[dotnet-maestro]

Note

This is a codeflow update. It may contain both source code changes from
the VMR
as well as dependency updates. Learn more here.

This pull request brings the following source code changes

From https://github.com/dotnet/dotnet

• Subscription: f1124ab6-1481-4f33-a146-eb9bc5b1b331
• Build: 20261019.6 (337216)
• Date Produced: October 19, 2026 5:55:48 PM UTC
• Commit: 6a03f1dd6b109506102e265da3cb549381f5ed6b
• Commit Diff: 420d9a5...6a03f1d
• Branch: main

Updated Dependencies

• From 12.0.0-beta.26513.107 to 12.0.0-beta.26519.106
  • Microsoft.DotNet.Arcade.Sdk
  • Microsoft.DotNet.CodeAnalysis
  • Microsoft.DotNet.GenAPI
  • Microsoft.DotNet.Helix.Sdk
• From 12.0.0-alpha.1.26513.107 to 12.0.0-alpha.1.26519.106
  • Microsoft.Dotnet.WinForms.ProjectTemplates
  • Microsoft.NETCore.App.Ref
  • Microsoft.Private.Winforms
  • System.CodeDom
  • System.Configuration.ConfigurationManager
  • System.Diagnostics.EventLog
  • System.DirectoryServices
  • System.Drawing.Common
  • System.Formats.Nrbf
  • System.IO.Packaging
  • System.Private.Windows.Core.TestUtilities
  • System.Reflection.MetadataLoadContext
  • System.Resources.Extensions
  • System.Runtime.Serialization.Formatters
  • System.Security.Cryptography.Xml
  • System.Security.Permissions
  • System.Windows.Extensions

Microsoft Reviewers: Open in CodeFlow

Associated changes in source repos

• dotnet/arcade@5a63d05...7dad901
• dotnet/diagnostics@7a10c17...8aad68b
• dotnet/efcore@2892c33...f6d957e
• dotnet/emsdk@36f4c44...643f6ed
• dotnet/msbuild@74878b5...c1c99ee
• NuGet/NuGet.Client@fa1508b...6279805
• dotnet/runtime@0d73c1f...00cc051
• dotnet/source-build-assets@0515390...6d519fc
• microsoft/vstest@05cd781...8ed19ef

Diff the source with this PR branch

darc vmr diff --name-only https://github.com/dotnet/dotnet:6a03f1dd6b109506102e265da3cb549381f5ed6b..https://github.com/dotnet/wpf:darc-main-a9f65ba2-606e-414c-a732-06ef4ad35cc0

[dotnet-maestro]

Note

Other PRs in the commit range

• [main] Source code updates from dotnet/source-build-assets dotnet#10146
• [main] Source code updates from nuget/nuget.client dotnet#10093

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-policy-service]

Go, you big red fire engine!

[dotnet-maestro]

Note

Other PRs in the commit range

• [main] Source code updates from dotnet/arcade dotnet#10199
• [main] Source code updates from dotnet/msbuild dotnet#10120
• [main] Source code updates from nuget/nuget.client dotnet#10201
• [wasm][debugger] Escape values in expression evaluation scripts dotnet#10217
• Use servicing XL pools for release branch builds dotnet#10191
• [main] Source code updates from dotnet/runtime dotnet#10153
• Keep non-shipping Mono packages prerelease dotnet#10230
• Discard abandoned SSR output when a component redirects mid-render dotnet#10221
• Fix Core Identity email lookup dotnet#10222
• Avoid rescanning in FormPipeReader when form data arrives incrementally dotnet#10219
• Stop the HTTP/1 request loop when the connection is aborted dotnet#10225
• Make FileBufferingReadStream lazily rent buffer dotnet#10220
• Harden Negotiate LDAP role and identity validation dotnet#10226
• Port .NET 11 Blazor component fix dotnet#10240

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-maestro]

Note

Other PRs in the commit range

• Reject non-predefined cultures in request localization fallback dotnet#10224
• [wasm] Encode exception text on debug page dotnet#10223
• Fix MessageBuffer.ResendAsync and send-side FIN DoS dotnet#10241
• [main] Source code updates from microsoft/vstest dotnet#10200

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[pranav-gupta-msft]

Dependency update PR - changes limited to eng/Version.Details.props, eng/Version.Details.xml, and global.json. Approving as a routine dependency and SDK update from dotnet-maestro.

[dotnet-maestro]

Note

Other PRs in the commit range

• [main] Update dependencies from dotnet/llvm-project, dotnet/node dotnet#10118
• [main] Source code updates from dotnet/efcore dotnet#10150
• Add branchClassification.yml for 1ES dotnet#10248
• [main] Source code updates from dotnet/emsdk dotnet#10147
• Clean up features list in PACKAGE.md dotnet#10251
• [main] Update dependencies from dotnet/node dotnet#10255
• [main] Source code updates from dotnet/diagnostics dotnet#10092
• [main] Source code updates from dotnet/efcore dotnet#10265

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[pranav-gupta-msft]

Dependency update PR - changes limited to eng/Version.Details.props, eng/Version.Details.xml, and global.json. Approving as a routine dependency and SDK update from dotnet-maestro.