Cloud SQL Auth Proxy 1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Cloud SQL Auth Proxy 1 is actively supported. The vendor has not published an end-of-support date for this branch.
1.38.3 latest release
Check your versioncloud-sql-proxy --version
Support timeline
Official dates from the Cloud SQL Auth Proxy release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 1 Jan 2020 | 6y 9mo ago |
| Active Support ended | 22 Aug 2023 | security fixes only after this |
| Latest release | 1.38.3 · 13 Aug 2026 | current |
Frequently asked questions
When does Cloud SQL Auth Proxy 1 reach end of life?
No end of life date has been announced for Cloud SQL Auth Proxy 1 yet.
Is Cloud SQL Auth Proxy 1 still supported?
Yes. Cloud SQL Auth Proxy 1 is currently maintained. Latest release: 1.38.3, published 13 Aug 2026.
What happens when Cloud SQL Auth Proxy 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 Cloud SQL Auth Proxy 1?
No end of life date has been announced yet.