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Rich Lander
2015-12-01 19:32:50 -08:00
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.NET Framework 4.6 list of changes
==================================
.NET Framework 4.6 contains hundreds of bug fixes and improvements.
This list details those changes, grouped by feature area.
Each change includes our TFS bug numbers at the end of the line.
Please include those numbers in your communication if you wish to contact us to obtain more information.
CLR
---
* AppContext values can be overridden by registry settings. [1076165]
* Asmx service references can be added to store apps. [1078198]
* CrossGen and NGen create identical System.Core native images. [1033601]
* ICorProfilerCallback6 doesn't leak reference count. [1038285]
* Loading design-time metadata at debug time for universal Windows apps is supported. [1038300]
* Multi-core JIT doesn't deadlock from loop of structs and hang Visual Studio. [1043199]
* ICorDebug heap enumeration doesn't skip objects. [1063297]
* WinMDExp/CCI allow reading record kind 0x5/0x6. [1073349]
* ETW tracing for WebRequest works reliably when garbage collection happens. [1136690]
* Fixed a deadlock in case of StackOverflow. [1138065]
* Improved performance reading from the redirected output stream. [997190]
* Product version is correct in binaries' properties. [997577]
* RyuJIT is on by default. [10175592], [1020209]
* Only one GC/Start ETW event is triggered for each GC. [1020142]
* Fixed issue with wrong processor architecture being recorded on non-GAC assemblies, causing them to fail loading. [1020167]
* No opportunistic tail calls when there are pinned variables. [1020867]
* RyuJIT correctly handles edit and continue on instance synchronized methods. [1020967]
* Fixed x64 JIT assignment to struct, where LHS also appears on RHS. [1021056]
* CLR checks assembly architecture when skip IL loading feature is enabled. [1024293]
* Native images generated by CrossGen for .NET Framework have processor architecture data. [1028975]
* CLR emits all versions of the ModuleLoad/ModuleUnload ETW events. [1029164]
* Future DFL and FFL handled. [1030154]
* Unresolvable SID in SDSAM handled. [1030161]
* Crossgen / ReadyToRun images are treated as IL by CLR. [1084749]
* Fixed a RyuJIT regression causing System.Web.HttpApplication.ExecuteStep to incorrectly handle exceptions associated with redirections. [1088278]
* Setup doesn't disable CAPI2 event logs. [1090378]
* WindowsBase uses C# exception filters. [1090886]
* Libraries can define switches without modifying mscorlib. [1092007]
* No GC regions can be specified. [1096946]
* Fixed lock ordering violation between rejit lock and ETW rundown. [1104691]
* NGen compresses native images on devices with limited amount of disk space. [1107517]
* TargetFrameworkAttribute is not always null for non-default AppDomains. [430136]
* Sos.dll dumpheap reports correct TotalSize. [484532]
* Lc.exe can handle response files. [621761]
* MixedMode debugging a Windows Store C# application that calls a C++/CX WinRT component doesn't cause and access violation. [764121]
* Fixed access violation caused by WinRT class names without namespace. [738932]
* Fixed breaking change in COR_PRF_GC_ROOT_HANDLE values. [800872]
* Improved free list efficiency in Gen2 garbage collection. [841334]
* Made heap_of less expensive for server GC. [896400]
* GC datastructure isn't made unreasonably large when the new segment's address is far from the existing ones (64-bit). [897049]
* Win32Native.MEMORYSTATUSEX is a struct, not a class. [899371]
* Eliminated a deadlock condition in RuntimeResourceSet. [905813]
* _Delegate* also has IDispatch vtable entries for non-generic delegates. [922080]
* Module rundown events are generated before method rundown events, improving performance. [939400]
* CLR returns rejit info after first rejit. [952954]
* Fixed the performance for enums based on primitive integral types other than int while maintaining the roundtrip between 4.0 and 4.5. [965865]
* .NET Framework Setup UI correctly scales controls in high DPI. [968115]
* SIMD types in System.Numerics.dll are recognized by the JIT. [1168471]
BCL
---
* Projected DirectX value types can be marshalled to WinRT. [1166515]
* New WeakReference<T>() doesn't cause COMException. [973791]
* Persian calendar is a supported formatting calendar, correctly handles part of day formatting, and uses correct era names. [1068336], [1117304], [1154104], [1087763]
* DateTime Parse and TryParse behave the same on en-CA culture. [1117950]
* AAD has integrated check for the pooled connection. [1118488]
* French and Norwegian culture display name includes proper Unicode characters. [1147042]
* ConcurrentDictionary serialization format changed, but is upwards compatible from .NET Framework 4.5 to .NET Framework 4.6. [1167398]
* SqlBulkCopy truncates data before encrypting. [1159595]
* GetProviderSpecificValue returns proper data type for encrypted columns when underlying data is null. [1159595]
* French and Norwegian culture display name includes proper Unicode characters. [1147042]
* X509Certificate2 supports Cng key pairs. [1158068], [1129677]
* GDI+ reentrant paint operations fixed. [1075715]
* System.Diagnostics.ProcessStartInfo can be deserialized. [1076704]
