PEP 790 – Python 3.15 Release Schedule

Table of Contents

Abstract

This document describes the development and release schedule for Python 3.15.

The dates below use a 17-month development period that results in a 12-month release cadence between feature versions, as defined by PEP 602.

Actual:

Expected:

3.15.1: Tuesday, 2026-12-01
3.15.2: Tuesday, 2027-02-02
3.15.3: Tuesday, 2027-04-06
3.15.4: Tuesday, 2027-06-01
3.15.5: Tuesday, 2027-08-03
3.15.6: Tuesday, 2027-10-05
3.15.7: Tuesday, 2027-12-07
3.15.8: Tuesday, 2028-02-01
3.15.9: Tuesday, 2028-04-04
3.15.10: Tuesday, 2028-06-06
3.15.11: Tuesday, 2028-08-01
3.15.12: Tuesday, 2028-10-03 (Final regular bugfix release with binary installers)

Provided irregularly on an as-needed basis until October 2031.

Python 3.15 will receive bugfix updates approximately every second month for two years.
Around the time of the release of 3.17.0 final, the final 3.15 bugfix update will be released.
After that, it is expected that security updates (source only) will be released for the next three years, until five years after the release of 3.15.0 final, so until approximately October 2031.

This document is placed in the public domain or under the CC0-1.0-Universal license, whichever is more permissive.