Amazon RDS for MariaDB 12.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Amazon RDS for MariaDB 12.3 is actively supported. It reaches end of life on 30 Jun 2029.
999 days of security support left
12.3.3 latest release
6% of this branch's supported lifetime has elapsed — 7 Aug 2026 → 30 Jun 2029.
Support timeline
Official dates from the Amazon RDS for MariaDB release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 7 Aug 2026 | 2mo ago |
| Security Support ends | 30 Jun 2029 | in 2y 9mo |
| Latest release | 12.3.3 · 4 Sept 2026 | current |
How much runway a newer branch buys
Amazon RDS for MariaDB 12.3 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 12.3 |
|---|---|---|---|
| Amazon RDS for MariaDB 12.3 | 30 Jun 2029 | 999 | this branch |
| Amazon RDS for MariaDB 11.8 | 30 Jun 2028 | 634 | -365 days |
| Amazon RDS for MariaDB 11.4 | 31 May 2029 | 969 | -30 days |
| Amazon RDS for MariaDB 10.11 | 29 Feb 2028 | 512 | -487 days |
| Amazon RDS for MariaDB 10.6 | 31 Dec 2026 | 87 | -912 days |
Frequently asked questions
When does Amazon RDS for MariaDB 12.3 reach end of life?
Amazon RDS for MariaDB 12.3 reaches end of life on 30 Jun 2029 — 999 days from now. After that date it receives no security fixes.
Is Amazon RDS for MariaDB 12.3 still supported?
Yes. Amazon RDS for MariaDB 12.3 is currently maintained. Latest release: 12.3.3, published 4 Sept 2026.
What happens when Amazon RDS for MariaDB 12.3 reaches end of life?
Security fixes stop. After 30 Jun 2029 this branch receives no further updates under standard support.
How long do I have to upgrade from Amazon RDS for MariaDB 12.3?
999 days. This is already the newest branch, so this is the longest runway currently available.