* Culture resources added for newly supported Windows cultures. [1038210]
* Current culture and UI culture travel through async calls. [1038253]
* new TaskCompletionSource<T>(null, TaskCreationOptions.RunContinuationsAsynchronously) doesn't throw ArgumentOutOfRangeException. [1042823]
* WebSockets server doesn't cause false positive AccessViolation exceptions. [1064642]
* FrameworkEventSource doesn't crash on Windows 7. [1067139]
* EventSource.DecodeObject doesn't cause a crash on application launch. [1070394]
* GetCurrentProcess() doesn't throw a SecurityException in a partial trust component. [1071695]
* TimeZoneInfo correctly handles start and end of year transitions. [1072355]
* Connections made using SPN in managed code don't fail with index out of range exception. [1120248]
* XSD schema validation detects violation of unique constraint if compound key is used and one is empty. [1122756]
* SqlSessionStateStore logs exception details when partition resolver is used. [1123428]
* XsdDataContractImporter.Import method doesn't throw InvalidDataContractException when CanImport method returns true. [1124661]
* RangeCheck enforces practical limits in order to avoid stack overflow. [1127981]
* NetTcp with X509 certificates using SslStream allow negotiation for more secure cipher suites. [1128085]
* TrustManager doesn't cause false warnings when comparing certificates. [1134066]
* SqlBulkCopy works with TCE enabled columns. [1134668]
* System.Runtime.Serialization.Primitives expose new public read-only properties for previously internal data contract attributes. [1136078]
* Attribute.GetCustomAttributes doesn't throw AmbiguousMatchException when parameter types can disambiguate. [976721]
* WinRtToNetFxStreamAdapter implements SetLength correctly. [977936]
* Improved performance of System.IO.Path.GetFullPath and NormalizePath. [989059], [989062]
* Improved performance of System.Version.ToString and TryParseVersion. [989081], [989086]
* Security attributes added to Microsoft.JScriptEngine [991436]
* ControlVersionInfo.ProductVersion doesn't throw null reference exception. [997521]
* Encoding.GetEncoding gives clues about failure causes. [997703]
* Introduced 1, 2, and 3-argument overloads of String.Format with IFormatProvider first argument to improve performance. [999405]
* MemoryCache.AddOrGetExisting() checks the right expiration date. [999957]
* Exception.Data on Windows 8 includes IRestrictedErrorInfo information. [1000662]
* ReflectionModelServices.IsExportFactoryImportDefinition doesn't throw ArgumentException. [1005218]
* Private GetRuntimeResourceString method added back to maintain compatibility of CompositeC1 CMS. [1005727]
* AppDomainSetup.DynamicBase supported with UseRandomizedStringHashAlgorithm. [1008953]
* Win32Exception shows a generic error message for messages longer than 256 characters. [1013367]
* PreAuthenticate cache is effective beyond 100 URLs. [1014364]
* CngKey members such as IsEphemeral don't throw CryptographicException on unsupported properties. [1014482]
* Removed contention at BufferOutputAsyncStream for self-hosted WCF restful service using transfermode as Streamed. [1015747]
* Added Array.Empty<T>() to help avoid unnecessary allocations. [1020141]
* HttpWebRequest succeeds when used with tracing against HTTPS endpoints with elliptic curve cryptography. [1020499]
* JIT array of Single not initialized with Double values. [1027378]
* Parallel.Invoke with one delegate executes on the current thread instead of queueing the work. [1027413]
* SortOption uses the SortDirection passed in the constructor. [1030167]
* Fixed timezone conversion in cases when year start or end with daylight savings wasn't correctly handled. [1079914]
* Fixed AssemblyInformationalVersion. [1082536]
* Fixed serialization and de-serialization of DateTime with daylight savings and special values. [1087198]
* IO exceptions moved to System.Runtime. [1090978]
* CultureInfo.CurrentCulture setter works in APPX mode. [1091999]
* ParameterBuilder.SetConstant(null) doesn't throw argument exception for a nullable value type's default value. [1098429]
* GetClassLayout can be called from rejit instrumentation. [1101065]
* GetTypeForTypeID doesn't lock exe of the process being debugged. [1101402]
* Euro is now the currency for Lithuania. [1102772]
* Idnhost property of Uri class is now public. [1103357]
* Fixed issues from initial use of EventSource's activity tracing capability. [1103452]
* Fixed SqlHierarchyId operation failure due to invalid binary string. [1106619]
* ToolboxItem.Equals optimized. [1106966]
* Removed AppVerifier false positives in ISAPI mode. [1108193]
* SQL connection strings greater than 779 characters don't cause application crash. [1109784]
* Improved debuggability when users create incorrect EventSources. [1109972]
* AsyncLocal<T>.Value doesn't lose value when ExecutionContext is modified inside an async method. [1111403]
* Removed unused BinaryCompatibility.TargetsAtLeast_Desktop_v4_5_3 from System.Diagnostics.Eventing.EventSource and System.Xml. [1111861]
* SqlException can be caught. [1112280]
* System.Windows.Diagnostics.VisualDiagnostics.GetXamlSourceInfo supports non-DependencyObjects. [1116127]
* CancellationToken.Register doesn't throw ObjectDisposedException when its CancellationTokenSource is disposed. [369196]
