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[release/11.0.1xx-preview4] Keep using the desktop MSBuild assemblies when building from within Visual Studio.#25262

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rolfbjarne wants to merge 1 commit intorelease/11.0.1xx-preview4from
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[release/11.0.1xx-preview4] Keep using the desktop MSBuild assemblies when building from within Visual Studio.#25262
rolfbjarne wants to merge 1 commit intorelease/11.0.1xx-preview4from
dev/rolf/backport-pr-25249-release/11.0.1xx-preview4-2026-04-28

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@rolfbjarne
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Keep using the desktop MSBuild assemblies when building from within Visual
Studio, while we track down why it's not working and fix it for a future release.

Ref: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/2968169

Backport of #25249.

…ing from within Visual Studio.

Keep using the desktop MSBuild assemblies when building from within Visual
Studio, while we track down why it's not working and fix it for a future
release.

Ref: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/2968169
Copilot AI review requested due to automatic review settings April 28, 2026 06:13
@rolfbjarne rolfbjarne changed the title [release/11.0.1xx-preview4] [relase/10.0.1x] Keep using the desktop MSBuild assemblies when building from within Visual Studio. [release/11.0.1xx-preview4] Keep using the desktop MSBuild assemblies when building from within Visual Studio. Apr 28, 2026
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Pull request overview

Adjusts the iOS SDK MSBuild property defaults so that builds invoked from inside Visual Studio continue to use the “desktop”/in-proc task assembly layout (netstandard2.0 task assemblies), as a temporary mitigation while investigating failures with the newer task assembly setup.

Changes:

  • Default $( _UseDesktopTaskAssemblies ) to true when $(BuildingInsideVisualStudio) is true and the property hasn’t been set already.
  • This causes CoreiOSSdkDirectory (and downstream task assembly selection) to continue using the netstandard2.0 task assemblies for VS-hosted builds.

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✅ [PR Build #1dcea14] Build passed (Build packages) ✅

Pipeline on Agent
Hash: 1dcea142cc6576508f3eff4f981a30de865416e5 [PR build]

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✅ [PR Build #1dcea14] Build passed (Detect API changes) ✅

Pipeline on Agent
Hash: 1dcea142cc6576508f3eff4f981a30de865416e5 [PR build]

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✅ API diff for current PR / commit

NET (empty diffs)

✅ API diff vs stable

NET (empty diffs)

ℹ️ Generator diff

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

Pipeline on Agent
Hash: 1dcea142cc6576508f3eff4f981a30de865416e5 [PR build]

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✅ [CI Build #1dcea14] Build passed (Build macOS tests) ✅

Pipeline on Agent
Hash: 1dcea142cc6576508f3eff4f981a30de865416e5 [PR build]

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🚀 [CI Build #1dcea14] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 161 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 9 tests passed. Html Report (VSDrops) Download
✅ linker: All 44 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ monotouch (iOS): All 15 tests passed. [attempt 3] Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 19 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 12 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 15 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. 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 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. [attempt 4] Html Report (VSDrops) Download

Linux Build Verification

Linux build succeeded

Pipeline on Agent
Hash: 1dcea142cc6576508f3eff4f981a30de865416e5 [PR build]

@rolfbjarne rolfbjarne enabled auto-merge (squash) April 29, 2026 08:30
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