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
-alpha066
+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-alpha066")]
+[assembly: AssemblyInformationalVersion("7.6.0-alpha074")]

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

@@ -177,6 +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; }
@@ -326,5 +332,9 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
         {
             get { return EnableInheritedMediaTypes; }
         }
+        bool IContentSection.EnablePropertyValueConverters
+        {
+            get { return EnablePropertyValueConverters; }
+        }
     }
 }

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

@@ -69,5 +69,8 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
         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 "alpha066"; } }
+        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/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/EnumerableExtensions.cs

@@ -296,5 +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/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/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/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/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/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/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;
@@ -341,7 +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()
@@ -368,13 +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
@@ -493,5 +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/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/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/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" />
@@ -199,6 +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" />
@@ -318,6 +338,7 @@
     <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" />
@@ -426,9 +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" />
@@ -559,10 +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" />

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

@@ -377,13 +377,14 @@ 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);
 
             var fs = new PhysicalFileSystem(path, "ignore");
             var sw = new ShadowWrapper(fs, "shadow", scopeProvider);
-            var swa = new[] {sw};
+            var swa = new[] { sw };
 
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f1.txt", ms);
@@ -393,47 +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"));
@@ -449,7 +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]
@@ -464,7 +465,7 @@ namespace Umbraco.Tests.IO
 
             var fs = new PhysicalFileSystem(path, "ignore");
             var sw = new ShadowWrapper(fs, "shadow", scopeProvider);
-            var swa = new[] {sw};
+            var swa = new[] { sw };
 
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f1.txt", ms);
@@ -474,7 +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"));
@@ -490,7 +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"))
@@ -513,7 +514,7 @@ namespace Umbraco.Tests.IO
 
             var fs = new PhysicalFileSystem(path, "ignore");
             var sw = new ShadowWrapper(fs, "shadow", scopeProvider);
-            var swa = new[] {sw};
+            var swa = new[] { sw };
 
             using (var ms = new MemoryStream(Encoding.UTF8.GetBytes("foo")))
                 sw.AddFile("sub/f1.txt", ms);
@@ -523,7 +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"));
@@ -555,7 +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];
@@ -651,7 +652,7 @@ namespace Umbraco.Tests.IO
             // 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();
@@ -805,6 +806,7 @@ namespace Umbraco.Tests.IO
         }
 
         [Test]
+        [Ignore("Does not work on all environments, Directory.GetFiles is broken.")]
         public void ShadowGetFilesUsingWildcardAndSingleCharacterFilter()
         {
             // Arrange
@@ -845,6 +847,7 @@ namespace Umbraco.Tests.IO
         }
 
         [Test]
+        [Ignore("Does not work on all environments, Directory.GetFiles is broken.")]
         public void ShadowFileSystemFilterIsAsBrokenAsRealFileSystemFilter()
         {
             // Arrange

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))
             {

src/Umbraco.Tests/Services/ContentServiceTests.cs

@@ -1785,6 +1785,74 @@ namespace Umbraco.Tests.Services
             Assert.IsTrue(content.HasPublishedVersion());
         }
 
+        [Test]
+        public void Can_Get_Paged_Children()
+        {
+            var service = ServiceContext.ContentService;
+            // Start by cleaning the "db"
+            var umbTextPage = service.GetById(new Guid("B58B3AD4-62C2-4E27-B1BE-837BD7C533E0"));
+            service.Delete(umbTextPage);
+
+            var contentType = MockedContentTypes.CreateSimpleContentType();
+            ServiceContext.ContentTypeService.Save(contentType);
+            for (int i = 0; i < 10; i++)
+            {
+                var c1 = MockedContent.CreateSimpleContent(contentType);
+                ServiceContext.ContentService.Save(c1);
+            }
+            
+            long total;
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
+        [Test]
+        public void Can_Get_Paged_Children_Dont_Get_Descendants()
+        {
+            var service = ServiceContext.ContentService;
+            // Start by cleaning the "db"
+            var umbTextPage = service.GetById(new Guid("B58B3AD4-62C2-4E27-B1BE-837BD7C533E0"));
+            service.Delete(umbTextPage);
+
+            var contentType = MockedContentTypes.CreateSimpleContentType();
+            ServiceContext.ContentTypeService.Save(contentType);
+            // only add 9 as we also add a content with children 
+            for (int i = 0; i < 9; i++)
+            {
+                var c1 = MockedContent.CreateSimpleContent(contentType);
+                ServiceContext.ContentService.Save(c1);
+            }
+
+            var willHaveChildren = MockedContent.CreateSimpleContent(contentType);
+            ServiceContext.ContentService.Save(willHaveChildren);
+            for (int i = 0; i < 10; i++)
+            {
+                var c1 = MockedContent.CreateSimpleContent(contentType, "Content" + i, willHaveChildren.Id);
+                ServiceContext.ContentService.Save(c1);
+            }
+
+            long total;
+            // children in root including the folder - not the descendants in the folder
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+
+            // children in folder
+            entities = service.GetPagedChildren(willHaveChildren.Id, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(willHaveChildren.Id, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
         private IEnumerable<IContent> CreateContentHierarchy()
         {
             var contentType = ServiceContext.ContentTypeService.GetContentType("umbTextpage");

src/Umbraco.Tests/Services/MediaServiceTests.cs

@@ -145,6 +145,70 @@ namespace Umbraco.Tests.Services
             Assert.That(resolvedMedia.GetValue(Constants.Conventions.Media.File).ToString().Contains(mediaPath));
         }
 
