Pin .NET SDK and Xcode for dotnet-maui CI#271
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Bulzan Sergiu (busec0) merged 5 commits intomainfrom Apr 27, 2026
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Bulzan Sergiu (busec0)
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Kristopher Johnson (kristopherjohnson)
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dotnet workload restore --from-rollback-file fails because the command internally invokes install with --skip-manifest-update, which conflicts with --from-rollback-file. Use update first to pin manifest versions, then plain restore to install workloads using those pins. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Pull request overview
Pins the .NET SDK, MAUI workload manifest versions, and Xcode version used by the dotnet-maui GitHub Actions workflow to prevent CI breakages caused by upstream workload/Xcode compatibility shifts.
Changes:
- Add
dotnet-maui/global.jsonto pin the .NET SDK used by the MAUI CI workflow. - Add a MAUI
workload-rollback.jsonto pin workload manifest versions for iOS/Android/MAUI. - Update
.github/workflows/dotnet-maui-ci.ymlto use the pinned global.json, restore workloads from the rollback file, and pin Xcode for the iOS build job.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| dotnet-maui/global.json | Introduces a pinned SDK selection for MAUI-related builds. |
| dotnet-maui/DittoMauiTasksApp/workload-rollback.json | Adds explicit workload manifest version pinning for reproducible workload restores. |
| .github/workflows/dotnet-maui-ci.yml | Switches CI to pinned SDK/workloads and pins Xcode for the iOS build job to avoid runner image drift. |
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The workload manifest pin alone wasn't enough — the macos-26 runner has the iOS 26.2 SDK pack pre-installed, so MSBuild resolved net9.0-ios to the highest available TPV (26.2.9008), which requires Xcode 26.3. Pinning the TPV explicitly (net9.0-ios18.2, net9.0-maccatalyst18.2) forces MSBuild to use the 18.2 SDK pack regardless of what newer packs are installed on the runner. Updates the workflow build/output paths, UITests path lookup, and README examples to match. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
The workload manifest pin (18.2.9173) didn't expose a usable TPV path on the macos-26 runner — NETSDK1140 listed only 18.0 and 26.2 as valid. Rather than fight pack resolution, take the simpler route: use the latest workload and pin Xcode to 26.3 (which is what 26.2.9008 needs). Keeps the SDK pin in dotnet-maui/global.json and the explicit Xcode selection in CI so the "out of sync Xcode/.NET iOS" failure mode is still controlled, just from the Xcode side. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary