);
-                Console.WriteLine("item returning from completing");
-                return true;
-            }
-
-            public void Run()
-            {
-                throw new NotImplementedException();
-            }
-
-            public bool IsAsync { get { return true; } }
-
-            public void Dispose()
-            {}
-        }
-    }
-}

src/Umbraco.Tests/Scoping/ScopeFileSystemsTests.cs

@@ -32,6 +32,7 @@ namespace Umbraco.Tests.Scoping
 
         private static void ClearFiles()
         {
+            TestHelper.DeleteDirectory(IOHelper.MapPath("media"));
             TestHelper.DeleteDirectory(IOHelper.MapPath("FileSysTests"));
             TestHelper.DeleteDirectory(IOHelper.MapPath("App_Data"));
         }
@@ -43,6 +44,8 @@ namespace Umbraco.Tests.Scoping
             var physMediaFileSystem = new PhysicalFileSystem(IOHelper.MapPath("media"), "ignore");
             var mediaFileSystem = FileSystemProviderManager.Current.MediaFileSystem;
 
+            Assert.IsFalse(physMediaFileSystem.FileExists("f1.txt"));
+
             var scopeProvider = ApplicationContext.ScopeProvider;
             using (var scope = scopeProvider.CreateScope(scopeFileSystems: true))
             {