Python 3.15

Python 3.15 was released on October 9, 2026 and is supported until October 2031.

Status: Supported
Released: October 9, 2026
Security updates until: October 2031
Official lifecycle page: devguide.python.org
Checked on: October 19, 2026

Python 3.15 was released on October 9, 2026 and gets bugfix releases now. Security support is planned until October 2031. Each Python version gets bugfix releases for two years, then security fixes only until about five years after release. The Python developer guide publishes the end-of-life month.

Product: Python
Version: 3.15
Sources: Page URL
Python developer guide: versions https://devguide.python.org/versions/

Page	URL
Python developer guide: versions	https://devguide.python.org/versions/

Questions

When does Python 3.15 reach end of life?

Security updates for Python 3.15 are planned until October 2031.

Is Python 3.15 released yet?

Yes. Python 3.15 was released on October 9, 2026.

How long will Python 3.15 get bugfix releases?

Two years from release, then security fixes only until about five years after release.

Sources

Every date comes from the vendor’s official lifecycle or release page: Microsoft Lifecycle and Windows release health, Ubuntu’s release cycle, Debian releases, the Python developer guide, the Node.js release schedule, php.net, Oracle’s Java SE support roadmap and Lifetime Support Policy, the .NET support policy, PostgreSQL versioning, Mozilla’s release calendar and Google’s Pixel update policy. Each record links its sources and shows the date they were checked.