API diff between .NET 9 Preview1 and .NET 9 Preview2 (#9220)

release-notes/9.0/preview/preview2/api-diff/Microsoft.AspNetCore.App/9.0-preview2.md

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+# API Difference 9.0-preview1 vs 9.0-preview2
+
+API listing follows standard diff formatting.
+Lines preceded by a '+' are additions and a '-' indicates removal.
+
+* [Microsoft.AspNetCore.Authentication.OAuth](9.0-preview2_Microsoft.AspNetCore.Authentication.OAuth.md)
+* [Microsoft.AspNetCore.Builder](9.0-preview2_Microsoft.AspNetCore.Builder.md)
+* [Microsoft.AspNetCore.Components.Server](9.0-preview2_Microsoft.AspNetCore.Components.Server.md)
+* [Microsoft.AspNetCore.Server.HttpSys](9.0-preview2_Microsoft.AspNetCore.Server.HttpSys.md)
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.AspNetCore.App/9.0-preview2_Microsoft.AspNetCore.Authentication.OAuth.md

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+# Microsoft.AspNetCore.Authentication.OAuth
+
+``` diff
+ namespace Microsoft.AspNetCore.Authentication.OAuth {
+     public class OAuthOptions : RemoteAuthenticationOptions {
++        public IDictionary<string, string> AdditionalAuthorizationParameters { get; }
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.AspNetCore.App/9.0-preview2_Microsoft.AspNetCore.Builder.md

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+# Microsoft.AspNetCore.Builder
+
+``` diff
+ namespace Microsoft.AspNetCore.Builder {
+     public static class ServerRazorComponentsEndpointConventionBuilderExtensions {
++        public static RazorComponentsEndpointConventionBuilder AddInteractiveServerRenderMode(this RazorComponentsEndpointConventionBuilder builder, Action<ServerComponentsEndpointOptions> configure);
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.AspNetCore.App/9.0-preview2_Microsoft.AspNetCore.Components.Server.md

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+# Microsoft.AspNetCore.Components.Server
+
+``` diff
+ namespace Microsoft.AspNetCore.Components.Server {
++    public class ServerComponentsEndpointOptions {
++        public ServerComponentsEndpointOptions();
++        public Func<HttpContext, WebSocketAcceptContext, Task>? ConfigureWebSocketAcceptContext { get; set; }
++        public string ContentSecurityFrameAncestorsPolicy { get; set; }
++        public bool DisableWebSocketCompression { get; set; }
++    }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.AspNetCore.App/9.0-preview2_Microsoft.AspNetCore.Server.HttpSys.md

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+# Microsoft.AspNetCore.Server.HttpSys
+
+``` diff
+ namespace Microsoft.AspNetCore.Server.HttpSys {
+     public sealed class AuthenticationManager {
++        public bool CaptureCredentials { get; set; }
++        public bool EnableKerberosCredentialCaching { get; set; }
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2.md

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+# API Difference 9.0-preview1 vs 9.0-preview2
+
+API listing follows standard diff formatting.
+Lines preceded by a '+' are additions and a '-' indicates removal.
+
+* [System](9.0-preview2_System.md)
+* [System.IO](9.0-preview2_System.IO.md)
+* [System.Net.Http](9.0-preview2_System.Net.Http.md)
+* [System.Numerics](9.0-preview2_System.Numerics.md)
+* [System.Runtime.Intrinsics](9.0-preview2_System.Runtime.Intrinsics.md)
+* [System.Runtime.Intrinsics.Arm](9.0-preview2_System.Runtime.Intrinsics.Arm.md)
+* [System.Runtime.Intrinsics.X86](9.0-preview2_System.Runtime.Intrinsics.X86.md)
+* [System.Security.Cryptography.X509Certificates](9.0-preview2_System.Security.Cryptography.X509Certificates.md)
+* [System.Text.Json](9.0-preview2_System.Text.Json.md)
+* [System.Text.Json.Serialization](9.0-preview2_System.Text.Json.Serialization.md)
+* [System.Threading](9.0-preview2_System.Threading.md)
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.IO.md

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+# System.IO
+
+``` diff
+ namespace System.IO {
+     public class FileStream : Stream {
++        public override void CopyTo(Stream destination, int bufferSize);
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Net.Http.md

