[main] Source code updates from dotnet/fsharp

[dotnet-maestro]

Note

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

This pull request brings the following source code changes

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

• Subscription: 849f1809-6e35-479f-9764-9b3e44c0c1ab
• Build: 20251014.3 (287048)
• Date Produced: October 14, 2025 5:00:59 PM UTC
• Commit: 38e76550a9bee6b35854742e239338245990dcc9
• Commit Diff: 753cb84...38e7655
• Branch: main

[dotnet-maestro]

Note

PRs from original repository included in this codeflow update:

• [main] Source code updates from dotnet/dotnet fsharp#18995
• [main] Update dependencies from dotnet/msbuild fsharp#18987
• [automated] Merge branch 'release/dev18.0' => 'main' fsharp#18968
• Double the iterations in StackOverflowRepro - see if it fails MacOS fsharp#18952

In case of unclarities, consult the FAQ or tag @dotnet/product-construction for assistance.

[dotnet-maestro]

Important

There are conflicts with the main branch in this PR. Apart from conflicts in the source files, this means there are unresolved conflicts in the codeflow metadata file src/source-manifest.json.
When resolving these, please use the (incoming/ours) version from the PR branch. The correct content should be this:

{
  "barId": 287048,
  "path": "fsharp",
  "remoteUri": "https://github.com/dotnet/fsharp",
  "commitSha": "38e76550a9bee6b35854742e239338245990dcc9"
}

In case of unclarities, consult the FAQ or tag @dotnet/product-construction for assistance.