MariaDB 12.3.1 Changelog

MariaDB 12.3.1 is a Release Candidate (RC) release of MariaDB Community Server 12.3, released on 2026-02-12

The most recent release of MariaDB Community Server 12.3 is: 12.3.2 Stable (GA)

Download Community Server 12.3.2

_{Alternate download from mariadb.org}

Download Release Notes Changelog Overview of 12.3

Release date: 12 Feb 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.

• Changes from the MariaDB 12.3 Preview are also included in this changelog

• Includes all fixes from MariaDB 12.2.2

• Revision #21a0714a11 ^{2026-02-09 23:56:35 +0100}

  • MDEV-38359 disable slow log tests in --cursor until MDEV-38612

• Revision #311ec6bbc0 ^{2025-10-30 20:24:17 +0200}

  • MDEV-19683 Add support for Oracle TO_DATE()

• Revision #8a7ae1c8dc ^{2026-01-31 00:34:53 +0200}

  • Disable flag -Wno-format-truncate in BUILD scripts

• Revision #782b103925 ^{2026-01-13 19:47:07 +0200}

  • Add detection of partial matches for strnncoll

• Revision #bd74c8cf7c ^{2025-11-05 16:50:48 +0400}

  • MDEV-37261 Basic XML data type.

• Revision #f5460983d3 ^{2026-02-06 11:22:33 -0700}

  • MDEV-38726 Assertion table->default_field != dfield_ptr failed in bool parse_vcol_defs(THD *, MEM_ROOT *, TABLE *, bool *, vcol_init_mode)

• Revision #32980c6b94 ^{2026-01-22 16:33:24 +0400}

  • MDEV-38359 Assertion !thd->free_list failed in bool MYSQL_QUERY_LOG::write(THD *, time_t, const char *, size_t, ulonglong, ulonglong, bool, const char *, size_t)

• Revision #6e9f727758 ^{2026-01-22 16:13:33 +0400}

  • MDEV-38597 Server crashes with a subselect in parameter

• Revision #6c69a43391 ^{2026-01-19 13:02:34 +0400}

  • MDEV-38370 SIGSEGV in sp_instr_set_ps_placeholder::get_expr_query | sp_lex_instr::get_query, UBSAN member access within null pointer of type const sp_assignment_lex

• Revision #edb2e5467a ^{2025-09-03 13:56:17 +0400}

  • MDEV-33830 Support for cursors on prepared statements

• Revision #607d72577a ^{2025-12-04 13:31:47 +0400}

  • MDEV-38249 Refactoring: Change Item_save_in_value() not to return SQL NULL

• Revision #e352b11a3c ^{2026-02-05 12:26:01 +0100}

  • MDEV-36787 Error 153: No savepoint with that name upon ROLLBACK TO SAVEPOINT, assertion failure

• ^{Merge Revision #4456eb1a5e 2026-02-07 22:10:39 +0100 - Merge branch '12.2' into 12.3}

• Revision #a865a7c23b ^{2026-02-05 16:20:31 +0100}

  • MDEV-38744 remove galera dependency from server packages

• Revision #524399f828 ^{2026-02-05 16:21:06 +0100}

  • bump the VERSION

• Revision #cf7a5a16f7 ^{2026-02-06 14:14:39 +0100}

  • update rpm/deb cnf files to 12.3

• Revision #f83d196a04 ^{2026-02-07 16:27:28 +0100}

  • compiler warning: unused variable

• Revision #4c04c656e6 ^{2026-02-07 18:15:43 +0100}

  • MDEV-38613 set_var_collation_client::update() Segfault in Buildbot amd64-msan-clang-20