* System.IO.Path performance improved by not boxing characters and then calling ToString. [467858]
* Subdomain cookies are correctly handled by CookieContainer. [520819]
* Decimal parsing can handle [-]0eN where N > 0. [568475]
* Fixed Lybian time zone daylight savings initial transition. [698652]
* Made BinaryCompatibility internal. [808512]
* Fixed InvalidDataException when using ZipArchive.GetEntry. [823402]
* Improved performance of System.Guid.ToString by using fast string allocation instead of new char[]. [825882]
* System.Threading.Gen2GcCallback finalizer checks for uninitialized GCHandle before using it. [837365]
* Fixed four unlocalized strings in DAN and JPN cultures. [840067]
* XmlEncodeRawTextWriter and XmlUTF8RawTextWriter are checking for invalid surrogate pairs correctly. [851030]
* Implemented public static unsafe Buffer.MemoryCopy. [862315]
* Improved performance of String.Format and StringBuilder.AppendFormat by avoiding object array allocations. [915876]
* Removed a bottleneck in System.ComponentModel.DataAnnotations.ValidationAttribute.IsValid by removing a lock. [921828]
* DpapiDataProtector doesn't fail because of SHA256.Create() when FIPS compliance is mandatory. [923431]
* Improved System.Design!System.ComponentModel.MenuCommandService.FindCommand by avoiding the boxing of Guids. [925312]
* Eliminated implicit allocationof WaitCallback objects by caching the delegate in a static field. [925992]
* Eliminated a hang in HttpClient when an exception is thrown during BeginRequestStream. [926740]
* Unix date time strings are now supported through DateTimeOffset.FromUnixTimeSeconds, FromUnixTimeMilliseconds, and ToUnixTimeMilliseconds. [933584]
* Improved performance by using StringBuilderCache in Environment.GetEnvironmentVariable. [934009]
* Fixed ArgumentOutOfRangeException in IPAddress.MapToIPv4(). [944709]
* Read-only interfaces are implemented on collection types HashSet<T>, LinkedList<T>, Queue<T>, SortedDictionary<TKey, TValue>, SortedList<TKey, TValue>, SortedSet<T>, and Stack<T>. [944715]
* AddOnSendingHeaders doesn't fire prematurely. [952802]
* EventSource doesn't aggressively fail when using reserved keywords. [955350]
* Eliminated a leak when calling IReflect.InvokeMemberon a native IDispatchEX implementation through IReflect or IExpando. [957933]
* IsolatedStorage feature works when configured to place storage on roaming profiles. [961127]
* Text encoding is extensible. [963034]
* Fixed the size of Vector<T>. [1020874]
* System.Drawing.Icon.ToBitmap() supports PNG framed icons. [1084802]
* Uri constructor doesn't throw ArgumentOutOfRangeException when parsing certain URIs with escaped international characters. [1173958]
ASP.NET
-------
* State Service startup type is correctly persisted. [1038077]
* Registry settings preserved during upgrade. [1038147]
* Medium trust in ASP.NET 4.5 application doesn't cause execution permission exception. [1038337]
* WebForm_DoCallback XHR doesn't break IDN support. [1040710]
* .NET quirks and compatibility switches can be specified in ASP.NET configuration file. [1041102]
* SignalR memory leak fixed. [1042247]
* Quirks can be activated from ASP.NET even when a TFM is not specified. [1068433]
* Membership UpdateUser and UpdateUserInfo don't cause SQL deadlock. [1131099]
* Handles aborted XmlHttpRequest correctly. [983362]
* ASP.NET allows config settings changes to affect CLR initialization. [994276]
* HttpEncoder.UrlPathEncode doesn't encode the IDN part of the URL. [995259]
* WebUIValidation.js correctly mapped on WebDev.WebServer 4.5.3. [998958]
* Background flushes don't cause pipeline corruptions when using the TAP-friendly synchronization context. [1020085]
* ASP.NET recognizes Edge browser. [1031688]
* Databinding methods can be used in async binding. [1082492]
* Removed a contention in System.Web.BufferAllocator. [1084913]
* Setting request headers doesn't initialize ServerVariables. [1085748]
* Fixed a crash in IIS Manager when opening content view. [1093488]
* New web site template doesn't cause warnings. [1099514]
* Browsing to an asmx file or wsdl with an IDN binding set in IIS doesn't cause a URI parsing exception. [110223]
* Request validation can be completely disabled in an application. [412689]
* EmailAddress attribute can load error message from resource. [468241]
* GridView.CreateChildControl returns the correct CreatedRowCount when CustomPaging is enabled. [782891]
* Custom output cache providers don't cause exception on cache policy settings serialization when more than one invalidation handler is present. [789904]
* VaryByContentEncoding is now case-insensitive. [830641]
* HttpContextWrapper.IsPostNotification returns the correct value based on pipeline event. [839206]
* HtmlTextWriter renders <br/> element as self-closing tag. [852940]
* Posting invalid payload to ASP.NET with trace and 4.0 request validation enabled doesn't crash the worker process. [867196]
* MemoryCache doesn't throw null reference expression when CacheItemPolicy.UpdateCallback is defined. [879799]
* DiskBuildResultCache.CacheBuildResult has a null check for CompiledResult.ResultAssembly. [880034]
* ContentDisposition constructor doesn't modify date values of the provided disposition string. [884362]
