v4.0.3

Estimated end-of-life date, accurate to within three months: 05-2027 See the support level definitions for more information.

Bug Fixes

• CI Visibility: This fix resolves an issue where code coverage instrumentation in Python 3.9 would raise an exception while handling line numbers in some corner cases.

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• profiling: a bug causing crashes when using uvloop and forking has been resolved.

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• profiling: This fix resolves an issue where memory profiler module fails to load when the system doesn't have libatomic installed.

• profiling: This fix ensures the profiler now correctly tracks dependencies between Tasks and Coroutines that are awaiting or being awaited via asyncio.wait.