• Revision #0cc1eb46ea ^{2026-01-28 21:33:25 -0700}

  • MDEV-37530 fixes

• Revision #4c18d337e5 ^{2025-12-01 19:11:49 -0700}

  • MDEV-28302 configurable defaults for CHANGE MASTER

• Revision #89bd6b0033 ^{2025-11-30 18:36:45 -0700}

  • MDEV-37530 Refactor Master & Relay Log info to iterable tuples

• Revision #8857312503 ^{2025-10-09 16:00:54 +0200}

  • fix printing of per-partition engine options

• Revision #e054d8b874 ^{2025-10-07 21:57:05 +0200}

  • MDEV-37815 connect_string in partitioning is broken

• Revision #79ad188d46 ^{2025-10-05 23:49:57 +0200}

  • MDEV-37815 table engine attributes in partitioning is broken

• Revision #74baec1b8a ^{2025-10-05 14:11:29 +0200}

  • cleanup: partition_element_iterator

• Revision #e35039e77a ^{2025-10-02 14:26:12 +0200}

  • cleanup: remove HTON_CAN_READ_CONNECT_STRING_IN_PARTITION

• Revision #e979c098ed ^{2025-10-06 18:33:50 +0200}

  • MDEV-37815 field and index engine attributes in partitioning are broken

• Revision #cfe822c667 ^{2025-10-01 17:58:15 +0200}

  • parsing of table/index/field attributes: auto-alias all boolean values

• Revision #de68699e56 ^{2026-01-11 22:58:35 +0100}

  • MDEV-38523 Freeing unallocated data THD::set_db when path-resolved routine in trigger

• Revision #be67aff19b ^{2026-01-15 21:38:31 +0100}

  • Don't implicitly search in CURRENT_SCHEMA

• Revision #13c5cab5cf ^{2026-01-09 20:55:58 +0100}

  • change Sql_path::from_text() to take a String, not LEX_CSTRING

• Revision #875c128751 ^{2025-12-02 10:47:23 +0100}

  • more tests for duplicate values in path

• Revision #df23b05a9a ^{2025-12-01 21:33:48 +0100}

  • reserve PATH_SYM in the same way as NAMES_SYM

• Revision #8b1ccf6e82 ^{2025-12-01 10:11:39 +0100}

  • fix name resolution of name1.name2()

• Revision #fcffb8e51d ^{2025-11-30 08:21:33 +0100}

  • disallow SET PATH DEFAULT in stored routines and triggers

• Revision #6979824a1c ^{2025-11-30 08:02:56 +0100}

  • clarify the test for triggers with different paths

• Revision #22591551fb ^{2025-11-29 19:08:45 +0100}

  • fix --path to work

• Revision #3b14490e58 ^{2025-11-28 21:51:02 +0100}

  • bug: current_schema is not current_schema

• Revision #69f401bdb6 ^{2025-11-27 00:29:35 +0100}

  • allocate Sql_path in one memory chunk, not one per schema

• Revision #7325f948e8 ^{2025-12-23 19:43:34 +0100}

  • old view doesn't store the path, need the same fallback as for triggers

• Revision #5b0818ee63 ^{2026-02-03 21:38:14 +0100}

  • cleanup

• Revision #1fa182723d ^{2025-09-24 19:53:58 +0200}

  • do NOT prefer itself in seemingly recursive calls, follow the path

• Revision #7772bf07d8 ^{2025-11-21 23:34:13 +0100}

  • remove LEX::make_sp_name_sql_path()

• Revision #85b713b2a3 ^{2025-11-21 22:46:04 +0100}

  • free Sql_path in the destructor, perform cleanup in cleanup()

