[ci] Always install the universal iOS simulator. #32003
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Otherwise: 1. The arm64 iOS simulator isn't able to run x64 apps. 2. We run x64 apps in the iOS simulator in dotnet/macios (even on arm64 bots). 3. If MAUI installs the arm64 iOS simulator, it'll make our x64 tests apps fail to launch. So fix this by installing the universal iOS simulator when using Xcode 26+ (earlier versions of Xcode doesn't support the '-architectureVariant' argument).
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Pull Request Overview
This PR modifies Xcode simulator provisioning in CI pipelines to always install universal iOS simulators on Xcode 26+, ensuring compatibility with x64 test apps running on arm64 machines.
Key Changes:
- Adds conditional logic to install universal iOS simulators when Xcode version is 26 or greater
- Maintains backward compatibility by falling back to standard iOS platform download for earlier Xcode versions
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| eng/pipelines/common/provision.yml | Adds Xcode version check and conditional universal iOS simulator installation during provisioning |
| eng/pipelines/arcade/setup-test-env.yml | Adds identical Xcode version check and conditional universal iOS simulator installation for test environment setup |
rolfbjarne
changed the title
rmarinho
approved these changes
Oct 15, 2025
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|
/backport release/10.0.1xx |
Member
|
/backport to net10.0 |
Contributor
|
Started backporting to net10.0: https://github.com/dotnet/maui/actions/runs/18620708202 |
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Description of Change
Always install the universal iOS simulators.
Otherwise:
So fix this by installing the universal iOS simulator when using Xcode 26+
(earlier versions of Xcode doesn't support the '-architectureVariant'
argument).
Note
Are you waiting for the changes in this PR to be merged?
Yes!
N/A