Python 3.15
active developmentEOL 2031-10-01Next change 2026-10-01
Python 3.15 is currently in active development; end of life is scheduled for 2031-10-01. First release: 2026-10-01. Lifecycle periods below are derived from official vendor sources with provenance.
Lifecycle & support periods
| Phase | From | Until | Provider | Source |
|---|---|---|---|---|
| active development | 2026-10-01 | 2031-10-01 | Python Software Foundation | Python release cycle (peps.python.org) |
| end of life | 2031-10-01 | — | Python Software Foundation | Python release cycle (peps.python.org) |
Provenance
Every lifecycle fact is traceable to its authoritative source.
- Python release cycle (peps.python.org)first party · highhttps://peps.python.org/api/release-cycle.json
Retrieved 2026-08-28 · Python 3.15 end-of-life
- Python release cycle (peps.python.org)first party · highhttps://peps.python.org/api/release-cycle.json
Retrieved 2026-08-28 · Python 3.15 (prerelease)
Recent releases
- 3.15.0a1prerelease2025-10-14
- 3.15.0a2prerelease2025-11-19
- 3.15.0a3prerelease2025-12-16
- 3.15.0a4prerelease2026-01-13
- 3.15.0a5prerelease2026-01-14
- 3.15.0a6prerelease2026-02-11
- 3.15.0a7prerelease2026-03-10
- 3.15.0a8prerelease2026-04-07
- 3.15.0b1prerelease2026-05-07
- 3.15.0b2prerelease2026-06-02
- 3.15.0b3prerelease2026-06-23
- 3.15.0b4prerelease2026-07-18