What’s New in Python 3.14 RC3? Key Features, Release Timeline, and Upgrade Tips
Python 3.14.0rc3, the final release candidate of the upcoming 3.14 series, arrives with major updates—including PEP 779’s GIL‑free support, delayed annotation evaluation, new t‑strings, multi‑interpreter stdlib, Zstandard compression, enhanced UUID generation, and build changes—while urging developers to prepare for the October 7 final release.
