version
assemblies
classes
structs
enums
interfaces
delegates
.NET 4.5
129
11,027
357
1,931
1,015
658
.NET 4.5.1
129
11,028
357
1,933
1,017
658
-
+1
-
+2
+2
-

126 updated
4.5 4.5.1
Accessibility
CustomMarshalers
ISymWrapper
Microsoft.Activities.Build
Microsoft.Build
Microsoft.Build.Conversion.v4.0
Microsoft.Build.Engine
Microsoft.Build.Framework
Microsoft.Build.Tasks.v4.0
Microsoft.Build.Utilities.v4.0
Microsoft.CSharp
Microsoft.JScript
Microsoft.VisualC
Microsoft.VisualC.STLCLR
mscorlib
PresentationBuildTasks
PresentationCore
PresentationFramework
PresentationFramework.Aero
PresentationFramework.Aero2
PresentationFramework.AeroLite
PresentationFramework.Classic
PresentationFramework.Luna
PresentationFramework.Royale
ReachFramework
sysglobl
System
System.Activities
System.Activities.Core.Presentation
System.Activities.DurableInstancing
System.Activities.Presentation
System.AddIn
System.AddIn.Contract
System.ComponentModel.Composition
System.ComponentModel.Composition.Registration
System.ComponentModel.DataAnnotations
System.Configuration
System.Configuration.Install
System.Core
System.Data
System.Data.DataSetExtensions
System.Data.Entity
System.Data.Entity.Design
System.Data.Linq
System.Data.OracleClient
System.Data.Services
System.Data.Services.Client
System.Data.Services.Design
System.Data.SqlXml
System.Deployment
System.Design
System.Device
System.DirectoryServices
System.DirectoryServices.AccountManagement
System.DirectoryServices.Protocols
System.Drawing
System.Drawing.Design
System.EnterpriseServices
System.IdentityModel
System.IdentityModel.Selectors
System.IdentityModel.Services
System.IO.Compression
System.IO.Compression.FileSystem
System.IO.Log
System.Management
System.Management.Instrumentation
System.Messaging
System.Net
System.Net.Http
System.Net.Http.WebRequest
System.Numerics
System.Printing
System.Reflection.Context
System.Runtime.Caching
System.Runtime.DurableInstancing
System.Runtime.Remoting
System.Runtime.Serialization
System.Runtime.Serialization.Formatters.Soap
System.Security
System.ServiceModel
System.ServiceModel.Activation
System.ServiceModel.Activities
System.ServiceModel.Channels
System.ServiceModel.Discovery
System.ServiceModel.Routing
System.ServiceModel.Web
System.ServiceProcess
System.Speech
System.Transactions
System.Web
System.Web.Abstractions
System.Web.ApplicationServices
System.Web.DataVisualization
System.Web.DataVisualization.Design
System.Web.DynamicData
System.Web.DynamicData.Design
System.Web.Entity
System.Web.Entity.Design
System.Web.Extensions
System.Web.Extensions.Design
System.Web.Mobile
System.Web.RegularExpressions
System.Web.Routing
System.Web.Services
System.Windows
System.Windows.Controls.Ribbon
System.Windows.Forms
System.Windows.Forms.DataVisualization
System.Windows.Forms.DataVisualization.Design
System.Windows.Input.Manipulations
System.Windows.Presentation
System.Workflow.Activities
System.Workflow.ComponentModel
System.Workflow.Runtime
System.WorkflowServices
System.Xaml
System.Xml
System.Xml.Linq
System.Xml.Serialization
UIAutomationClient
UIAutomationClientsideProviders
UIAutomationProvider
UIAutomationTypes
WindowsBase
WindowsFormsIntegration
XamlBuildTask

2 updated types
Microsoft.CSharp.Activities.CSharpReference<TResult> class
Found 1 new custom attribute
[DebuggerStepThrough]
Microsoft.CSharp.Activities.CSharpValue<TResult> class
Found 1 new custom attribute
[DebuggerStepThrough]
Microsoft.VisualBasic.Activities.VisualBasicReference<TResult> class
Found 1 new custom attribute
[DebuggerStepThrough]
Microsoft.VisualBasic.Activities.VisualBasicValue<TResult> class
Found 1 new custom attribute
[DebuggerStepThrough]
System.Activities.Expressions.LambdaReference<T> class
Found 1 new custom attribute
[DebuggerStepThrough]
System.Activities.Expressions.LambdaValue<TResult> class
Found 1 new custom attribute
[DebuggerStepThrough]
System.Activities.Expressions.Literal<T> class
Found 1 new custom attribute
[DebuggerStepThrough]

3 updated types
System.Data.Common.DbDataReader class
Found 2 updated members
method Close()
Is no longer abstract
method GetSchemaTable()
Is no longer abstract
System.Data.Common.DbParameter class
Found 2 new and 1 updated member
property Precision
property Scale
property SourceVersion
Found 2 updated members
method get_SourceVersion()
Is no longer abstract
method set_SourceVersion(DataRowVersion)
Is no longer abstract
System.Data.Common.DbParameterCollection class
Found 3 updated members
property IsFixedSize
Found 1 updated member
method get_IsFixedSize()
Is no longer abstract
property IsReadOnly
Found 1 updated member
method get_IsReadOnly()
Is no longer abstract
property IsSynchronized
Found 1 updated member
method get_IsSynchronized()
Is no longer abstract

