MariaDB 12.3.3

Breaking: MariaDB 12.3.3 is here. On August 24 the Q3 2026 maintenance round shipped fixes and stability gains for all four supported LTS lines, and 12.3.3 is the current-production release of the top series. This is also the first batch to ship without the long-lived 10.6 branch.

• MariaDB 12.3.3, 11.8.9, 11.4.13, and 10.11.19 all updated in a coordinated cycle
• Bug fixes and stability improvements across the server core
• 10.6 reached end of life on July 6 and is no longer maintained

Why This Round Matters

The headline here is the handoff, not any single feature. MariaDB 10.6, once the every-distro default, has officially left the table. If your stack is still on 10.6 the supported targets are 10.11, 11.4, 11.8, and 12.3. This release is the quiet signal that the time to plan that migration is now, while the upgrade path is still well-trodden.

What Comes Next

Work continues on the 13.1 preview, which is introducing JSON arrow operators (the document->$.customer.name syntax) and richer JSON_TABLE support to avoid flattening nested JSON into scalar columns. None of that lands in 12.3.3, but it shows the direction of travel for those planning a leap to the next major.

The Bottom Line

For existing MariaDB users this is a standard patch-and-restart release. For anyone still riding 10.6, treat it as the push you have been needing. The ecosystem is consolidating around a smaller, healthier set of maintained lines.