API diff between .NET 11 Preview 7 and .NET 11 RC 1

[github-actions]

Note

Incremental public API diff .NET 11 Preview 7 → .NET 11 RC 1.

Draft — auto-maintained while .NET 11 RC 1 is the in-development frontier.

Incremental diff: 11.0-preview.7 (11.0.0-preview.7.26381.103) → 11.0-rc.1 (11.0.0-rc.1.26419.129). Track: incremental.

How this was generated

Generated by the api-diff skill / RunApiDiff.ps1:

• Previous: 11.0.0-preview.7.26381.103 @ https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json
• Current: 11.0.0-rc.1.26419.129 @ https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet11/nuget/v3/index.json
• Generated at: 2026-08-20T13:34:01Z
• Report count: 19 files

Status

in-development — draft while .NET 11 RC 1 is the in-development frontier on main.

Related API proposals

[!NOTE]
This list might not account for every API change, but every proposal shown is verified against this API diff.

• dotnet/runtime#128322 — System.Diagnostics.Process.Signal, System.Diagnostics.ProcessExitStatus
• dotnet/runtime#128871 — System.Net.Security.TlsBufferSession
• dotnet/runtime#129943 — System.Net.NetworkInformation.NetworkChange.IsSupported
• dotnet/runtime#130719 — Microsoft.Extensions.Options.AsyncValidateOptions<TOptions>.Validate
• dotnet/runtime#130809 — System.Text.Json.Serialization.JsonPolymorphicAttribute.InferClosedTypePolymorphism
• dotnet/aspnetcore#66393 — Microsoft.AspNetCore.Components.BrowserOptions
• dotnet/aspnetcore#67226 — Microsoft.AspNetCore.Http.Connections.HttpConnectionDispatcherOptions.OnAuthenticationRefresh, Microsoft.AspNetCore.Connections.Features.IConnectionUserRefreshFeature.OnUserRefreshing
• dotnet/aspnetcore#67909 — Microsoft.AspNetCore.Server.Kestrel.Transport.DirectTls.DirectTlsEndpoint, Microsoft.AspNetCore.Server.Kestrel.Transport.DirectTls.DirectTlsEndpointOptions
• dotnet/aspnetcore#68237 — Microsoft.AspNetCore.Components.AcceptsAssetPathAttribute

Review checklist

Repo area owners

• ASP.NET - @dotnet/aspnet-api-review
• WinForms - @dotnet/dotnet-winforms
• WPF - @dotnet/wpf-developers @dotnet/dotnet-wpf-maintainers
• Runtime - @JulieLeeMSFT @steveisok @agocke @lewing
• Libraries - @jeffhandley @SamMonoRT @karelz

Libraries area owners

• Extensions-Options - @dotnet/area-extensions-options
• System.Collections - @dotnet/area-system-collections
• System.Diagnostics.Process - @dotnet/area-system-diagnostics-process
• System.IO.Compression - @dotnet/area-system-io-compression
• System.Net - @dotnet/ncl
• System.Net.Security - @dotnet/ncl @bartonjs @vcsjones
• System.Text.Json - @dotnet/area-system-text-json

Feedback applied

None.

Automation state

# api-diff:state:begin
# api-diff-marker: 11.0-preview.7_to_11.0-rc.1
track: "incremental"
previous-version-milestone: "11.0-preview.7"
current-version-milestone: "11.0-rc.1"
previous-version: "11.0.0-preview.7.26381.103"
current-version: "11.0.0-rc.1.26419.129"
previous-feed: "https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json"
current-feed: "https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet11/nuget/v3/index.json"
status: "in-development"
report-count: 19
generated-at: "2026-08-20T13:34:01Z"
temporary-attributes-excluded: []
# api-diff:state:end

Generated by API Diff Worker · 86.3 AIC · ⌖ 7.46 AIC · ⊞ 11.2K · ◷

[github-actions]

Commit pushed: 2d14977

Generated by API Diff Worker · 74.9 AIC · ⌖ 5.88 AIC · ⊞ 11.2K

[github-actions]

Commit pushed: 14cf6a7

Generated by API Diff Worker · 86.3 AIC · ⌖ 7.46 AIC · ⊞ 11.2K