main
gh-148853: Catch PermissionError in test in_systemd_nspawn_sync_suppressed() (#148854)
gh-149776: Skip UDP Lite tests if it's not supported (#149777)
gh-150114: Log the memory usage in regrtest (#150255)
gh-150387: Fix hang in test_run_failed_script_live on slow buildbots (#150405)
gh-150966: Fix live profiling error tests (GH-151020)
gh-151130: Add more tests for PyWeakref_* C API (GH-151131)
gh-151096: Fix test_embed with split exec prefix (#151288)
gh-151626: Fix tests that fail when PYTHONPYCACHEPREFIX is set (GH-151952)
gh-152548: Add a test.support.isolation.runInSubprocess() decorator (GH-152551)
gh-154144: Fix false positive from the stdbool.h guard in _testcapimodule.c (GH-154145)
gh-154167: Fix test suite hang when SIGINT is ignored (GH-154168)
gh-154211: Skip C-stack exhaustion tests when the C stack is huge (GH-154212)
gh-76595: Add tests for PyCapsule_Import() (GH-154588)
gh-155109: Run tests exhausting the C stack with a limited C stack (GH-155120)
gh-155411: Fix test.support.subTests() for asynchronous tests (GH-155412)
Link to blurb on PyPI in the NEWS.d READMEs. (#3323)