• Revision #afc8a33496 ^{2025-11-21 14:29:01 +0100}

  • mysql.proc.path DEFAULT CURRENT_SCHEMA NOT NULL

• Revision #823e625233 ^{2025-11-21 13:52:08 +0100}

  • disallow SET PATH in sf or trg while parsing

• Revision #35a1defeda ^{2025-11-21 13:03:33 +0100}

  • consistency in error message naming

• Revision #a1c1dba498 ^{2025-11-21 12:34:56 +0100}

  • use standard SET PATH syntax in tests

• Revision #96b8f636a9 ^{2025-11-15 11:44:50 +0100}

  • relax assert to account for recursive RETURNS TEXT functions

• Revision #6e086ce2a3 ^{2025-11-14 13:04:55 +0100}

  • remove Sql_path_stack and Sql_path_push

• Revision #11210a2c05 ^{2025-09-25 21:40:08 +0200}

  • PATH is not a chistic, it's like sql_mode, remembered implicitly per routine

• Revision #d1fd168d9c ^{2026-02-03 19:01:29 +0100}

  • remove unused arguments

• Revision #8260be6408 ^{2025-11-14 23:30:39 +0100}

  • don't backtick-quote CURRENT_SCHEMA

• Revision #f1ce18d3eb ^{2025-09-21 22:40:14 +0200}

  • fix error message for assoc arrays

• Revision #0cac216e4f ^{2025-09-21 22:06:24 +0200}

  • merge ErrConvMDQName into ErrConvDQName

• Revision #9fbd5ce3c5 ^{2025-09-21 12:49:33 +0200}

  • improve test readability

• Revision #ca78df2492 ^{2025-09-20 14:24:30 +0200}

  • add new column mysql.proc.path at the end of the table

• Revision #19fd3c79b0 ^{2024-09-25 08:22:05 +0800}

  • MDEV-34391 SET PATH statement

• Revision #75b2aadb9e ^{2025-10-15 19:22:18 +0200}

  • cleanup: remove #ifdef MYSQL_VERSION_ID

• Revision #4bfbdbc682 ^{2026-01-09 22:58:52 +0100}

  • ubsan error, memcpy(dst, NULL, 0)

• Revision #b307f50dd3 ^{2026-02-06 14:43:48 +0100}

  • sporadic failure in galera.MDEV-35511

• Revision #b01a279f04 ^{2026-02-05 18:04:12 +0100}

  • MDEV-32570 fix binglog offset in the test

• Revision #564d9e0d6e ^{2026-02-05 18:13:51 +0100}

  • make the test clearer

• Revision #4a5b813344 ^{2026-02-05 21:25:26 +0100}

  • MDEV-38019 fix galera.galera_bf_abort_get_lock

• Revision #651820403f ^{2026-02-05 19:35:40 +0530}

  • Fix grammar in README

• Revision #bd1e74aa0b ^{2026-02-05 11:55:12 +1100}

  • MDEV-9826 More hash algorithms for PARTITION BY [LINEAR] KEY

• Revision #fa36b269f1 ^{2026-02-02 11:55:19 -0700}

  • MDEV-38716: Server crashes in TABLE::evaluate_update_default_function

• Revision #356b225f59 ^{2026-02-04 17:42:52 +0200}

  • Tried to fix randomly failing test tmp_space_usage

• Revision #55d4028c8e ^{2026-02-04 16:23:33 +0200}

  • Fixed failure in buildbot for events_stress

• Revision #5d26d515fc ^{2026-02-04 14:41:59 +0200}

  • MDEV-38683 SIGSEGV (dbg), SIGABRT or ER_EMPTY_QUERY when using ROWS EXAMINED with log_output=TABLE

• Revision #92a49263e1 ^{2026-02-03 15:59:47 -0700}

  • MDEV-36290: Mask non-deterministic test output

• Revision #6ef289416e ^{2026-02-02 15:09:57 -0700}

  • MDEV-36290: Update binlog_row_event_fragment_threshold type to uint

• Revision #3c5f7d0141 ^{2026-02-02 14:57:31 -0700}

  • MDEV-38435: Re-record engines/funcs tests

• Revision #325dd5e6a3 ^{2026-02-03 11:09:56 +1100}

  • MDEV-38694 Spider: do not override disabling pre-calls when select_lex has aggregate functions

• Revision #c52c158d32 ^{2026-01-13 15:59:44 +1100}

  • MDEV-38522 Reset m_pi_scan_method in ha_partition::reset

• Revision #496aecf925 ^{2025-11-21 14:49:39 +1100}

  • MDEV-37330 Allow unordered index scan for tables partitioned by range when a priority queue is not needed

• Revision #a9f384b7c5 ^{2025-11-21 11:28:46 +1100}

  • MDEV-37330 Indicate in ANALYZE FORMAT=JSON index scan method used for partitioned tables

