Python 3.9
PYTHON-3.9Python · Release · Python 3
Unsupported since · 374 days ago
Python 3.9 reached end of support on (374 days ago).
- Released
- 6y 1mo ago
- End of software maintenance
- 4y 6mo ago
- End of security support
- 1y ago
- End of support
- 1y ago
Lifecycle Milestones
| Released | 6y 1mo ago | |
|---|---|---|
| End of software maintenance | 4y 6mo ago | |
| End of security vulnerability support | 1y ago | |
| Last date of support | 1y ago |
Additional Dates
| General Availability Date | 6y 1mo ago |
|---|
Is Python 3.9 still maintained?
No. Python no longer maintains Python 3.9; support ended on 2025-10-31. It receives no fixes of any kind, including security patches. Plan an upgrade to a maintained release. See Python's lifecycle bulletin.
When do security fixes for Python 3.9 stop?
Python stopped security fixes for Python 3.9 on 2025-10-31. A system on this release cannot be patched against vulnerabilities disclosed after that date without upgrading.
What should I upgrade Python 3.9 to?
Upgrade to a currently maintained Python release. Check Python's release notes for the recommended version.
Python 3.9 Release Lifecycle
Python 3.9 is a release line of Python 3. Python ships bug fixes until the end of active support and security fixes until the end of security support; after that, systems still running it must move to a supported release to stay patchable. The dates below are the published milestones for this release line. This release has reached end of life as of , meaning Python no longer provides bug fixes or security updates for it. Installations still running Python 3.9 should move to a supported release.