# Python 3.15.0 alpha 7

DevFeed: [Python 3.15.0 alpha 7](<https://devfeed.tech/articles/python-3-15-0-alpha-7-2394.md>)

Original publisher: [Read original article](<https://blog.python.org/2026/03/python-3150-alpha-7/>)

Author: Hugo van Kemenade

Published: 2026-03-10T00:00:00Z

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>), [releases](<https://devfeed.tech/topics/releases.md>), [Compiler](<https://devfeed.tech/topics/compiler.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [macOS](<https://devfeed.tech/topics/macos.md>)

Tags: [jit](<https://devfeed.tech/tags/jit.md>), [linux](<https://devfeed.tech/tags/linux.md>), [macos](<https://devfeed.tech/tags/macos.md>), [python](<https://devfeed.tech/tags/python.md>), [release](<https://devfeed.tech/tags/release.md>), [releases](<https://devfeed.tech/tags/releases.md>)

## AI overview

Python 3.15.0a7 is the seventh of eight planned alpha releases and provides an early developer preview of the in-development Python 3.15 series. It introduces or advances features including explicit lazy imports, a statistical sampling profiler, unpacking in comprehensions, UTF-8 as the default encoding, improved typing support, a new C API for bytes objects, upgraded JIT compilation, and improved error messages.

## Source excerpt

The penultimate 3.15 alpha is out!