# MariaDB 12.1.2 Changelog

<a href="https://mariadb.com/downloads/community/community-server/" class="button primary">Download</a> <a href="../../old-releases/12.1/12.1.2" class="button secondary">Release Notes</a> <a href="12.1.2" class="button secondary">Changelog</a> <a href="../../old-releases/12.1/changes-and-improvements-in-mariadb-12.1" class="button secondary">Overview of 12.1</a>

**Release date:** 18 Nov 2025

For the highlights of this release, see the [release notes](https://mariadb.com/docs/release-notes/community-server/old-releases/12.1/12.1.2).

The revision number links will take you to the revision's page on GitHub. On [GitHub](https://github.com/MariaDB/server/tree/11.8) you can view more details of the revision and view diffs of the code modified in that revision.

* Includes all fixes from [MariaDB 11.8.5](https://mariadb.com/docs/release-notes/community-server/changelogs/11.8/11.8.5)
* <sup>*<mark style="color:$info;">Merge</mark>*</sup> [<sup>*<mark style="color:$info;">Revision #70117463f0</mark>*</sup>](https://github.com/MariaDB/server/commit/70117463f0) <sup>*<mark style="color:$info;">2025-11-13 16:46:01 +0100 - Merge branch '11.8' into 12.1</mark>*</sup>
* [Revision #1f7446efdc](https://github.com/MariaDB/server/commit/1f7446efdc) <sup>*2025-11-12 11:52:54 +0200*</sup>
  * MDEV-37422: SIGSEGV / Assert for vcol substitution in GROUP BY WITH ROLLUP
* [Revision #cd3df7142d](https://github.com/MariaDB/server/commit/cd3df7142d) <sup>*2025-11-13 16:38:56 +0100*</sup>
  * remove unused new modes constants
* [Revision #5f845854fb](https://github.com/MariaDB/server/commit/5f845854fb) <sup>*2025-11-10 16:40:11 +0700*</sup>
  * MDEV-36761 Remove @@new\_mode=FIX\_INDEX\_STATS\_FOR\_ALL\_NULLS in 12.1
* <sup>*<mark style="color:$info;">Merge</mark>*</sup> [<sup>*<mark style="color:$info;">Revision #ba00960fda</mark>*</sup>](https://github.com/MariaDB/server/commit/ba00960fda) <sup>*<mark style="color:$info;">2025-11-04 22:47:26 +0100 - Merge branch 'bb-11.8-release' into bb-12.1-release</mark>*</sup>
* <sup>*<mark style="color:$info;">Merge</mark>*</sup> [<sup>*<mark style="color:$info;">Revision #4af88ced48</mark>*</sup>](https://github.com/MariaDB/server/commit/4af88ced48) <sup>*<mark style="color:$info;">2025-10-28 15:26:26 +0100 - Merge branch '11.8' into bb-12.1-release</mark>*</sup>
* [Revision #5ab153c2c5](https://github.com/MariaDB/server/commit/5ab153c2c5) <sup>*2025-10-10 15:48:33 -0400*</sup>
  * MDEV-37389 Hint NO\_MERGE(@qb\_name) is accepted but has no effect
* [Revision #0316c6e4f2](https://github.com/MariaDB/server/commit/0316c6e4f2) <sup>*2025-10-16 10:38:51 +1100*</sup>
  * MDEV-37435 Make new vcols created in vcol index substitution inherit name resolution from the select\_lex
* <sup>*<mark style="color:$info;">Merge</mark>*</sup> [<sup>*<mark style="color:$info;">Revision #d29fb34b83</mark>*</sup>](https://github.com/MariaDB/server/commit/d29fb34b83) <sup>*<mark style="color:$info;">2025-10-09 17:46:33 +0300 - Merge 11.8 into 12.1</mark>*</sup>
* [Revision #8ea46c7197](https://github.com/MariaDB/server/commit/8ea46c7197) <sup>*2025-10-09 13:29:49 +1100*</sup>
  * MDEV-37204 \[fixup] Enable view protocol for the test spider/bugfix.index
* [Revision #8664461e80](https://github.com/MariaDB/server/commit/8664461e80) <sup>*2025-10-08 15:57:12 +0300*</sup>
  * MDEV-37784 Introduce @@new\_mode: support all values being hidden
* [Revision #32940e3442](https://github.com/MariaDB/server/commit/32940e3442) <sup>*2025-10-08 14:45:21 +0300*</sup>
  * MDEV-37723: TPROC-H Query4...: Remove @@new\_mode=FIX\_DISK\_TMPTABLE\_COSTS in 12.1
* <sup>*<mark style="color:$info;">Merge</mark>*</sup> [<sup>*<mark style="color:$info;">Revision #c976b527db</mark>*</sup>](https://github.com/MariaDB/server/commit/c976b527db) <sup>*<mark style="color:$info;">2025-10-08 07:58:10 +0200 - Merge branch '11.8' into bb-12.1-release</mark>*</sup>
* [Revision #38828f2078](https://github.com/MariaDB/server/commit/38828f2078) <sup>*2025-09-30 22:19:49 +0200*</sup>
  * MDEV-37501 plugins.server\_audit Fails in 12.1+
* [Revision #29003f8e60](https://github.com/MariaDB/server/commit/29003f8e60) <sup>*2025-09-30 20:28:59 +0200*</sup>
  * bump the VERSION more
* [Revision #667c5e0b00](https://github.com/MariaDB/server/commit/667c5e0b00) <sup>*2025-07-12 22:08:19 +0700*</sup>
  * MDEV-37035 Improve opt\_hint\_timeout.test to avoid sporadic failures caused by timing
* [Revision #5999a8de84](https://github.com/MariaDB/server/commit/5999a8de84) <sup>*2025-09-04 14:42:42 +0400*</sup>
  * MDEV-37408 Assertion \`!thd->is\_error()' failed in LEX::make\_item\_func\_or\_method\_call upon SELECT or WITH
* [Revision #2cb0e557f4](https://github.com/MariaDB/server/commit/2cb0e557f4) <sup>*2025-08-12 16:19:08 +0400*</sup>
  * MDEV-37430 sql\_mode=ORACLE: TYPE definitions in PACKAGE BODY
* [Revision #033471a367](https://github.com/MariaDB/server/commit/033471a367) <sup>*2025-08-07 17:31:24 -0400*</sup>
  * bump the VERSION

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