1 updated type
System.Data.SqlClient.SqlConnectionStringBuilder class
Found 2 new members
property ConnectRetryCount
property ConnectRetryInterval

2 updated types
System.Diagnostics.Tracing.EventSource class
Found 6 new members
property ConstructionException
property CurrentThreadActivityId
method SetCurrentThreadActivityId(Guid)
method SetCurrentThreadActivityId(Guid,Guid&)
method WriteEventWithRelatedActivityId(Int32,Guid,Object[])
method WriteEventWithRelatedActivityIdCore(Int32,Guid*,Int32,EventData*)
System.Diagnostics.Tracing.EventWrittenEventArgs class
Found 2 new and 1 updated member
property ActivityId
property RelatedActivityId
property Message
Found 1 new member
method set_Message(String)
System.DirectoryServices.ActiveDirectory.DomainMode enum
Found 1 new member
field Windows2012R2Domain
System.DirectoryServices.ActiveDirectory.ForestMode enum
Found 1 new member
field Windows2012R2Forest

2 updated types
System.IO.MemoryMappedFiles.MemoryMappedViewAccessor class
Found 1 new member
property PointerOffset
System.IO.MemoryMappedFiles.MemoryMappedViewStream class
Found 1 new member
property PointerOffset

1 new and 1 updated type
System.Runtime.GCLargeObjectHeapCompactionMode enum
System.Runtime.GCSettings class
Found 1 new member
property LargeObjectHeapCompactionMode
System.Runtime.InteropServices.Marshal class
Found 16 new members
method CreateAggregatedObject<T>(IntPtr,T)
method CreateWrapperOfType<T, TWrapper>(T)
method DestroyStructure<T>(IntPtr)
method GetComInterfaceForObject<T, TInterface>(T)
method GetDelegateForFunctionPointer<TDelegate>(IntPtr)
method GetFunctionPointerForDelegate<TDelegate>(TDelegate)
method GetNativeVariantForObject<T>(T,IntPtr)
method GetObjectForNativeVariant<T>(IntPtr)
method GetObjectsForNativeVariants<T>(IntPtr,Int32)
method OffsetOf<T>(String)
method PtrToStructure<T>(IntPtr)
method PtrToStructure<T>(IntPtr,T)
method SizeOf()
method SizeOf<T>(T)
method StructureToPtr<T>(T,IntPtr,Boolean)
method UnsafeAddrOfPinnedArrayElement<T>(T[],Int32)
System.Security.Cryptography.Xml.SignedXml class
Found 1 new member
property SafeCanonicalizationMethods

1 new and 1 updated type
System.Transactions.TransactionScopeAsyncFlowOption enum
System.Transactions.TransactionScope class
Found 6 new members
method .ctor(Transaction,TimeSpan,TransactionScopeAsyncFlowOption)
method .ctor(Transaction,TransactionScopeAsyncFlowOption)
method .ctor(TransactionScopeAsyncFlowOption)
method .ctor(TransactionScopeOption,TimeSpan,TransactionScopeAsyncFlowOption)
method .ctor(TransactionScopeOption,TransactionOptions,TransactionScopeAsyncFlowOption)
method .ctor(TransactionScopeOption,TransactionScopeAsyncFlowOption)

1 updated type
System.Web.Configuration.BrowserCapabilitiesFactory class
Found 2 new members
method InternetexplorerProcessBrowsers(Boolean,NameValueCollection,HttpBrowserCapabilities)
method InternetexplorerProcessGateways(NameValueCollection,HttpBrowserCapabilities)

3 new and 1 updated type
System.Web.Hosting.CustomLoaderAttribute class
System.Web.Hosting.IStopListeningRegisteredObject interface
System.Web.Hosting.ISuspendibleRegisteredObject interface
System.Web.Hosting.HostingEnvironment class
Found 1 new member
event StopListening

1 updated type
System.Windows.Input.CanExecuteChangedEventManager class
Found 1 deleted member
method NewListenerList()

Excluded the following 18 custom attributes from the comparison.

System.Runtime.InteropServices.BestFitMappingAttribute
System.Runtime.InteropServices.ClassInterfaceAttribute
System.Runtime.InteropServices.CoClassAttribute
System.Runtime.InteropServices.ComAliasNameAttribute
System.Runtime.InteropServices.ComCompatibleVersionAttribute
System.Runtime.InteropServices.ComConversionLossAttribute
System.Runtime.InteropServices.ComDefaultInterfaceAttribute
System.Runtime.InteropServices.ComVisibleAttribute
System.Runtime.InteropServices.DefaultDllImportSearchPathsAttribute
System.Runtime.InteropServices.DispIdAttribute
System.Runtime.InteropServices.ImportedFromTypeLibAttribute
System.Runtime.InteropServices.InterfaceTypeAttribute
System.Runtime.InteropServices.LCIDConversionAttribute
System.Runtime.InteropServices.ProgIdAttribute
System.Runtime.InteropServices.TypeLibFuncAttribute
System.Runtime.InteropServices.TypeLibImportClassAttribute
System.Runtime.InteropServices.TypeLibTypeAttribute
System.Runtime.InteropServices.TypeLibVersionAttribute