# Python 3.15's JIT is now back on track

DevFeed: [Python 3.15's JIT is now back on track](<https://devfeed.tech/articles/python-3-15-s-jit-is-now-back-on-track-2392.md>)

Original publisher: [Read original article](<https://blog.python.org/2026/03/jit-on-track/>)

Author: Ken Jin

Published: 2026-03-23T00:00:00Z

Content type: article

Language: en

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

Topics: [JIT](<https://devfeed.tech/topics/jit.md>), [Python](<https://devfeed.tech/topics/python.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [macOS](<https://devfeed.tech/topics/macos.md>)

Tags: [article](<https://devfeed.tech/tags/article.md>), [blog](<https://devfeed.tech/tags/blog.md>), [community](<https://devfeed.tech/tags/community.md>), [contributors](<https://devfeed.tech/tags/contributors.md>), [jit](<https://devfeed.tech/tags/jit.md>), [linux](<https://devfeed.tech/tags/linux.md>), [macos](<https://devfeed.tech/tags/macos.md>), [performance](<https://devfeed.tech/tags/performance.md>), [python](<https://devfeed.tech/tags/python.md>)

## AI overview

Python's CPython JIT has met its performance goals ahead of schedule for macOS AArch64 and x86_64 Linux. The article discusses preliminary Python 3.15 alpha results, the JIT's recovery from earlier slowdowns, and the community-led work and contributors behind its progress.

## Source excerpt

A look at Python's JIT in 3.15a7.