Neos 8.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Neos 8.4 is actively supported. It reaches end of life on 1 Sept 2027.
388 days of security support left
8.4.7 latest release
44% of this branch's supported lifetime has elapsed — 10 Oct 2025 → 1 Sept 2027.
Check your version./flow
Support timeline
Official dates from the Neos release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 10 Oct 2025 | — |
| End of life (scheduled) | 1 Sept 2027 | in 388 days |
| Active support ended | 1 Sept 2026 | security fixes only after this |
| Latest release | 8.4.7 · 3 Aug 2026 | current |
How much runway a newer branch buys
Moving to Neos 9.1 extends security support by about 213 days.
Frequently asked questions
When does Neos 8.4 reach end of life?
Neos 8.4 reaches end of life on 1 Sept 2027 — 388 days from now. After that date it receives no security fixes.
Is Neos 8.4 still supported?
Yes. Neos 8.4 is currently maintained. Latest release: 8.4.7, published 3 Aug 2026.
What happens when Neos 8.4 reaches end of life?
Security fixes stop. After 1 Sept 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from Neos 8.4?
388 days. Moving to Neos 9.1 instead buys roughly 213 more days of security support.