[release/10.0] Source code updates from dotnet/dotnet

[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: 7442e8e7-a558-4305-8b1f-3fa7e892b4a1
• Build: 20260120.4 (297972)
• Date Produced: January 20, 2026 4:19:22 PM UTC
• Commit: 455f1358f39b4d38fa3893c327a45027c4a81843
• Commit Diff: 99f9e99...455f135
• Branch: release/10.0.1xx

Updated Dependencies

• From 10.0.0-beta.26065.102 to 10.0.0-beta.26070.104
  • Microsoft.DotNet.Arcade.Sdk
  • Microsoft.DotNet.Build.Tasks.Templating
  • Microsoft.DotNet.CMake.Sdk
  • Microsoft.DotNet.GenFacades
  • Microsoft.DotNet.Helix.Sdk
  • Microsoft.DotNet.RemoteExecutor
  • Microsoft.DotNet.XUnitV3Extensions
• From 10.0.3 to 10.0.3
  • Microsoft.NET.Sdk.IL
  • Microsoft.NETCore.App.Ref
  • Microsoft.NETCore.ILAsm
  • Microsoft.NETCore.ILDAsm
  • Microsoft.Win32.SystemEvents
  • runtime.win-x64.Microsoft.NETCore.ILAsm
  • runtime.win-x86.Microsoft.NETCore.ILAsm
  • System.CodeDom
  • System.Configuration.ConfigurationManager
  • System.Formats.Nrbf
  • System.IO.Hashing
  • System.Reflection.MetadataLoadContext
  • System.Resources.Extensions
  • System.Runtime.Serialization.Formatters
  • System.Text.Encodings.Web
  • System.Text.Json
  • System.Windows.Extensions
• From 10.0.3-servicing.26065.102 to 10.0.3-servicing.26070.104
  • Microsoft.NETCore.Platforms

Associated changes in source repos

• dotnet/aspnetcore@ae5295f...d4361d8
• dotnet/efcore@5e28bfb...5f83f17
• dotnet/msbuild@8f3a06b...b21f3b4
• dotnet/sdk@400e46e...043eaf5
• dotnet/source-build-reference-packages@1f538e5...ad86fd7
• dotnet/templating@8f6252e...d354fe2
• dotnet/windowsdesktop@46806c8...7a87100
• f016950...88624f3

Diff the source with this PR branch

darc vmr diff --name-only https://github.com/dotnet/dotnet:455f1358f39b4d38fa3893c327a45027c4a81843..https://github.com/dotnet/winforms:darc-release/10.0-d0e78459-05c5-4dba-98b3-fb82b5b08339

Microsoft Reviewers: Open in CodeFlow

[dotnet-policy-service]

Go, you big red fire engine!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.10675%. Comparing base (068f89e) to head (f1e73ec).
⚠️ Report is 1 commits behind head on release/10.0.

Additional details and impacted files

@@                  Coverage Diff                   @@
##           release/10.0      #14227         +/-   ##
======================================================
+ Coverage      77.09962%   77.10675%   +0.00713%     
======================================================
  Files              3273        3273                 
  Lines            645033      645033                 
  Branches          47701       47701                 
======================================================
+ Hits             497318      497364         +46     
+ Misses           144042      143988         -54     
- Partials           3673        3681          +8     

Flag	Coverage Δ
Debug	77.10675% <ø> (+0.00713%)	⬆️
integration	18.97561% <ø> (-0.00244%)	⬇️
production	51.92615% <ø> (+0.01597%)	⬆️
test	97.40998% <ø> (ø)
unit	49.34394% <ø> (+0.00903%)	⬆️

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