• Revision #549628d9cc ^{2025-12-09 02:40:52 +1200}

  • MDEV-38272 Sig11 in LEX::resolve_references_to_cte at sql/sql_cte.cc

• Revision #d3ec1eb08c ^{2025-12-06 07:03:22 +1200}

  • MDEV-38258 No error thrown when CTE columns updated in updates set clause

• Revision #d1505c6541 ^{2025-10-01 22:05:50 +0300}

  • MDEV-37072: Implement IS JSON predicate

• Revision #55481e0f6a ^{2026-01-29 22:06:35 +0530}

  • MDEV-16335 Include deadlock information in SHOW WARNINGS

• Revision #fb41baad6c ^{2026-01-29 12:51:07 +0100}

  • Binlog-in-engine: Disable test binlog_in_engine.rpl_gtid_index for Valgrind

• Revision #02766c3cd5 ^{2026-01-29 12:50:53 +0100}

  • Binlog-in-engine: Fix sporadic test failure of binlog_in_engine.purge_locking

• Revision #3341bc1f8b ^{2026-01-29 12:50:34 +0100}

  • Binlog-in-engine: Fix uninitialized function parameters

• Revision #5bcc115d77 ^{2025-09-04 11:25:22 +0300}

  • MDEV-36055 Allow left join reordering

• Revision #d17f4f8632 ^{2026-01-13 10:50:55 -0700}

  • MDEV-38435: Update test results

• Revision #56c8bdfd77 ^{2025-12-27 14:13:49 +0200}

  • MDEV-38435 Add Gtid_binlog_pos to SHOW MASTER STATUS

• Revision #cbbb3e51d2 ^{2026-01-23 12:55:58 -0700}

  • MDEV-38641: Failure of Replication of System Versioning Tables

• Revision #de15b1160d ^{2025-12-17 13:45:25 -0700}

  • MDEV-38117: Replication stops with ERROR when Primary Key is not defined in Multi Master

• Revision #337dd07a98 ^{2026-01-27 10:35:34 -0700}

  • MDEV-36290: Fix optional_metadata_len type mismatch

• Revision #805978df6b ^{2025-11-12 01:55:58 +0200}

  • MDEV-37674: Replace std::string with LEX_CSTRING in Optional_metadata_fields

• Revision #be237b3b0e ^{2025-05-10 14:07:28 +0300}

  • MDEV-36290: Improved support of replication between tables of different structure

• Revision #fb5ee4cc27 ^{2025-12-15 18:48:38 +0100}

  • MDEV-32570 update tests

• Revision #2e7fea8535 ^{2026-01-27 12:53:24 -0700}

  • MDEV-32570: Update perf_schema PFS_MAX_STAGE_CLASS

• Revision #bb814dc0dc ^{2025-05-15 13:31:25 -0600}

  • MDEV-32570 (test): Add tests

• Revision #5fda8988a6 ^{2025-05-15 13:29:25 -0600}

  • MDEV-32570 (client): Fragment ROW replication events larger than slave_max_allowed_packet

• Revision #1eff7ddd81 ^{2025-05-15 13:24:06 -0600}

  • MDEV-32570 (server): Fragment ROW replication events larger than slave_max_allowed_packet

• Revision #8de56b4f25 ^{2025-05-15 10:48:35 -0600}

  • MDEV-32570 Prep: Split Rows_log_event::write_data_body()

• Revision #3693449920 ^{2025-05-15 10:19:14 -0600}

  • MDEV-32570 Prep: Split read_log_event into non-checksum version

• Revision #c580d17f29 ^{2025-05-15 10:07:18 -0600}

  • MDEV-32570 Prep: Refactor functions to handle >32-bit lengths

• Revision #346c7afe9b ^{2025-08-25 21:27:55 -0700}

  • Promote getting GitHub stars in server log and client prompt

• Revision #7ea9e14ed2 ^{2026-01-25 22:13:14 +0100}

  • Fix bad merge that broke Galera

• Revision #634341ef8e ^{2026-01-24 17:20:56 +0200}

  • MDEV-37785 Assertion !mysql_bin_log.is_open() failed in ... ALTER TABLE

• Revision #e680c21ce5 ^{2026-01-24 17:13:52 +0200}

  • Fixed compilation failures in InnoDB with gcc 7.5.0

• Revision #8cb64d1c90 ^{2026-01-22 20:04:14 +0530}

  • MDEV-38631 Remove unused FTS debug directives and dead code

• Revision #22c8a7b865 ^{2026-01-18 20:23:42 +0100}

  • Make the warning message during mariadb-backup SST more useful

• Revision #68042221e6 ^{2026-01-05 14:27:06 +0100}

  • MDEV-38465: Savepoint in trigger causes transactional inconsistency

• Revision #7081f2a58e ^{2024-02-25 17:41:50 +0100}

  • Binlog-in-engine: New binlog implementation integrated in InnoDB

• Revision #d228f237f2 ^{2025-11-09 12:22:31 +0100}

  • Fix that InnoDB rolls back entire trx in failed CREATE TEMPORARY

• Revision #71bf8695bb ^{2025-12-26 23:41:50 +0100}

  • MDEV-38429: Atomic DDL can binlog DDL during ddl log crash recovery without "ddl" mark on the GTID

• Revision #b9d60bf486 ^{2025-12-26 23:33:52 +0100}

  • MDEV-38429: Atomic DDL can binlog DDL during ddl log crash recovery without "ddl" mark on the GTID

