Plone 6.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Plone 6.1 is actively supported. It reaches end of life on 31 Dec 2027.
509 days of security support left
6.1.5 latest release
52% of this branch's supported lifetime has elapsed — 7 Feb 2025 → 31 Dec 2027.
Support timeline
Official dates from the Plone release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 7 Feb 2025 | — |
| End of life (scheduled) | 31 Dec 2027 | in 509 days |
| Active support ended | 25 Jun 2026 | security fixes only after this |
| Latest release | 6.1.5 · 25 Jun 2026 | current |
How much runway a newer branch buys
Plone 6.1 is the newest branch — this is the longest runway currently available.
Frequently asked questions
When does Plone 6.1 reach end of life?
Plone 6.1 reaches end of life on 31 Dec 2027 — 509 days from now. After that date it receives no security fixes.
Is Plone 6.1 still supported?
Yes. Plone 6.1 is currently maintained. Latest release: 6.1.5, published 25 Jun 2026.
What happens when Plone 6.1 reaches end of life?
Security fixes stop. After 31 Dec 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from Plone 6.1?
509 days. This is already the newest branch, so this is the longest runway currently available.