* Calling MachineKey.Decode on ASP.NET application start or on first request doesn't throw null reference exception. [896595]
* MemoryCache Trim method evicts all items. [902234]
* Overloads of HttpUtility.UrlEncode and UrlEncodeToBytes taking (byte[] bytes, int offset, int count) respects the offset and count parameter values. [912606]
* Setting culture to auto:* in web.config doesn't cause CultureNotFoundException. [714999]
WPF
---
* Selecting a XAML element with an empty start tag doesn't select its first child instead. [1117943]
* Retrieving the font family name for DengXian in WPF doesn't cause an argument exception. [1153238]
* Data grid row headers can be right-clicked without changing the current row selection. [1064465]
* GlyphRun.InkBoundingBox() and FormattedText.Extent return the same values. [1068545]
* RibbonGroup background is not transparent. [1119792], [1119821]
* PrintQueue.GetPrintCapabilities doesn't cause memory leak. [1134697]
* TreeView doesn't scroll to random position when nodes are expanded and collapsed repeatedly. [1137957]
* Running MultipleTopWindows cross AppDomain on Windows 8 and 10 doesn't throw. [1138471]
* Debugging WPF in browser application doesn't cause SecurityException in PresentationFramework.dll. [1145697]
* List virtualization doesn't cause crash in GitHub for Windows. [992770]
* Scrolling in virtualized DataGrid with items of different heights doesn't cause ArgumentNullException. [996725]
* WriteableBitmap isn't causing leaks of CWriteProtectedBitmap virtual memory. [997584]
* Selection doesn't incorrectly include the previously selected item when moving selection of ListBoxItem bound to ObservableCleection<T>. [999613]
* Fixed a UI thread deadlock in pen input code. [1010998]
* Margins set in sections in FlowDocuments are respected. [1104560]
* Scaling doesn't suffer from rounding errors on odd DPI. [1104807]
* Improved thread safety when loading the same XAML resource for the first time in multiple UI threads. [12520]
* Touch and stylus events don't stop firing after disconnecting then reconnecting to a remote desktop session. [659672]
* Fixed a bouncing scrollbar with custom WPF DataTemplate. [759702]
* GetFixedDocumentSequence doesn't throw with error message "UnicodeString property does not contain enough characters to correspond to the contents of Indices property." [796882]
* Fixed slow and jumping WPF TreeView issue. [810163]
* Fixed overflow exception in WPF System.ServiceModel.Channels.TransmissionStrategy.AddToWindow. [811734]
* Fixed InvalidOperationException in multithread application by synchronizing access to the static Stack<> that holds SerializationContext for recycling. [834091]
* Snapping and unsnapping the keyboard on a Surface Pro doesn't cause null reference exception in WPF touch input stack. [839668]
* TreeView doesn't vanish after node collapse and expand. [888530]
* Selected items in a WPF ListBox or ListView control are correct when items.refresh is called from code behind. [945407]
* Fixed performance regression in WPF applications caused by the loading of three additional assemblies. [946388]
* XamlBuildTask doesn't sporadically report error "Object '<generated-name>' has been disconnected or does not exist at the server" on TFS builds. [955825]
* Fixed exception at CaretElement.ConvertToInt32 in WPF TextBox.Focus. [958636]
* WPF uses the most recent distance threshold from the registry for recognizing double taps. [959263]
* WPF allows for transparent child windows. [959266]
* Fixed FlowDocument exception "this TextNavigator has no scoping text element." [960678]
* FlowDocument preserves spaces after being saved using XamlWrite. [960699]
* Improved UI scrolling when using a virtualized ListView with a pixel scroll unit. [965665]
* Fixed null reference exceptions in WPF System.Windows.Controls.ItemContainerGenerator.ContainerFromIndex. [966623]
* Improved touch services. [971187]
* Fixed RichTextBox spell checking issue with possessives. [1170165]
* Window chrome doesn't turn black on maximize with GlassFrameThickness -1. [1176703]
* Improved RichTextBox typing performance on low-end GPUs. [1177602]
* Applications continue to promote touch events to click after digitizer is removed and reconnected while touching the digitizer. [1186170]
WCF
---
* Adding a service reference to a class library doesn't cause compilation errors. [1063611]
* CustomBinding honors security header layout mode of Lax / LaxTimeStampLast. [1136398]
* DataContractSerializer doesn't throw InvalidCastException on StringDictionary serialization. [1008489]
* Fixed that WCF friendly instance names limited to 64 characters could cause false duplicates as instance names support up to 128 characters. [1022700]
* Roles.GetRolesForUser() doesn't throw NullReferenceException in a WCF service hosted in ASP.NET with the AspNetCompatibilityEnabled flag set to false. [1022754]
* ProcessMessage31 uses cached delegate for ProcessMessage4. [1030713]
* System.ServiceModel.Syndication.SyndicationFeed can parse <source url="..."/>. [1088425]
* Client certificate information is added as claim by default. [1103426]
* Warning message added if users enable "wcf:ensureUniquePerformanceCounterInstanceNames" app setting without the user hosting the service having the proper permissions. [1108004]
