Python 3.14.6

Release Date: June 10, 2026

Python 3.14.6 is the sixth maintenance release of the 3.14 series with roughly 179 bugfixes, build corrections, and documentation patches.

asyncio.TaskGroup cancellation fix — resolves a regression where tasks could be orphaned under specific exception-propagation patterns
SSL certificate chain validation correction — fixes a bug affecting custom verification callbacks in the ssl module
functools.lru_cache performance regression reverted — a slowdown introduced in 3.14.4 is corrected
Build fixes for ARM64 Windows and musl libc — platform-specific build issues resolved

Available from python.org/downloads/.