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Python Insider: Python 3.14.0 beta 3 is here!
- Python 3.14.0 beta 3 is now available, as part of the Python 3.14 development cycle.
- Beta releases like 3.14.0b3 allow the community to test new features and bug fixes before the final release.
- Maintainers of third-party Python projects are encouraged to test with 3.14 and report any issues.
- Python 3.14 is feature-complete in the beta phase, with minimal changes expected after the first release candidate.
- Key features of Python 3.14 include support for free-threaded Python, deferred type annotation evaluation, and template string literals.
- Other additions in Python 3.14 are multiple interpreters in the standard library, Zstandard compression support, and improved UUID module.
- Python 3.14 also introduces enhancements in debugging, error messages, HMAC implementation, and remote attaching in the pdb module.
- Build changes include using Sigstore for verifying release artifacts and providing an experimental JIT compiler in macOS and Windows binaries.
- Incompatible changes, removals, and deprecations are documented for Python 3.14.
- The Python installer for Windows is replaced by a new install manager, available from the Windows Store or FTP page.
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