* Fixed null reference and access violation exceptions in System.ServiceModel.Channels.MessageHeaders.GetBufferedMessageHeaderReaderAtHeaderContents. [1116949]
* WebResponseInputStream doesn't swallow the exception stating that the stream doesn't support read timeouts. [288814]
* Auto-generated help produces correct links. [852865]
* Added a keep-alive timeout on WCF ServiceHost. [948289]
* Fixed a null reference exception in System.Runtime.Serialization when ETW is enabled. [1137758]
Entity Framework
----------------
* Entity data source can be configured without causing an exception about the provider not returning a ProviderManifest instance. [810937]
Workflow
--------
* WorkflowService design-time validation can be cancelled. [1162560]
* ActivityExecutor.OnExecuteWorkItem has improved performance on RyuJIT. [1136333], [1136377]
* Improvements to out-of-sequence calls in WF State Machine [1018947]
* Added synchronization to DynamicModuleManager to prevent debugger from crashing the debugged application. [1112002]
* Default TransactionException extended to include the distributed transaction ID in error message. [954268]
* Workflow Foundation implementation for SQL better handles transient database errors. [1152472]
Windows Forms
-------------
* Icon.ToBitmap() supports PNG framed icons. [1074253]
* Adding large image to resource file doesn't cause error in 300% high DPI mode. [1096726]
* System.Windows.Input.Cursor supports multi-image cursor files. [673619]
* Closing a parent form in MDI applications doesn't throw System.ComponentModel.Win32Exception (Error creating window handle) [847648]
* Fixed a null reference exception when messages continue arriving after a native tooltip window has been disposed. [933930]
* Using custom MessageFilter doesn't cause sporadic IndexOutOfRangeException in ThreadContext. [1072924]
* WIT grid's sorting arrows scale for high DPI. [745286]
* NumericUpDown scroll buttons scale for high DPI. [906184]

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```diff
---C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6
+++C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1
namespace System.ComponentModel.DataAnnotations {
public class RegularExpressionAttribute : ValidationAttribute {
+ public int MatchTimeoutInMilliseconds { get; set; }
}
}
namespace System.Data.SqlClient {
public enum SqlBulkCopyOptions {
+ AllowEncryptedValueModifications = 64,
}
public sealed class SqlColumnEncryptionCertificateStoreProvider : SqlColumnEncryptionKeyStoreProvider {
+ public const string ProviderName = "MSSQL_CERTIFICATE_STORE";
}
+ public class SqlColumnEncryptionCngProvider : SqlColumnEncryptionKeyStoreProvider {
+ public const string ProviderName = "MSSQL_CNG_STORE";
+ public SqlColumnEncryptionCngProvider();
+ public override byte[] DecryptColumnEncryptionKey(string masterKeyPath, string encryptionAlgorithm, byte[] encryptedColumnEncryptionKey);
+ public override byte[] EncryptColumnEncryptionKey(string masterKeyPath, string encryptionAlgorithm, byte[] columnEncryptionKey);
}
+ public class SqlColumnEncryptionCspProvider : SqlColumnEncryptionKeyStoreProvider {
+ public const string ProviderName = "MSSQL_CSP_PROVIDER";
+ public SqlColumnEncryptionCspProvider();
+ public override byte[] DecryptColumnEncryptionKey(string masterKeyPath, string encryptionAlgorithm, byte[] encryptedColumnEncryptionKey);
+ public override byte[] EncryptColumnEncryptionKey(string masterKeyPath, string encryptionAlgorithm, byte[] columnEncryptionKey);
}
public sealed class SqlConnectionStringBuilder : DbConnectionStringBuilder {
+ public bool TransparentNetworkIPResolution { get; set; }
}
}
namespace System.Diagnostics {
public sealed class ProcessStartInfo {
+ public string PasswordInClearText { get; set; }
}
}
namespace System.Drawing.Design {
public class ToolboxItem : ISerializable {
+ public Bitmap OriginalBitmap { get; set; }
}
}
namespace System.Net {
public abstract class TransportContext {
+ public virtual IEnumerable<TokenBinding> GetTlsTokenBindings();
}
}
namespace System.Security.Authentication.ExtendedProtection {
+ public class TokenBinding {
+ public TokenBindingType BindingType { get; }
+ public byte[] GetRawTokenBindingId();
}
+ public enum TokenBindingType {
+ Provided = 0,
+ Referred = 1,
}
}
namespace System.Security.Cryptography {
public abstract class ECDsa : AsymmetricAlgorithm {
+ protected virtual byte[] HashData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm);
+ protected virtual byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm);
+ public virtual byte[] SignData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm);
+ public virtual byte[] SignData(byte[] data, HashAlgorithmName hashAlgorithm);
+ public virtual byte[] SignData(Stream data, HashAlgorithmName hashAlgorithm);
+ public bool VerifyData(byte[] data, byte[] signature, HashAlgorithmName hashAlgorithm);
+ public virtual bool VerifyData(byte[] data, int offset, int count, byte[] signature, HashAlgorithmName hashAlgorithm);
+ public bool VerifyData(Stream data, byte[] signature, HashAlgorithmName hashAlgorithm);
}
public sealed class ECDsaCng : ECDsa {
+ protected override byte[] HashData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm);
+ protected override byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm);