• Revision #4528b8a585 ^{2026-01-22 17:32:48 +0530}

  • MDEV-38629 Deprecate innodb_ft_enable_diag_print variable

• Revision #ce6be40b79 ^{2026-01-19 16:13:34 +0100}

  • MDEV-37997 vcpkg's FIND_PACKAGE throws error for zlib dependent packages

• Revision #1e07daa401 ^{2026-01-19 10:32:29 +0200}

  • MDEV-38546: Automatically label incoming pull requests

• Revision #f100bf3ec8 ^{2026-01-19 12:44:06 +0100}

  • MDEV-36737 postfix - fix compilation and packaging on Windows

• Revision #ab82a78234 ^{2026-01-16 10:52:14 +0200}

  • MDEV-38546 stage2: Automatically label new unlabeled pull requests with foundation/corporation/external contribution

• Revision #d553df5c15 ^{2026-01-13 11:42:38 +0200}

  • MDEV-38499: cmake and compile warnings on MacOSX when compiling mariadb from a git tree

• Revision #6641ba618e ^{2026-01-15 14:32:01 +0200}

  • MDEV-38546: Automatically label new unlabeled pull requests with foundation/corporation/external contribution

• Revision #6fcd279f5d ^{2026-01-15 13:49:45 +0200}

  • [PATCH] MDEV-38546: Automatically label new unlabeled pull requests with foundation/corporation/external contribution

• Revision #0513a4a974 ^{2025-11-04 22:29:47 +0200}

  • MDEV-38019 Send ok packet to client earlier

• ^{Merge Revision #366de0ae3b 2026-01-08 21:40:52 +0100 - Merge branch '12.2' into 12.3}

• Revision #6efa1cf2c5 ^{2025-12-17 15:32:53 +0200}

  • MDEV-38363 Remove pull_request_template.md

• Revision #e19be4919f ^{2025-12-26 18:07:52 +0530}

  • MDEV-38312: Server crashes when setting innodb_default_encryption_key_id after enabling hashicorp and test_sql_service plugins

• Revision #5ed3668890 ^{2025-12-13 21:38:43 -0800}

  • Deb: Format files with debputy reformat --style black

• Revision #068a095750 ^{2025-09-02 12:32:29 -0700}

  • MDEV-36737: Research and Estimation for Adapting VIDEX to MariaDB

• Revision #4a01157492 ^{2025-12-18 17:13:27 +0200}

  • Fixed mtr test that fails with valgrind build and max_session_mem_used

• Revision #84fa008d25 ^{2025-12-19 18:19:41 +0200}

  • MDEV-38254 replicated temporary tables must not be accessed by start_new_trans

• Revision #7f3145e068 ^{2025-11-27 19:45:16 +0200}

  • MDEV-38212 MDEV-37686 Breaks Parallel Replication

• Revision #8782227eb1 ^{2025-12-04 19:26:40 +0200}

  • Revert "MDEV-37686 rpl.create_or_replace_mix2 fails in MDEV-35915 branch"

• Revision #3a08a8e3d2 ^{2025-12-16 19:46:33 -0800}

  • Display the exact amount of data updated by mariadb-secure-installation

• Revision #69ee922c1c ^{2025-06-04 14:46:31 +0300}

  • Improve output from mariadb-secure-installation to be more honest

• Revision #d936d36d4f ^{2025-10-24 11:28:03 +0530}

  • MDEV-30847: HashiCorp Plugin: Provide cache flush for key rotation

• Revision #5879c85f50 ^{2024-03-10 16:56:13 +0000}

  • Fix misc spelling in MariaDB Server repository

• Revision #e85bc65918 ^{2025-10-28 14:43:33 +1200}

  • MDEV-37220 Allow UPDATE/DELETE to read from a CTE

• Revision #797f50d107 ^{2025-09-26 13:52:35 +0300}

  • Removed not used members in class POSITION

• Revision #1e8dddbdbb ^{2025-10-06 15:11:00 +0300}

  • Fixed failing mysqldump test when there is no internet connection

• Revision #f4318f3f3b ^{2025-11-18 17:39:34 +0530}

  • MDEV-38120: Move Json_string and Json_saved_parser_state into sql_json_lib.h

• Revision #809e6f4195 ^{2025-11-22 22:08:38 +0100}

  • 12.3 branch

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