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+# System.Net.Http
+
+``` diff
+ namespace System.Net.Http {
+     public class HttpIOException : IOException {
++        public override string Message { get; }
+     }
+     public sealed class HttpProtocolException : HttpIOException {
+-        public HttpProtocolException(long errorCode, string? message, Exception? innerException);
++        public HttpProtocolException(long errorCode, string message, Exception? innerException);
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Numerics.md

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+# System.Numerics
+
+``` diff
+ namespace System.Numerics {
+     public static class Vector {
++        public static Vector<T> CreateSequence<T>(T start, T step);
+     }
+     public readonly struct Vector<T> : IEquatable<Vector<T>>, IFormattable {
++        public static Vector<T> Indices { get; }
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Runtime.Intrinsics.X86.md

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+# System.Runtime.Intrinsics.X86
+
+``` diff
+ namespace System.Runtime.Intrinsics.X86 {
+     public abstract class Avx512DQ : Avx512F {
++        public static Vector256<float> ConvertToVector256Single(Vector512<long> value, FloatRoundingMode mode);
++        public static Vector256<float> ConvertToVector256Single(Vector512<ulong> value, FloatRoundingMode mode);
++        public static Vector512<double> ConvertToVector512Double(Vector512<long> value, FloatRoundingMode mode);
++        public static Vector512<double> ConvertToVector512Double(Vector512<ulong> value, FloatRoundingMode mode);
++        public static Vector512<long> ConvertToVector512Int64(Vector256<float> value, FloatRoundingMode mode);
++        public static Vector512<long> ConvertToVector512Int64(Vector512<double> value, FloatRoundingMode mode);
++        public static Vector512<ulong> ConvertToVector512UInt64(Vector256<float> value, FloatRoundingMode mode);
++        public static Vector512<ulong> ConvertToVector512UInt64(Vector512<double> value, FloatRoundingMode mode);
+     }
+     public abstract class Avx512F : Avx2 {
++        public static Vector512<float> Add(Vector512<float> left, Vector512<float> right, FloatRoundingMode mode);
++        public static Vector128<double> AddScalar(Vector128<double> left, Vector128<double> right, FloatRoundingMode mode);
++        public static Vector128<float> AddScalar(Vector128<float> left, Vector128<float> right, FloatRoundingMode mode);
++        public static Vector128<float> ConvertScalarToVector128Single(Vector128<float> upper, int value, FloatRoundingMode mode);
++        public static Vector128<float> ConvertScalarToVector128Single(Vector128<float> upper, Vector128<double> value, FloatRoundingMode mode);
++        public static Vector128<float> ConvertScalarToVector128Single(Vector128<float> upper, uint value, FloatRoundingMode mode);
++        public static int ConvertToInt32(Vector128<double> value, FloatRoundingMode mode);
++        public static int ConvertToInt32(Vector128<float> value, FloatRoundingMode mode);
++        public static uint ConvertToUInt32(Vector128<double> value, FloatRoundingMode mode);
++        public static uint ConvertToUInt32(Vector128<float> value, FloatRoundingMode mode);
++        public static Vector256<int> ConvertToVector256Int32(Vector512<double> value, FloatRoundingMode mode);
++        public static Vector256<float> ConvertToVector256Single(Vector512<double> value, FloatRoundingMode mode);
++        public static Vector256<uint> ConvertToVector256UInt32(Vector512<double> value, FloatRoundingMode mode);
++        public static Vector512<int> ConvertToVector512Int32(Vector512<float> value, FloatRoundingMode mode);
++        public static Vector512<float> ConvertToVector512Single(Vector512<int> value, FloatRoundingMode mode);
++        public static Vector512<float> ConvertToVector512Single(Vector512<uint> value, FloatRoundingMode mode);
++        public static Vector512<uint> ConvertToVector512UInt32(Vector512<float> value, FloatRoundingMode mode);
++        public static Vector512<double> Divide(Vector512<double> left, Vector512<double> right, FloatRoundingMode mode);
++        public static Vector512<float> Divide(Vector512<float> left, Vector512<float> right, FloatRoundingMode mode);
++        public static Vector128<double> DivideScalar(Vector128<double> left, Vector128<double> right, FloatRoundingMode mode);
++        public static Vector128<float> DivideScalar(Vector128<float> left, Vector128<float> right, FloatRoundingMode mode);
++        public static Vector512<double> FusedMultiplyAdd(Vector512<double> a, Vector512<double> b, Vector512<double> c, FloatRoundingMode mode);
++        public static Vector512<float> FusedMultiplyAdd(Vector512<float> a, Vector512<float> b, Vector512<float> c, FloatRoundingMode mode);
++        public static Vector512<double> FusedMultiplyAddNegated(Vector512<double> a, Vector512<double> b, Vector512<double> c, FloatRoundingMode mode);
++        public static Vector512<float> FusedMultiplyAddNegated(Vector512<float> a, Vector512<float> b, Vector512<float> c, FloatRoundingMode mode);
++        public static Vector128<double> FusedMultiplyAddNegatedScalar(Vector128<double> a, Vector128<double> b, Vector128<double> c, FloatRoundingMode mode);