}
}
namespace System.Security.Cryptography.X509Certificates {
+ public static class ECDsaCertificateExtensions {
+ public static ECDsa GetECDsaPrivateKey(this X509Certificate2 certificate);
+ public static ECDsa GetECDsaPublicKey(this X509Certificate2 certificate);
}
public enum X509ChainStatusFlags {
+ ExplicitDistrust = 67108864,
+ HasNotSupportedCriticalExtension = 134217728,
+ HasWeakSignature = 1048576,
}
}
namespace System.ServiceProcess {
public class ServiceController : Component {
+ public ServiceStartMode StartType { get; }
}
public enum ServiceStartMode {
+ Boot = 0,
+ System = 1,
}
}
namespace System.Transactions {
public class Transaction : IDisposable, ISerializable {
+ public Guid PromoterType { get; }
+ public bool EnlistPromotableSinglePhase(IPromotableSinglePhaseNotification promotableSinglePhaseNotification, Guid promoterType);
+ public byte[] GetPromotedToken();
+ public void SetDistributedTransactionIdentifier(IPromotableSinglePhaseNotification promotableNotification, Guid distributedTransactionIdentifier);
}
public static class TransactionInterop {
+ public static readonly Guid PromoterTypeDtc;
}
}
namespace System.Web.Security {
public class MembershipPasswordAttribute : ValidationAttribute {
+ public Nullable<int> PasswordStrengthRegexTimeout { get; set; }
}
}
namespace System.Web.UI.WebControls {
public class RegularExpressionValidator : BaseValidator {
+ public Nullable<int> MatchTimeout { get; set; }
}
}
namespace System.Windows {
public sealed class TextDecorationCollection : Animatable, ICollection, ICollection<TextDecoration>, IEnumerable, IEnumerable<TextDecoration>, IList, IList<TextDecoration> {
+ public bool TryRemove(IEnumerable<TextDecoration> textDecorations, out TextDecorationCollection result);
}
}
namespace System.Windows.Controls {
public class ScrollViewer : ContentControl {
+ protected override void OnStylusSystemGesture(StylusSystemGestureEventArgs e);
}
}
namespace System.Windows.Forms {
public class TextBox : TextBoxBase {
+ protected override bool ProcessCmdKey(ref Message m, Keys keyData);
}
}
namespace System.Xaml {
public class XamlObjectWriterSettings : XamlWriterSettings {
+ public Uri SourceBamlUri { get; set; }
}
}
```

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.NET Framework 4.6.1 list of changes
====================================
.NET Framework 4.6.1 contains dozens of bug fixes and improvements.
This list details those changes, grouped by feature area.
Each change includes our TFS bug numbers at the end of the line.
Please include those numbers in your communication if you wish to contact us to obtain more information.
CLR
---
* Ngen emits debug section mapping IL to native [145669]
* ICorProfiler implementations can apply metadata changes during rejit [145801]
* ICorProfilerInfo API gives access to PDB content for dynamic assemblies, so profilers can show source for callstack frames [145817]
* Fixed a x64 JIT bug in exception handling [93398]
* Windows runtime metadata export tool allows for major assembly versions greater than 255 [101784]
* Fixed out of order execution caused by byte packed class optimization [114744]
* CLR writes inner exception information to event log for unhandled exceptions [119369]
* Access violations are easier to debug [119373]
* Fixed access violation caused by incorrect spill reload of putarg_reg(this) [134106]
* Improved performance in EventSource manifest generation [134302]
* Check for OS AVX support before using AVX instructions [105782]
* Build properly fails when referring to non-generic EventHandler in public surface in managed winmd components [121641]
* Fixed a memory leak in native CLR CBindingInput [121931]
* Fixed a crash on attach/detach with IntelliTrace [141847]
* Windows runtime metadata export tool allows for C# UAP WinRT project to reference a C++ UAP WinRT project that references the mobile extensions SDK [142092]
* Fixed stack overflow in System.Numerics [143951]
* Fixed bad value numbering for pointer math leading to incorrect CSE optimization [143960]
* Fixed RyuJIT back-compat issue [143967]
* Fixed a case where a function could get passed a 2^32-1 parameter value instead of -1L [144065]
* Fixed a crash in dynamic methods using generic value type parameters [145137]
* Fixed a memory leak in mscoreei!RuntimeRequest::ComputeVersionStringThrowing [145389]
* Fixed garbage collection dependent handle ages [145686]
* Fixed exception handling scopes for IL generated by Roslyn [145835]
* Fixed incorrect result with RyuJIT and VS 2013 compiler optimizations turned on [145846]
* Fixed garbage collection access violation in heap expand in corner cases due to slightly off pad ratio [145905]
* Fixed app packaging resource indexer write access violation at mscoreei!ShimUtil::ReadFileVersion [147707]
* Fixed missed cast during binary XOR operation [142659]
* Profiling event listener sees enums as names rather than numbers [142794]
* Fixed optimization that was incorrectly using a register value for a member variable [142798]
* Fixed bad codegen caused by turning on GSCookie check [145632]
* Fixed access violation in Compiler::fgValueNumberBlock while jitting [145643]
* All floating point reg-to-reg moves use movaps instead of movss/sd [145776]
* Added a way to facilitate specifying the ratio of compacting vs sweeping GCs [145709]
