# Python 3.15.0 alpha 6

DevFeed: [Python 3.15.0 alpha 6](<https://devfeed.tech/articles/python-3-15-0-alpha-6-2390.md>)

Original publisher: [Read original article](<https://blog.python.org/2026/02/python-3150-alpha-6/>)

Author: Hugo van Kemenade

Published: 2026-02-11T00:00:00Z

Content type: release

Language: en

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

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

Tags: [developer](<https://devfeed.tech/tags/developer.md>), [features](<https://devfeed.tech/tags/features.md>), [github](<https://devfeed.tech/tags/github.md>), [jit](<https://devfeed.tech/tags/jit.md>), [performance](<https://devfeed.tech/tags/performance.md>), [python](<https://devfeed.tech/tags/python.md>), [release](<https://devfeed.tech/tags/release.md>), [release-schedule](<https://devfeed.tech/tags/release-schedule.md>), [releases](<https://devfeed.tech/tags/releases.md>)

## AI overview

Python 3.15.0a6 is an early developer preview and the sixth of eight planned alpha releases. It introduces or advances features including a statistical sampling profiler, unpacking in comprehensions, UTF-8 as the default encoding, a new C API for Python bytes objects, typed extra items, an upgraded JIT compiler, and improved error messages.

## Source excerpt

This is an early developer preview of Python 3.15 www.python.org/downloads/release/python-3150a6/ Major new features of the 3.15 series, compared to 3.14 Pyt...