# Python 3.15.0 alpha 2

DevFeed: [Python 3.15.0 alpha 2](<https://devfeed.tech/articles/python-3-15-0-alpha-2-2381.md>)

Original publisher: [Read original article](<https://blog.python.org/2025/11/python-3150a2/>)

Author: Hugo van Kemenade

Published: 2025-11-19T00:00:00Z

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>), [Development](<https://devfeed.tech/topics/development.md>)

Tags: [bug-fixes](<https://devfeed.tech/tags/bug-fixes.md>), [new-features](<https://devfeed.tech/tags/new-features.md>), [pre-release](<https://devfeed.tech/tags/pre-release.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 3.15.0 alpha 2 is an early developer preview in the Python 3.15 series. It highlights a new statistical sampling profiler, UTF-8 as the default encoding, a C API for creating Python bytes objects, and improved error messages.

## Source excerpt

This is an early developer preview of Python 3.15 https://www.python.org/downloads/release/python-3150a2/ Major new features of the 3.15 series, compared to ...