* Free list damage count isn't incorrectly overwritten [145712]
* Improved performance of x64 RyuJIT [145718]
* Mitigated "insufficient memory within specified address space range" errors [145720]
* Fixed unnecessary decommit on the ephemeral segment [145768]
* Fixed an access violation in VB Jit32 codegen when accessing an array expanded by ReDim [142485]
* Improved hash function for float and double in value numbering [142492]
* Fixed an incorrect Assertionprop optimization on legacy x86 JIT that changes a negative zero into a positive zero and impacts the 32-bit Roslyn compiler [142253]
* Improved performance of parallel binary file deserialization [141896]
* Fixed an issue with F# applications that target FSharp.Core 3.1 and .NET 4.5.2 causing a FatalExecutionEngineException when deployed to a machine with .NET 4.6 installed [142619]
* Fixed an issue with x64 POINTF structure passing during a tail call [145688]
* Fixed an issue with !sos.heaptat always looking for unrooted information regardless on if the -iu switch is passed [145696]
* EventLog entry displays the exception type and stack trace string in the proper order [145642]
* Fixed a bug that prevented users from using NGen on non-Microsoft signed assemblies [147703]
* X509Certificates now support Elliptic Curve Digital Signature Algorithm (ECDSA) [145702]
* Fixed an issue that caused local variables not to show up in X++ Debugging [145571]
* Fixed RyuJIT optimizer causing incorrect result [110557]
BCL
---
* System.Diagnostics.Process v4.1.0.0 supported in desktop implementation assemblies [142838]
* System.ServiceProcess.ServiceController exposes a StartType property [145866]
* SqlClient has retry logic for cloud service connection opening [145878]
* SqlClient has improved multi-subnet failover connection behavior for AlwaysOn [117760]
* HttpListener API exposes TlsUnique to support token-binding [141263]
* Enhanced the ECDsa RedZone API [142405]
* No overflow exception when using Level in an EventSourceListener on a Write&lt;T&gt; [94974]
* No null reference exception when calling EventSource.GenerateManifest(Type, string) when an event method name ends with "Stop" [129244]
* Added a timeout to HttpOutput when sending a message [130240]
* More reliable connection of TCP local host with named SQL instance [130340]
* Vector2/3/4.CopyTo throws the right exception when a null array is passed in [131600]
* Vector2/3/4.CopyTo doesn't cause access violation when used with a negative startIndex parameter [142102]
* Vector.CopyTo throws consistent exceptions when running with JIT intrinsics [142413]
* Fixed access violation in Vector.CopyTo on an AVX2 machine [146428]
* Fixed SIMD Vector.Equals on AVX [133633]
* Vector3.Dot doesn't cause access violation when value is not stored [142555]
* Vector4 constructor evaluates argument list left to right [142843]
* Optimized memory usage by HttpListenerAsyncEventArgs [109754]
* Fixed a null reference exception in XML validation [111660]
* AppContext.BaseDirectory is configurable [142857]
* Fixed Serbian culture date parsing issue [144893]
* Fixed Norwegian culture date parsing issue [145872]
* TransparentNetworkIPResolution works with more than 64 IPs in DNS [147652]
* SqlBulkCopy works for data movement from encrypted to plain text nchar columns [149383]
* Transparent network IP resolution works if TCP protocol isn't explicitly defined [149824]
* Enumerating cultures yields both Persian languages [145823]
* An archive created with System.IO.Compression.ZipFile.CreateFromDirectory preserves directory structure when unpacked on OSX [142220]
* SqlClient always encrypted supports hardware-protected keys [116442]
* Added support for Token Binding for server-side usage of HttpListener [119817]
* Uri constructor doesn't throw ArgumentOutOfRangeException when parsing certain URIs with escaped international characters [123235]
* Fixed a bug that prevented some localized text from displaying properly [145634]
* Fixed a bug that caused the Exception Catch event to get the incorrect source line [142525]
ASP.NET
-------
* TreeNode.ImageTooltip is rendered as title attribute [101518]
* Access to WebAdminFiles re-enabled [144513]
* Fixed 4.6 regression in DataBoundControl.PerformSelect() [145931]
* MaintainScrollPositionOnPostBack works with zoom on Chrome [120243]
* RegEx can be opted out for EmailAddresses, Phone, and URL attributes [142685]
* Added a MatchTimeout property to RegularExpressionAttribute [142685]
WPF
---
* Listbox items can be selected by touch on high precision touch panel [141237]
* Underline can be applied after strikethrough [141662]
* Fixed a crash in XAML in Xceed.Wpf.Toolkit [141966]
* ListCollectionView with NewItemPlaceHolderPosition.AtBeginning removes the last element, not the one before it [93418]
* Fixed an app hang case when scrolling [99716]
* SelectedItem property in DataGrid and UI are in sync even when the selected item is off-screen [117243]
* Fixed an exception in System.Windows.Documents.ImmComposition.OnGotFocus [117523]
* Adding an object to the end of a collection causes correct argument to be passed to VirtualizingPanel.OnItemsChanged [130980]
* TextRange.Save using DataFormats.Rtf exports the last block from FlowDocument [131881]