+        [Test]
+        public void Can_Get_Paged_Children()
+        {
+            var mediaType = MockedContentTypes.CreateImageMediaType("Image2");
+            ServiceContext.ContentTypeService.Save(mediaType);
+            for (int i = 0; i < 10; i++)
+            {
+                var c1 = MockedMedia.CreateMediaImage(mediaType, -1);
+                ServiceContext.MediaService.Save(c1);
+            }
+
+            var service = ServiceContext.MediaService;
+
+            long total;
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
+        [Test]
+        public void Can_Get_Paged_Children_Dont_Get_Descendants()
+        {
+            var mediaType = MockedContentTypes.CreateImageMediaType("Image2");
+            ServiceContext.ContentTypeService.Save(mediaType);
+            // only add 9 as we also add a folder with children
+            for (int i = 0; i < 9; i++)
+            {
+                var m1 = MockedMedia.CreateMediaImage(mediaType, -1);
+                ServiceContext.MediaService.Save(m1);
+            }
+
+            var mediaTypeForFolder = MockedContentTypes.CreateImageMediaType("Folder2");
+            ServiceContext.ContentTypeService.Save(mediaTypeForFolder);
+            var mediaFolder = MockedMedia.CreateMediaFolder(mediaTypeForFolder, -1);
+            ServiceContext.MediaService.Save(mediaFolder);
+            for (int i = 0; i < 10; i++)
+            {
+                var m1 = MockedMedia.CreateMediaImage(mediaType, mediaFolder.Id);
+                ServiceContext.MediaService.Save(m1);
+            }
+
+            var service = ServiceContext.MediaService;
+
+            long total;
+            // children in root including the folder - not the descendants in the folder
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+
+            // children in folder
+            entities = service.GetPagedChildren(mediaFolder.Id, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(mediaFolder.Id, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
         private Tuple<IMedia, IMedia, IMedia, IMedia, IMedia> CreateTrashedTestMedia()
         {
             //Create and Save folder-Media -> 1050

src/Umbraco.Tests/TestHelpers/BaseDatabaseFactoryTest.cs

@@ -24,6 +24,7 @@ using Umbraco.Web.PublishedCache.XmlPublishedCache;
 using Umbraco.Web.Security;
 using umbraco.BusinessLogic;
 using Umbraco.Core.Events;
+using Umbraco.Core.IO;
 using Umbraco.Core.Scoping;
 
 namespace Umbraco.Tests.TestHelpers
@@ -110,6 +111,7 @@ namespace Umbraco.Tests.TestHelpers
             {
                 IsReady = true
             };
+
             return _appContext;
         }
 

src/Umbraco.Tests/TestHelpers/BaseUmbracoApplicationTest.cs

@@ -18,6 +18,7 @@ using Umbraco.Web;
 using Umbraco.Web.Models.Mapping;
 using umbraco.BusinessLogic;
 using Umbraco.Core.Events;
+using Umbraco.Core.IO;
 using Umbraco.Core.Scoping;
 
 namespace Umbraco.Tests.TestHelpers
@@ -150,6 +151,11 @@ namespace Umbraco.Tests.TestHelpers
         {
             var applicationContext = CreateApplicationContext();
             ApplicationContext.Current = applicationContext;
+
+            // FileSystemProviderManager captures the current ApplicationContext ScopeProvider
+            // in its current static instance (yea...) so we need to reset it here to ensure
+            // it is using the proper ScopeProvider
+            FileSystemProviderManager.Current.Reset();
         }
 
         protected virtual ApplicationContext CreateApplicationContext()
@@ -170,6 +176,7 @@ namespace Umbraco.Tests.TestHelpers
             {
                 IsReady = true
             };
+
             return applicationContext;
         }
 

src/Umbraco.Tests/Umbraco.Tests.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Umbraco.Tests</RootNamespace>
     <AssemblyName>Umbraco.Tests</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
@@ -92,9 +92,11 @@
       <HintPath>..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
     </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.Core" />
@@ -169,7 +171,7 @@
     <Compile Include="Persistence\PetaPocoExpressionsTests.cs" />
     <Compile Include="Persistence\Repositories\LockedRepositoryTests.cs" />
     <Compile Include="Persistence\Repositories\RedirectUrlRepositoryTests.cs" />
-    <Compile Include="Scheduling\DeployTest.cs" />
+    <Compile Include="Scheduling\BackgroundTaskRunnerTests2.cs" />
     <Compile Include="Routing\NiceUrlRoutesTests.cs" />
     <Compile Include="Scoping\EventNameExtractorTests.cs" />
     <Compile Include="Scoping\LeakTests.cs" />

src/Umbraco.Tests/packages.config

@@ -21,7 +21,11 @@
   <package id="NUnit" version="2.6.2" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="Selenium.WebDriver" version="2.32.0" 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.Web.UI.Client/bower.json

@@ -25,7 +25,7 @@
     "jquery-migrate": "1.4.0",
     "angular-dynamic-locale": "0.1.28",
     "ng-file-upload": "~7.3.8",
-    "tinymce": "~4.1.10",
+    "tinymce": "~4.5.3",
     "codemirror": "~5.3.0",
     "angular-local-storage": "~0.2.3",
     "moment": "~2.10.3",

src/Umbraco.Web.UI.Client/src/canvasdesigner/index.html

@@ -20,7 +20,10 @@
         <div class="fix-left-menu selected">
 
             <div class="avatar">
-                <img ng-src="../assets/img/application/logo.png">
+                <img
+                    ng-src="../assets/img/application/logo.png"
+                    ng-srcset="../assets/img/application/logo@2x.png 2x, 
+                    ../assets/img/application/logo@3x.png 3x" />
             </div>
 
             <ul class="sections" ng-class="{selected: showDevicesPreview}">