MariaDB 12.2.1 Changelog

The most recent release of MariaDB 12.2 is:

MariaDB 12.2.1 RC Download Now

_{Alternate download from mariadb.org}

Download Release Notes Changelog Overview of 12.2

Release date: 21 Nov 2025

For the highlights of this release, see the release notes.

The revision number links will take you to the revision's page on GitHub. On GitHub you can view more details of the revision and view diffs of the code modified in that revision.

• Changes from the MariaDB 12.2 Preview are also included in this changelog

• Includes all fixes from MariaDB 12.1.2

• Revision #144dead882 ^{2025-11-18 22:18:59 +0100}

  • (clang20) error: moving a temporary object prevents copy elision

• Revision #ddd3a612cf ^{2025-11-18 21:20:31 +0100}

  • ctype-ascii.h:110:27: runtime error: applying non-zero offset 4 to null pointer

• Revision #0af24548e5 ^{2025-11-18 21:04:57 +0100}

  • runtime error: inf is outside the range of representable values of type 'unsigned long long'

• Revision #8d6699db90 ^{2025-11-18 20:58:03 +0100}

  • runtime error: shift exponent 32 is too large for 32-bit type 'int'

• ^{Merge Revision #9161270a11 2025-11-18 15:06:52 +0100 - Merge branch '12.1' into 12.2}

• Revision #8abdcba534 ^{2025-11-13 21:29:38 +0530}

  • MDEV-37082: Sig 11 in json_normalize_sort

• Revision #a0bdb3b7d0 ^{2025-11-07 17:22:40 +0100}

  • fix version

• ^{Merge Revision #fd15fd2765 2025-11-06 07:29:30 +0100 - Merge branch 'bb-12.1-release' into bb-12.2-release}

• Revision #101346c3dc ^{2025-10-18 03:48:08 -0400}

  • MDEV-37905: UNCACHEABLE_RAND inconsistently set on unions

• ^{Merge Revision #06cce62200 2025-11-02 18:08:29 +0100 - Merge branch '12.1' into bb-12.2-release}

• Revision #049ee29e7e ^{2025-07-24 15:05:46 -0400}

  • MDEV-37260 Implicitly named query blocks, CREATE VIEW AS supports hints

• Revision #2396534356 ^{2025-08-28 15:22:30 -0400}

  • MDEV-37260 Implicitly named query blocks, CREATE VIEW AS supports hints

• Revision #49c3c2ab36 ^{2025-05-02 14:38:46 -0400}

  • MDEV-36125 [NO_]INDEX_MERGE Hint

• Revision #428c1d0511 ^{2025-05-01 14:55:46 -0400}

  • MDEV-36125 Cleanup ahead of [NO_]INDEX_MERGE

• Revision #8d08350dd3 ^{2025-08-21 14:10:13 +1100}

  • MDEV-36321 keys generated on derived tables produce wrong out_rows estimates

• Revision #28f5322a44 ^{2025-07-25 18:11:36 +0530}

  • MDEV-37054: Implement INFORMATION_SCHEMA.PARAMETERS.PARAMETER_DEFAULT column

• Revision #9057f741d7 ^{2025-08-06 11:04:47 +0530}

  • MDEV-36996: Implement INFORMATION_SCHEMA.TRIGGERED_UPDATE_COLUMNS table

• Revision #b10e209d16 ^{2025-05-21 14:55:55 +0400}

  • MDEV-20022 sql_mode="oracle" does not support TO_NUMBER() function

• Revision #5f616f48bc ^{2025-08-13 11:30:56 -0700}

  • MDEV-37446 Fix upgrade test RPM URLs and update version paths

• Revision #8e9213da94 ^{2025-05-23 22:08:31 +0700}

  • MDEV-36089 New-style hint: [NO_]ROWID_FILTER

• ^{Merge Revision #3b5901a1f3 2025-10-09 17:47:08 +0300 - Merge 12.1 into 12.2}

• ^{Merge Revision #ecf0516257 2025-10-09 09:31:19 +0200 - Merge branch '12.1' into 12.2}

• Revision #e7bb12f5f0 ^{2025-09-30 19:43:07 +0300}

  • Fixed check-mysqld_1.reject warning from mariadb-dump_slave test

• Revision #1125f59c71 ^{2025-09-30 17:32:11 +0300}

  • Removed Rows_log_event::m_master_reclength as it is not used

• Revision #a32d5c340f ^{2025-09-30 16:49:20 +0300}

  • Added bitmap_get_last_set functions.

• Revision #04aaff9c0c ^{2025-09-30 11:05:07 +0300}

  • Remove Table_map_log_event::get_table_def()

• Revision #5fe3a394aa ^{2025-09-14 19:27:00 +0300}

  • Update failing test where Annotate_rows event was in wrong position

• Revision #2d5db53584 ^{2025-09-14 19:08:25 +0300}

  • Simplify NEXTVAL(sequence) when used with DEFAULT

• Revision #93ba9df681 ^{2025-09-14 17:21:56 +0300}

  • Ignore mariadb-plugin-columnstore.install.generated

• Revision #cd483cfe08 ^{2025-07-27 19:30:44 +0300}

  • MDEV-37319 Oracle Compatibility - MONTHS_BETWEEN functions

• Revision #2fcc2b4f51 ^{2025-07-27 19:26:55 +0300}

  • MDEV-20023 Implement Oracle TRUNC() function

• Revision #038a05ab4d ^{2025-06-28 15:20:05 +0300}

  • Fixed compiler warnings about using unitialized variables

• Revision #b8a7728963 ^{2024-02-27 19:43:51 +0530}

  • MDEV-32854: Make JSON_DEPTH_LIMIT unlimited

• Revision #374f30c41f ^{2025-07-23 09:45:19 -0600}

  • MDEV-36810 Deduplicate LOG_EVENT_OFFSET

• Revision #002330e542 ^{2025-08-21 10:23:00 -0700}

  • MDEV-37120 Improve timeout log message clarity for empty binlog state

• Revision #e02f4d7e31 ^{2025-08-04 21:28:16 +0200}

  • 12.2 branch

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