# Python 3.15.0 beta 2 is here!

DevFeed: [Python 3.15.0 beta 2 is here!](<https://devfeed.tech/articles/python-3-15-0-beta-2-is-here-2404.md>)

Original publisher: [Read original article](<https://blog.python.org/2026/06/python-3150-beta-2/>)

Author: Hugo van Kemenade

Published: 2026-06-02T00:00:00Z

Content type: release

Language: en

Sources: [Python Insider](<https://devfeed.tech/sources/python-insider.md>)

Topics: [Python](<https://devfeed.tech/topics/python.md>), [releases](<https://devfeed.tech/topics/releases.md>), [JIT](<https://devfeed.tech/topics/jit.md>), [observability](<https://devfeed.tech/topics/observability.md>), [Compiler](<https://devfeed.tech/topics/compiler.md>)

Tags: [jit](<https://devfeed.tech/tags/jit.md>), [maintainers](<https://devfeed.tech/tags/maintainers.md>), [observability](<https://devfeed.tech/tags/observability.md>), [performance](<https://devfeed.tech/tags/performance.md>), [python](<https://devfeed.tech/tags/python.md>), [release](<https://devfeed.tech/tags/release.md>), [releases](<https://devfeed.tech/tags/releases.md>), [testing](<https://devfeed.tech/tags/testing.md>)

## AI overview

Python 3.15.0b2 is the second of four planned beta releases. The preview includes new language and type-system features, profiling and observability improvements, a significantly upgraded JIT compiler, improved error messages, and updated Windows binaries. The article encourages maintainers to test the beta and report issues, while recommending that production releases wait until the first release candidate.

## Source excerpt

The antepenultimate 3.15 beta is out!