Python 3.15.0 beta 1 is here
15 hours ago
- #beta testing
- #new features
- #Python 3.15 beta
- Python 3.15.0 beta 1 is the first beta release, marking feature freeze and is intended for community testing and bug reporting before the final release.
- Major new features include explicit lazy imports for faster startup, frozendict and sentinel built-in types, a dedicated profiling package, default UTF-8 encoding, and improved JIT compiler with performance gains.
- The release is not recommended for production due to potential ABI changes; production use should wait until release candidate 1 (3.15.0rc1) in August 2026.