Fluent Bit 5.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Fluent Bit 5.1 is actively supported. The vendor has not published an end-of-support date for this branch.
5.1.3 latest release
Check your versionfluent-bit -v
Support timeline
Official dates from the Fluent Bit release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 6 Aug 2026 | 2mo ago |
| Latest release | 5.1.3 · 1 Oct 2026 | current |
Frequently asked questions
When does Fluent Bit 5.1 reach end of life?
No end of life date has been announced for Fluent Bit 5.1 yet.
Is Fluent Bit 5.1 still supported?
Yes. Fluent Bit 5.1 is currently maintained. Latest release: 5.1.3, published 1 Oct 2026.
What happens when Fluent Bit 5.1 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from Fluent Bit 5.1?
No end of life date has been announced yet.