Azul Zulu 21 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Azul Zulu 21 is actively supported. It reaches end of life on 30 Sept 2031.
1,878 days of security support left
21.48.17 latest release
36% of this branch's supported lifetime has elapsed — 19 Sept 2023 → 30 Sept 2031.
Check your versionjava -version
Support timeline
Official dates from the Azul Zulu release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 19 Sept 2023 | — |
| End of life (scheduled) | 30 Sept 2031 | in 1,878 days |
| Extended support ends | 30 Sept 2033 | 2,609 days left |
| Latest release | 21.48.17 · 30 Jan 2026 | current |
How much runway a newer branch buys
Moving to Azul Zulu 26 extends security support by about -1,826 days.
| Branch | End of life | Days left | vs 21 |
|---|---|---|---|
| Azul Zulu 26 | 30 Sept 2026 | 52 | -1,826 days |
| Azul Zulu 25 | 30 Sept 2033 | 2,609 | +731 days |
| Azul Zulu 21 | 30 Sept 2031 | 1,878 | this branch |
| Azul Zulu 17 | 30 Sept 2029 | 1,148 | -730 days |
| Azul Zulu 11 | 31 Jan 2032 | 2,001 | +123 days |
| Azul Zulu 8 | 31 Dec 2030 | 1,605 | -273 days |
Frequently asked questions
When does Azul Zulu 21 reach end of life?
Azul Zulu 21 reaches end of life on 30 Sept 2031 — 1,878 days from now. After that date it receives no security fixes.
Is Azul Zulu 21 still supported?
Yes. Azul Zulu 21 is currently maintained. Latest release: 21.48.17, published 30 Jan 2026.
What happens when Azul Zulu 21 reaches end of life?
Security fixes stop. After 30 Sept 2031 this branch receives no further updates under standard support, though extended support runs to 30 Sept 2033.
How long do I have to upgrade from Azul Zulu 21?
1,878 days. Moving to Azul Zulu 26 instead buys roughly -1,826 more days of security support.