[RuntimeAsync] Remove [RequiresPreviewFeatures] on runtime async API#124488
Merged
VSadov merged 6 commits intodotnet:mainfrom Feb 17, 2026
Merged
[RuntimeAsync] Remove [RequiresPreviewFeatures] on runtime async API#124488VSadov merged 6 commits intodotnet:mainfrom
VSadov merged 6 commits intodotnet:mainfrom
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Pull request overview
Removes preview-feature annotations from the Runtime Async helper APIs and cleans up test/project warning suppressions that were only needed due to RequiresPreviewFeatures.
Changes:
- Removed
[RequiresPreviewFeatures]fromSystem.Runtime.CompilerServices.AsyncHelpersAPIs (ref + implementation). - Dropped
SYSLIB5007suppressions from runtime-async related test builds. - Updated linker test compile arguments to no longer suppress
SYSLIB5007.
Reviewed changes
Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/RuntimeAsyncMethods.cs | Removes SYSLIB5007 suppression from linker test compilation. |
| src/tests/async/Directory.Build.props | Removes SYSLIB5007 from global NoWarn for async tests. |
| src/tests/Interop/COM/RuntimeAsync/RuntimeAsync.csproj | Removes SYSLIB5007 suppression (but leaves a redundant NoWarn property). |
| src/libraries/System.Runtime/ref/System.Runtime.cs | Removes [RequiresPreviewFeatures] from AsyncHelpers public reference surface. |
| src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.cs | Removes [RequiresPreviewFeatures] from the library implementation (and stubs). |
| src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs | Removes [RequiresPreviewFeatures] from CoreCLR implementation helper (TransparentAwait). |
src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.cs
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jkotas
approved these changes
Feb 17, 2026
jkotas
approved these changes
Feb 17, 2026
This was referenced Feb 17, 2026
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/ba-g mono interpreter failures is #100800 |
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Thanks! |
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The purpose of this attribute is to ship preview features in non-preview releases.
Also removes SYSLIB5007 suppressions as not needed. The API is not marked experimental for some time now.