Looker 21.10 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Looker 21.10 reached end of life on 14 Sept 2021. It no longer receives security fixes.
Support timeline
Official dates from the Looker release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 10 Jun 2021 | — |
| End of life | 14 Sept 2021 | 4.9 years ago |
| Latest release | — | final |
Where to go from 21.10
Recommended target: Looker 26.12 (supported until 30 Nov 2026).
The newest actively supported branch is Looker 26.12 (latest release ).
Frequently asked questions
Is Looker 21.10 still safe to use?
Looker 21.10 reached end of life on 14 Sept 2021, 1,790 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Looker 21.10?
Yes — the final release (21.10) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Looker 21.10 to?
Upgrade to Looker 26.12, the newest actively supported branch (supported until 30 Nov 2026).