See #13737 for more details.

These are new in .NET 5.0: https://docs.microsoft.com/en-us/dotnet/api/system.operatingsystem?view=net-5.0

They expose methods for all the common operating systems like OperatingSystem.IsWindows() but also still support the API where you pass in a string: OperatingSystem.IsOSPlatform(string platform).

The new APIs are easier to understand so we should consider exposing them.

Hi.

When converting a project that has a reference to another project and uses an Alias, the Aliases element is not preserved.

For example, before try-convert:

    <ProjectReference Include="..\ProjectB\ProjectB.csproj">
      <Project>{e8b261af-d233-4260-baf8-7446ece92154}</Project>
      <Name>ProjectB</Name>
      <Aliases>ProjectBAlias</Aliases>
    </ProjectReference>

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