++        public static Vector128<float> FusedMultiplyAddNegatedScalar(Vector128<float> a, Vector128<float> b, Vector128<float> c, FloatRoundingMode mode);
++        public static Vector128<double> FusedMultiplyAddScalar(Vector128<double> a, Vector128<double> b, Vector128<double> c, FloatRoundingMode mode);
++        public static Vector128<float> FusedMultiplyAddScalar(Vector128<float> a, Vector128<float> b, Vector128<float> c, FloatRoundingMode mode);
++        public static Vector512<double> FusedMultiplyAddSubtract(Vector512<double> a, Vector512<double> b, Vector512<double> c, FloatRoundingMode mode);
++        public static Vector512<float> FusedMultiplyAddSubtract(Vector512<float> a, Vector512<float> b, Vector512<float> c, FloatRoundingMode mode);
++        public static Vector512<double> FusedMultiplySubtract(Vector512<double> a, Vector512<double> b, Vector512<double> c, FloatRoundingMode mode);
++        public static Vector512<float> FusedMultiplySubtract(Vector512<float> a, Vector512<float> b, Vector512<float> c, FloatRoundingMode mode);
++        public static Vector512<double> FusedMultiplySubtractAdd(Vector512<double> a, Vector512<double> b, Vector512<double> c, FloatRoundingMode mode);
++        public static Vector512<float> FusedMultiplySubtractAdd(Vector512<float> a, Vector512<float> b, Vector512<float> c, FloatRoundingMode mode);
++        public static Vector512<double> FusedMultiplySubtractNegated(Vector512<double> a, Vector512<double> b, Vector512<double> c, FloatRoundingMode mode);
++        public static Vector512<float> FusedMultiplySubtractNegated(Vector512<float> a, Vector512<float> b, Vector512<float> c, FloatRoundingMode mode);
++        public static Vector128<double> FusedMultiplySubtractNegatedScalar(Vector128<double> a, Vector128<double> b, Vector128<double> c, FloatRoundingMode mode);
++        public static Vector128<float> FusedMultiplySubtractNegatedScalar(Vector128<float> a, Vector128<float> b, Vector128<float> c, FloatRoundingMode mode);
++        public static Vector128<double> FusedMultiplySubtractScalar(Vector128<double> a, Vector128<double> b, Vector128<double> c, FloatRoundingMode mode);
++        public static Vector128<float> FusedMultiplySubtractScalar(Vector128<float> a, Vector128<float> b, Vector128<float> c, FloatRoundingMode mode);
++        public static Vector512<double> Multiply(Vector512<double> left, Vector512<double> right, FloatRoundingMode mode);
++        public static Vector512<float> Multiply(Vector512<float> left, Vector512<float> right, FloatRoundingMode mode);
++        public static Vector128<double> MultiplyScalar(Vector128<double> left, Vector128<double> right, FloatRoundingMode mode);
++        public static Vector128<float> MultiplyScalar(Vector128<float> left, Vector128<float> right, FloatRoundingMode mode);
++        public static Vector512<double> Scale(Vector512<double> left, Vector512<double> right, FloatRoundingMode mode);
++        public static Vector512<float> Scale(Vector512<float> left, Vector512<float> right, FloatRoundingMode mode);
++        public static Vector128<double> ScaleScalar(Vector128<double> left, Vector128<double> right, FloatRoundingMode mode);
++        public static Vector128<float> ScaleScalar(Vector128<float> left, Vector128<float> right, FloatRoundingMode mode);
++        public static Vector512<double> Sqrt(Vector512<double> value, FloatRoundingMode mode);
++        public static Vector512<float> Sqrt(Vector512<float> value, FloatRoundingMode mode);
++        public static Vector128<double> SqrtScalar(Vector128<double> upper, Vector128<double> value, FloatRoundingMode mode);
++        public static Vector128<float> SqrtScalar(Vector128<float> upper, Vector128<float> value, FloatRoundingMode mode);
++        public static Vector512<double> Subtract(Vector512<double> left, Vector512<double> right, FloatRoundingMode mode);
++        public static Vector512<float> Subtract(Vector512<float> left, Vector512<float> right, FloatRoundingMode mode);
++        public static Vector128<double> SubtractScalar(Vector128<double> left, Vector128<double> right, FloatRoundingMode mode);
++        public static Vector128<float> SubtractScalar(Vector128<float> left, Vector128<float> right, FloatRoundingMode mode);
+         public new abstract class X64 : Avx2.X64 {
++            public static Vector128<double> ConvertScalarToVector128Double(Vector128<double> upper, long value, FloatRoundingMode mode);
++            public static Vector128<double> ConvertScalarToVector128Double(Vector128<double> upper, ulong value, FloatRoundingMode mode);
++            public static Vector128<float> ConvertScalarToVector128Single(Vector128<float> upper, long value, FloatRoundingMode mode);
++            public static Vector128<float> ConvertScalarToVector128Single(Vector128<float> upper, ulong value, FloatRoundingMode mode);
++            public static long ConvertToInt64(Vector128<double> value, FloatRoundingMode mode);
++            public static long ConvertToInt64(Vector128<float> value, FloatRoundingMode mode);
++            public static ulong ConvertToUInt64(Vector128<double> value, FloatRoundingMode mode);
++            public static ulong ConvertToUInt64(Vector128<float> value, FloatRoundingMode mode);
+         }
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Runtime.Intrinsics.md