* Fixed leak of ImmComposition objects in System.Windows.Documents.ImmComposition.GetImmComposition [133134]
* Fixed a hang when scrolling TreeView with large indent [141179]
* Calling window.open from WebBrowser control doesn't result in access denied script error [141608]
* Fixed layout when item-scrolling TreeView [122337]
* Adding an item to CompositeCollection doesn't cause ItemsControl.SelectedIndex to incorrectly increment [122826]
* Glyph elements containing alphanumeric characters aren't always printed using MS Sans Serif [142597]
* VisualTreeUtils.AsNonNullVisual doesn't throw argument null exception when scrolling TreeView [142874]
* Virtualizing TreeView doesn't cause it to scroll to random positions when collapsed and expanded [142912]
* Fixed null reference exception from DataGridCellsPanel.HasCorrectRealizedColumns [143791]
* Fixed a crash when deleting content from RichTextBox when a drawing tablet is installed [143800]
* XamlReader.Save doesn't add extra text when using XmlWriterSettings.Indent [147082]
* Printed characters not blurred if the printed XPS file uses transparent colors [147123]
* All items are printed in XPS file using transparent colors [147125]
* Added support for custom dictionaries in spell checking [142722]
* Restored spell checking features on Windows 10 [142577]
* Fixed a deadlock due to reentrancy in property changed handlers [145690]
* Fixed ReadyToRun bugs that affected managed C++ and IL assemblies [145692]
* Xmlns entries in XAML files withoug code behind don't cause usings to be added to the next XAML file compiled [145704]
* Fixed the rendering of certain unicode characters on Windows 10 [145727]
* Eliminated a delay in touch events [143839]
* Improved touch performance when manipulating image [142488]
* Fixed a null reference exception in GridViewHeaderRowPresenter when Columns is set to null during measure [142184]
* WPF doesn't stop promoting touch to click after digitizer is removed and reconnected while touching the digitizer [142019]
* Fixed TextBox argument exception when using some Chinese characters [141693]
* Improved RichTextBox typing performance on low-end GPU [141828]
* Chrome doesn't turn black on maximize on Windows 8.1 when GlassFrameThickness is -1 [124835]
* Fixed a case where a button click event wasn't raised after deactivating the application's window [141633]
* RichTextBox spellcheck corrections don't create double possessives [141660]
* Data binding for elements in a Popup don't get lost [122280]
* DatePicker DisplayDate binding works inside DataGrid, DataTemplate, and ControlTemplate [120278]
* Using the Binding(string) constructor doesn't degrade performance [120967]
* Fixed a memory leak in TreeView [105337]
* Changing IsEnabled for a parent of a TextBlock affects its contents [91119]
* Fixed an issue with partial trust applications running on a machine with a touch device [151160]
* Fixed a bug caused by loading multiple Microsoft Visual Studio Tools for Office (VSTO) addins on touch enabled devices [142484]
* Fixed a bug that caused Visual Studio to hang when saving a XAML file [110669]
WCF
---
* ServiceThrottle uses double-checked locking pattern for calls, sessions, and dynamic properties [96934]
* MessageLogger.LogInternal doesn't call TraceXPathNavigator.ToString() [127642]
* ProtocolException RoutingService to net.tcp doesn't reject all requests after end service recycles [142828]
* Better performance on base64 strings with spaces [143785]
* NetHttpBinding handles synchronous callback from WCF service correctly when called via WPF or WinForms app [145832]
* Fixed a w3wp.exe crash when an exception occurs with WCF activity tracing enabled [145636]
* Fixed a performance regression in selected large object variations [141815]
* Binding including message credential over transport allows for messages where the To header is not signed [140756]
* Fixed a null reference exception in System.Runtime.Serialization when ETW is enabled [105266]
* Fixed IdentityModel.Claims to support multiple DNS entries [140718]
Workflow
--------
* Sys.Tx APIs enable distributed transactions with a non-MSDTC coordinator [145813]
* A user of EnlistPromotableSinglePhase can promote transactions to a non-MSDTC distributed transaction coordinator [145770, 142891, 142992]
* System.Transaction allows for snapshot isolation for non-MSDTC promoter types [146607]
* Sql implementation handles transient faults properly [113390]
Windows Forms
-------------
* CTRL+A works in multiline text boxes [145670]
* Vertical scrollbar's Maximum is in sync with DataGridView's total height if the grid is populated while disabled [127329]
* CancelButton or mnemonics respect Control.CausesValidation [144357]
* Fixed a possible index out of range exception in ThreadContext when using custom MessageFilter [145665]
* Fixed a null reference exception in System.Windows.Forms.ToolTip [145763]
* Fixed the Categories name visibility in the Table/Columns Collection Editor when using high contrast scheme [145631]
* Fixed several VisualStudio Designer Crashes [145639], [145710], [145652]
* Fixed the size of the text for the Generating Previews dialog of the PrintPreviewControl from being cropped when scaling up to 500% in HDPI mode [145775]
* Fixed the icons in the toolbox when scaling above 100% [145824]