How can I remove the platforms I do not need to compile for in .net MAUI?

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Required Change

  • In your .csproj file, remove the targets for the platforms you aren’t building for, reducing it to the following:

    <TargetFrameworks>net6.0-maccatalyst</TargetFrameworks>
<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net6.0-windows10.0.19041.0</TargetFrameworks>
Optional Changes

  • In your .csproj file, remove the supported version information for the platforms you aren’t building for, reducing it to the following:

    <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>

  • Delete any subdirectories under the Platforms folder for the platforms you aren’t building for.

Caveats
  • You can only build for the Windows platform on a Windows machine.
  • You can only build for MacCatalyst from a Mac, or from a Windows machine that has been set up with Pair to Mac.

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