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+# System.Runtime.Intrinsics
+
+``` diff
+ namespace System.Runtime.Intrinsics {
+     public static class Vector128 {
++        public static Vector128<T> CreateSequence<T>(T start, T step);
+     }
+     public readonly struct Vector128<T> : IEquatable<Vector128<T>> {
++        public static Vector128<T> Indices { get; }
+     }
+     public static class Vector256 {
++        public static Vector256<T> CreateSequence<T>(T start, T step);
+     }
+     public readonly struct Vector256<T> : IEquatable<Vector256<T>> {
++        public static Vector256<T> Indices { get; }
+     }
+     public static class Vector512 {
++        public static Vector512<T> CreateSequence<T>(T start, T step);
+     }
+     public readonly struct Vector512<T> : IEquatable<Vector512<T>> {
++        public static Vector512<T> Indices { get; }
+     }
+     public static class Vector64 {
++        public static Vector64<T> CreateSequence<T>(T start, T step);
+     }
+     public readonly struct Vector64<T> : IEquatable<Vector64<T>> {
++        public static Vector64<T> Indices { get; }
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Security.Cryptography.X509Certificates.md

@@ -0,0 +1,15 @@
+# System.Security.Cryptography.X509Certificates
+
+``` diff
+ namespace System.Security.Cryptography.X509Certificates {
+     public enum X509SubjectKeyIdentifierHashAlgorithm {
++        Sha256 = 3,
++        Sha384 = 4,
++        Sha512 = 5,
++        ShortSha256 = 6,
++        ShortSha384 = 7,
++        ShortSha512 = 8,
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Text.Json.Serialization.md

@@ -0,0 +1,10 @@
+# System.Text.Json.Serialization
+
+``` diff
+ namespace System.Text.Json.Serialization {
+     public sealed class JsonSourceGenerationOptionsAttribute : JsonAttribute {
++        public bool AllowOutOfOrderMetadataProperties { get; set; }
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Text.Json.md

