maccatalyst/iossimulator Debug CoreCLR work items fail with PACKAGE_NOT_FOUND (missing Info.plist)

[kotlarmilos]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1362636
Build error leg or test failing: Microsoft.Extensions.DependencyInjection.ExternalContainers.Tests.WorkItemExecution, System.ComponentModel.Primitives.Tests.WorkItemExecution
Pull request: #125441

Affected CI jobs: build_maccatalyst_arm64_Debug_AllSubsets_CoreCLR_Smoke_Debug, build_iossimulator_arm64_Debug_AllSubsets_CoreCLR_Smoke

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "Failed to find Info.plist inside the app bundle",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Summary

On maccatalyst-arm64 Debug CoreCLR and iossimulator-arm64 Debug CoreCLR legs, XHarness reports exit code 4 (PACKAGE_NOT_FOUND) because it cannot find Info.plist inside the built app bundle. This prevents the test app from launching.

4 work items affected:

• Microsoft.Extensions.DependencyInjection.ExternalContainers.Tests (both legs)
• System.ComponentModel.Primitives.Tests (both legs)

Note

This issue was filed with the assistance of GitHub Copilot.

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1362636
Error message validated: [Failed to find Info.plist inside the app bundle]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 4/2/2026 10:17:21 AM UTC

Report

Build	Definition	Test	Pull Request
1375562	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution
1374903	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution
1373303	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution
1372860	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution	#126631
1372798	dotnet/runtime	iOS.Device.ParallelForEachAsync.Test.WorkItemExecution	#126720
1371570	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution	#126684
1371501	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution
1370371	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution	#125437
1370910	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution	#126652
1369438	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution
1367026	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution
1365045	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution
1362636	dotnet/runtime	System.ComponentModel.Primitives.Tests.WorkItemExecution	#125441

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
1	10	13

[dotnet-policy-service]

Tagging subscribers to 'os-ios': @vitek-karas, @kotlarmilos, @steveisok, @akoeplinger
See info in area-owners.md if you want to be subscribed.

[dotnet-policy-service]

Tagging subscribers to 'os-maccatalyst': @vitek-karas, @kotlarmilos, @steveisok, @akoeplinger
See info in area-owners.md if you want to be subscribed.

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/area-infrastructure-libraries
See info in area-owners.md if you want to be subscribed.

[kotlarmilos]

One assumption is that the .framework in .app bundle isn't properly signed