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[dotnet] Use the target framework version to compute the path to the task assembly.#25060

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rolfbjarne merged 1 commit intomainfrom
dev/rolf/msbuild-task-framework-version
Apr 1, 2026
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[dotnet] Use the target framework version to compute the path to the task assembly.#25060
rolfbjarne merged 1 commit intomainfrom
dev/rolf/msbuild-task-framework-version

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For a .NET 10 version of our workload we have a "net10.0" version of the task assembly.

However, '$(BundledNETCoreAppTargetFrameworkVersion)' is the version of .NET
that is running - which would be '11.0' if using .NET 11 - so we can't use
this variable.

So use '$(TargetFramework)' instead, that should get the right 'netX.Y'
version for the path to the task assembly.

…task assembly.

For a .NET 10 version of our workload we have a "net10.0" version of the task assembly.

However, '$(BundledNETCoreAppTargetFrameworkVersion)' is the version of .NET
that is running - which would be '11.0' if using .NET 11 - so we can't use
this variable.

So use '$(TargetFramework)' instead, that should get the right 'netX.Y'
version for the path to the task assembly.
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Pull request overview

Updates the workload MSBuild targets to locate the correct Xamarin.MacDev.Tasks.dll based on the project’s target framework version (instead of the .NET runtime version), which is necessary when multiple task assemblies exist for different netX.Y versions (e.g., net10.0 vs net11.0).

Changes:

  • Switches task assembly path computation from $(BundledNETCoreAppTargetFrameworkVersion) to $(TargetFrameworkVersion) to pick the correct netX.Y folder.

<_TaskAssemblyFileNameWindows>Xamarin.iOS.Tasks.Windows.dll</_TaskAssemblyFileNameWindows>
<_TaskAssemblyRootDirectory>$(MSBuildThisFileDirectory)\..\tools\msbuild\</_TaskAssemblyRootDirectory>
<_TaskAssemblyName Condition="'$(_UseDesktopTaskAssemblies)' != 'true'">$(_TaskAssemblyRootDirectory)net$(BundledNETCoreAppTargetFrameworkVersion)\$(_TaskAssemblyFileName)</_TaskAssemblyName>
<_TaskAssemblyName Condition="'$(_UseDesktopTaskAssemblies)' != 'true'">$(_TaskAssemblyRootDirectory)net$(TargetFrameworkVersion.TrimStart('vV'))\$(_TaskAssemblyFileName)</_TaskAssemblyName>
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TargetFrameworkVersion is already used elsewhere in the dotnet targets without a leading v (e.g. VersionEquals($(TargetFrameworkVersion), '6.0') in Xamarin.Shared.Sdk.DefaultItems.targets), so the extra .TrimStart('vV') here looks unnecessary and adds a somewhat brittle property-function call. Consider simplifying to net$(TargetFrameworkVersion) (or using $([MSBuild]::GetTargetFrameworkVersion('$(TargetFramework)')) if you want to derive the version from $(TargetFramework) explicitly).

Suggested change
<_TaskAssemblyName Condition="'$(_UseDesktopTaskAssemblies)' != 'true'">$(_TaskAssemblyRootDirectory)net$(TargetFrameworkVersion.TrimStart('vV'))\$(_TaskAssemblyFileName)</_TaskAssemblyName>
<_TaskAssemblyName Condition="'$(_UseDesktopTaskAssemblies)' != 'true'">$(_TaskAssemblyRootDirectory)net$(TargetFrameworkVersion)\$(_TaskAssemblyFileName)</_TaskAssemblyName>

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✅ [CI Build #c7c5909] Build passed (Build packages) ✅

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Hash: c7c590999883f2166e12b731b2afe56f0458f1d0 [PR build]

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✅ [PR Build #c7c5909] Build passed (Detect API changes) ✅

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Hash: c7c590999883f2166e12b731b2afe56f0458f1d0 [PR build]

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✅ API diff for current PR / commit

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Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

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✅ [CI Build #c7c5909] Build passed (Build macOS tests) ✅

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Hash: c7c590999883f2166e12b731b2afe56f0458f1d0 [PR build]

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🚀 [CI Build #c7c5909] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 156 tests passed 🎉

Tests counts

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 6 tests passed. Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 11 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 15 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ monotouch (macOS): All 12 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 11 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ sharpie: All 1 tests passed. Html Report (VSDrops) Download
✅ windows: All 3 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

macOS tests

✅ Tests on macOS Monterey (12): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Ventura (13): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sonoma (14): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sequoia (15): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Tahoe (26): All 5 tests passed. Html Report (VSDrops) Download

Linux Build Verification

Linux build succeeded

Pipeline on Agent
Hash: c7c590999883f2166e12b731b2afe56f0458f1d0 [PR build]

@rolfbjarne rolfbjarne merged commit 82744a1 into main Apr 1, 2026
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