@@ -0,0 +1,12 @@
+# System.Text.Json
+
+``` diff
+ namespace System.Text.Json {
+-    public struct JsonReaderState
++    public readonly struct JsonReaderState
+     public sealed class JsonSerializerOptions {
++        public bool AllowOutOfOrderMetadataProperties { get; set; }
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.Threading.md

@@ -0,0 +1,17 @@
+# System.Threading
+
+``` diff
+ namespace System.Threading {
+     public static class Interlocked {
++        public static byte CompareExchange(ref byte location1, byte value, byte comparand);
++        public static short CompareExchange(ref short location1, short value, short comparand);
++        public static sbyte CompareExchange(ref sbyte location1, sbyte value, sbyte comparand);
++        public static ushort CompareExchange(ref ushort location1, ushort value, ushort comparand);
++        public static byte Exchange(ref byte location1, byte value);
++        public static short Exchange(ref short location1, short value);
++        public static sbyte Exchange(ref sbyte location1, sbyte value);
++        public static ushort Exchange(ref ushort location1, ushort value);
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.NETCore.App/9.0-preview2_System.md

@@ -0,0 +1,29 @@
+# System
+
+``` diff
+ namespace System {
+     public abstract class Delegate : ICloneable, ISerializable {
++        public bool HasSingleTarget { get; }
++        public static Delegate.InvocationListEnumerator<TDelegate> EnumerateInvocationList<TDelegate>(TDelegate? d) where TDelegate : Delegate;
++        public struct InvocationListEnumerator<TDelegate> where TDelegate : Delegate {
++            public TDelegate Current { get; }
++            public Delegate.InvocationListEnumerator<TDelegate> GetEnumerator();
++            public bool MoveNext();
++        }
+     }
+     public static class MemoryExtensions {
+-        public static int LastIndexOf<T>(this Span<T> span, ReadOnlySpan<T> value) where T : IEquatable<T?>;
++        public static int LastIndexOf<T>(this Span<T> span, ReadOnlySpan<T> value) where T : IEquatable<T>?;
+     }
+     public readonly ref struct ReadOnlySpan<T> {
++        public static ReadOnlySpan<T> CastUp<TDerived>(ReadOnlySpan<TDerived> items) where TDerived : class?, T?;
+     }
+     public class Uri : IFormattable, ISerializable, ISpanFormattable {
++        public static string EscapeDataString(ReadOnlySpan<char> charsToEscape);
++        public static bool TryEscapeDataString(ReadOnlySpan<char> charsToEscape, Span<char> destination, out int charsWritten);
++        public static bool TryUnescapeDataString(ReadOnlySpan<char> charsToUnescape, Span<char> destination, out int charsWritten);
++        public static string UnescapeDataString(ReadOnlySpan<char> charsToUnescape);
+     }
+ }
+```
+

release-notes/9.0/preview/preview2/api-diff/Microsoft.WindowsDesktop.App/9.0-preview2.md

@@ -0,0 +1,16 @@
+# API Difference 9.0-preview1 vs 9.0-preview2
+
+API listing follows standard diff formatting.
+Lines preceded by a '+' are additions and a '-' indicates removal.
+
+* [System.Drawing](9.0-preview2_System.Drawing.md)
+* [System.Drawing.Drawing2D](9.0-preview2_System.Drawing.Drawing2D.md)
+* [System.Drawing.Imaging](9.0-preview2_System.Drawing.Imaging.md)
+* [System.Drawing.Imaging.Effects](9.0-preview2_System.Drawing.Imaging.Effects.md)
+* [System.Drawing.Printing](9.0-preview2_System.Drawing.Printing.md)
+* [System.Windows.Forms](9.0-preview2_System.Windows.Forms.md)
+* [System.Windows.Forms.Design](9.0-preview2_System.Windows.Forms.Design.md)
+* [System.Windows.Markup](9.0-preview2_System.Windows.Markup.md)
+* [Windows.Win32.System.Com](9.0-preview2_Windows.Win32.System.Com.md)
+* [Windows.Win32.UI.Controls.Dialogs](9.0-preview2_Windows.Win32.UI.Controls.Dialogs.md)
+