MariaDB 12.3.3 Changelog

MariaDB 12.3.3 is a Stable (GA) release of MariaDB Community Server 12.3, released on 2026-08-24

Download Release Notes Changelog Overview of 12.3

^{Alternate download from mariadb.org}

Release date: 24 Aug 2026

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.

• Includes all fixes from MariaDB 11.8.9

• Revision #83e909fc2a ^{2026-08-19 21:18:35 -0600}

  • MDEV-40768: Slave cannot apply a fragmented row event written with log_bin_compress=ON

• ^{Merge Revision #f860f2a937 2026-08-20 08:27:14 +0200 - Merge branch '11.8' into 12.3}

• Revision #add6399198 ^{2026-08-17 16:27:38 +0400}

  • MDEV-40790 SELECT INTO row_type_of.field crashes the server

• Revision #3ad0455a26 ^{2026-08-07 12:59:55 +0300}

  • MDEV-40661: mysql_upgrade.test not stable on a busy server

• Revision #91156c3de5 ^{2026-08-14 11:04:12 +0400}

  • MDEV-40639 Open SYS_REFCURSOR crash, if many cursors inside a function

• Revision #f51edd8933 ^{2026-06-12 19:32:09 +0000}

  • MDEV-39153 Fix sporadic main.change_master_default mismatch

• Revision #18fce8e1e7 ^{2026-08-12 16:02:15 +0300}

  • MDEV-40738: main.cte_update_delete missing DROP VIEW v1, refers to wrong MDEVs.

• Revision #d646e24f7f ^{2026-06-16 13:04:53 +0400}

  • MDEV-40009 SIGSEGV in Sql_path::from_text

• Revision #27dad5cc0c ^{2026-08-05 16:04:48 +0530}

  • MDEV-40122: +DEFAULT is not a valid value for master_heartbeat_period

• Revision #6b174bfb25 ^{2026-05-13 22:55:45 +0000}

  • MDEV-39459 Fix bad sync pattern for chain replication MTR tests

• Revision #5e9bb38264 ^{2026-07-23 10:11:20 +1000}

  • MDEV-40173 RPM conflicts on /usr/lib64/security

• Revision #9c9282a5fe ^{2026-06-01 14:22:03 +1000}

  • MDEV-39803 RPM dependencies missing from MariaDB-server-galera package

• Revision #51263b851d ^{2026-07-13 14:16:19 +1000}

  • MDEV-39813 ST_GeomFromGeoJSON does not control recursion depth

• ^{Merge Revision #33240f3c96 2026-07-29 19:14:07 +0200 - Merge branch '11.8' into '12.3'}

• Revision #2883bccc7d ^{2026-07-06 20:28:24 +0300}

  • MDEV-39683 Numeric aggregates should end up with an error for xmltype.

• Revision #48f28e51b0 ^{2026-07-06 12:52:43 +0300}

  • MDEV-39654 No warning after CAST( AS xmltype).

• Revision #8436fe3f48 ^{2026-07-14 22:52:36 -0600}

  • MDEV-39788: Remove added line in master.info format

• Revision #9b075b2cb5 ^{2026-07-17 19:49:19 +0400}

  • MDEV-40396 open SYS_REFCURSOR crash, if too many cursors

• Revision #89c4d2f00c ^{2026-06-15 15:03:50 -0400}

  • MDEV-38669: ASAN fail in Item_func_collect::add during ST_COLLECT

• Revision #f9d797f1cc ^{2026-06-11 18:25:24 +0000}

  • MDEV-39995 JSON_CONTAINS and JSON_EQUALS do not compare strings based on semantic

• Revision #e8efde578a ^{2026-07-13 13:31:27 +1000}

  • MDEV-39743: IS JSON was not interuptable

• Revision #27df5668c2 ^{2026-07-09 14:34:45 +1000}

  • MDEV-39763 main.innodb_mrr_cpk fails under view protocol

• Revision #8da34620ac ^{2026-07-06 17:59:59 +1000}

  • MDEV-40275: plugins.auth_ed25519 test falky - dropped users with connection warning

• Revision #2ff230f5fa ^{2026-06-08 13:03:25 -0400}

  • MDEV-39911: Crash in ST_SIMPLIFY of a collection geometry

• Revision #deed18f42d ^{2026-06-30 14:43:06 -0400}

  • MDEV-40143: st_isvalid() does not clear NULL state between rows

• Revision #d703f0ef51 ^{2026-06-08 14:19:39 -0400}

  • MDEV-39914: Crash in ST_SIMPLIFY used in an IN list

• Revision #80ff192cb3 ^{2026-07-03 15:05:41 +0300}

  • MDEV-39005: Assertion failure on hint-forced Split-Materialized plan

• Revision #354a54527d ^{2026-07-01 14:21:11 -0600}

  • MDEV-39302: main.xa wrong errno ER_XAER_NOTA instead of ER_XA_RBROLLBACK

• Revision #cf4215c462 ^{2026-07-01 15:20:30 -0600}

  • MDEV-39302: main.xa wrong errno ER_XAER_NOTA instead of ER_XA_RBROLLBACK

• ^{Merge Revision #3adf432a9f 2026-06-29 07:40:04 +0300 - Merge 11.8 into 12.3}

• ^{Merge Revision #3170875cb6 2026-06-24 12:27:13 +0200 - Merge branch '11.8' into '12.3'}

• Revision #61d784c68c ^{2026-06-23 10:16:43 +0200}

  • MDEV-39777: Fixed flaky plugins.unix_socket test

• Revision #8125abd2c2 ^{2026-05-28 13:02:59 +1000}

  • MDEV-39777: Fixed flaky plugins.unix_socket test

• Revision #c46441bc5f ^{2026-06-16 12:44:36 +0200}

  • Post-merge fixes

• Revision #72e3e8e157 ^{2026-06-10 14:13:47 +1000}

  • MDEV-39805 MDEV-39790 signal EOF in "unordered" partition index scans

• ^{Merge Revision #cecd412665 2026-06-15 18:11:42 +0200 - Merge branch '11.8' into 12.3}

• ^{Merge Revision #fcc5fc8916 2026-06-15 16:53:03 +0200 - Merge 11.8 to 12.3}

• Revision #b88fe40601 ^{2026-06-09 10:29:54 -0400}

  • MDEV-39952: Skip binlog_in_engine tests that need mariabackup

• Revision #115e5e83b7 ^{2026-06-09 13:54:29 -0400}

  • MDEV-36891: std::make_pair compiler note

• Revision #8fd382adf6 ^{2026-05-28 15:33:06 -0400}

  • bump the VERSION

• ^{Merge Revision #8ffeb81e2b 2026-05-28 10:21:35 +0200 - Merge branch '12.3 release' into 12.3}

• Revision #840a043531 ^{2026-05-28 14:40:45 +1000}

  • MDEV-39449: Memory corruption (GIS) - test fix

• Revision #66b3c67846 ^{2026-05-21 17:58:14 +1000}

  • MDEV-39675 mariadb_upgrade utility failed when path=nonexist

• Revision #4c33c5e48e ^{2026-05-18 14:41:22 -0600}

  • MDEV-39660 Replica Crashes on Malformed Partial_rows_log_event

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