Roman Konecny

I really need local repro. Does anyone knows how to?

I guess there are multiple failure modes. - For failures with `System.Threading.Mutex.CreateMutexCore` in stack trace there is already PR in msbuild https://github.com/dotnet/msbuild/pull/8000. - Some tests failed on timeouts - Some...

@jonathanpeppers It has been a quite for a while. I assume, it has been resolved. Please reopen it, if you still experience this issue.

I took perfview traces and binlogs of this repro (sln open in VS). By looking at the traces and binary logs I have not identified any MSBuild core functionality inefficiency....

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