Python 3.15.0 beta 2 is here
Python 3.15.0 beta 2 has been released as a preview for testing new features and bug fixes. This beta is the second of four planned releases before the final version is available. Developers are encouraged to test their projects with this release and report any issues found.
- ▪Python 3.15.0 beta 2 is the second of four planned beta releases.
- ▪Major new features include explicit lazy imports and a new frozendict built-in type.
- ▪The next pre-release, 3.15.0b3, is scheduled for June 23, 2026.
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Python 3.15.0 beta 2 is here! Hugo van Kemenade / June 2, 2026 releases python.org/downloads/release/python-3150b2 This is a beta preview of Python 3.15 Python 3.15 is still in development. This release, 3.15.0b2, is the second of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. We strongly encourage maintainers of third-party Python projects to test with 3.15 during the beta phase and report issues found to the Python bug tracker as soon as possible.
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