While Python 3.14 is expected to be feature-complete, certain features may still be adjusted or removed before the release candidate phase, which is set to begin on July 22, 2025. It is crucial for developers to engage with this beta to minimize changes after the fourth beta version and ensure stability in the final release.
Among the notable new features in Python 3.14 are deferred evaluation of type annotations, template string literals (t-strings), a new compression.zstd module for Zstandard compression, syntax highlighting in PyREPL, and enhancements to the UUID module that include support for versions 6-8. Other improvements include a zero-overhead debugger interface for CPython, better error messages, and a revised C API. There is also a new interpreter type aimed at providing better performance for newer compilers, though it requires building from source.
This beta release is not recommended for production use, and developers are advised to stay tuned for the next pre-release, 3.14.0b2, scheduled for May 27, 2025. Further details on the changes can be found in the official Python documentation.
Overall, Python 3.14 aims to introduce significant advancements and improvements, making it a noteworthy update for the community. As development continues, engaging with the beta phase will be critical for ensuring a smooth transition to the final version
Python 3.14.0 Beta 1 released
Python 3.14.0 beta 1 has been released, representing the initial installment of four anticipated beta versions. This release offers the broader community a chance to evaluate new features and address bug fixes, ensuring their projects are ready for the upcoming release. It is recommended that maintainers of third-party Python projects conduct testing with Python 3.14 during the beta phase and report any issues to the Python bug tracker. The release is scheduled to be feature-complete; however, it may undergo modifications or be removed prior to the release candidate phase. Significant new features encompass deferred evaluation of type annotations, template string literals, and the introduction of the compression.zstd module, syntax highlighting in PyREPL, a zero-overhead external debugger interface for CPython, support for UUID versions 6-8, and enhanced error messages. The upcoming pre-release is version 3.14.0b2, set to be available on May 27, 2025.
