Download Release Notes Changelog Overview of 12.0

^{Alternate download from mariadb.org}

Release date: 7 Aug 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.

• Includes all fixes from MariaDB 11.8.3

• ^{Merge 2025-07-31 20:55:47 +0200 - Merge branch '11.8' into 12.0}

• ^{2025-07-31 20:42:40 +0200}

  • fix sporadic failures of rpl.rpl_drop_temp test

• ^{2025-07-30 19:46:53 +0200}

  • update engines/funcs.rpl_stm_reset_slave

• ^{2025-07-29 19:44:17 +0200}

  • bump the VERSION

• ^{2025-07-14 08:50:53 +0300}

  • MDEV-36980 Assertion 'thd->mdl_context.is_lock_owner()...fails in close_thread_table

• ^{2025-07-09 08:03:21 +1100}

  • MDEV-37044 derived_wth_keys optimization not applied where it should

• ^{2025-06-27 16:27:28 +0200}

  • MDEV-37031 Fix broken server_audit.test on Windows

• ^{Merge 2025-06-18 07:50:39 +0200 - Merge branch '11.8' into 12.0}

Download Release Notes Changelog Overview of 12.0

^{Alternate download from mariadb.org}

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 11.8.2

• ^{Merge 2025-05-22 09:22:55 +0200 - Merge branch '11.8' into 12.0}

• 2025-05-09 20:28:19 +0700

  • Fix unstable opt_hints_join_order.test

• 2024-09-26 04:27:56 +0200

  • addendum: minor test corrections after fix

• 2024-08-16 12:45:38 +0300

  • : Skip FK checks in Galera during applying in IST

• 2025-04-30 14:04:43 +0400

  • A case expression with ROW arguments in THEN crashes

• 2025-05-05 12:36:06 +0700

  • Fix post-rebase conflicts

• 2025-04-30 13:28:44 +0700

  • Forbid placing optimizer hints at the INSERT part of INSERT..SELECT

• 2025-04-08 16:59:28 +0700

  • Optimizer hints are resolved against the INSERT part of INSERT..SELECT

• 2025-04-07 21:06:06 +0300

  • : Two subqueries with LOOSESCAN hints create invalid query plan

• 2025-02-21 13:48:28 +0700

  • BNL() hint doesn't work with join_cache_level>=5

• 2025-04-22 21:47:12 +0700

  • Some optimizer hint warnings are returned as errors

• 2025-04-26 14:06:24 +0700

  • Fix after-rebase commits

• 2025-04-26 13:50:30 +0700

  • Fix mysql-test-run to correctly handle hints

• 2025-04-23 19:26:58 +0700

  • Optimizer hints parser catches irrelevant `thd->is_error()` set by multi-RENAME TABLE

• 2025-01-30 20:56:36 +0700

  • : implement join order hints

• 2024-12-08 22:03:01 +0200

  • Optimizer hints code cleanup: - remove get_args_printer() from hints printing - add append_hint_arguments(THD *thd, opt_hints_enum hint, String *str) - add more comments - rename st_opt_hint_info::hint_name to hint_type - add pptimizer trace support for hints - add dbug_print_hints() - make print_warn() not be a template - introduce Printable_parser_rule interface, make grammar rules that emit warnings implement it and print_warn invokes its function) - remove Parser::Hint::append_args() as it is not used anywhere (it used to be necessary call print_warn(... (Parser::Hint*)NULL);

• 2024-12-07 21:15:32 +0700

  • Fix opt_hint_timeout.test for embedded; fix mariadb client

• 2024-12-06 14:12:26 +0200

  • Optimizer hints cleanup: - add a comment that opt_hints_global->check_unresolved() is never called - improve comments - rename everything with "resolved_children" to "fully_resolved_children" - Opt_hints_table::adjust_key_hints() now returns value - less "reach-back-to-parent" logic - rename Hint "adjustment" and "resolution" (yes, both terms were used) to "fixing". "Resolution" is already used for parse-tree objects

• 2024-09-11 19:53:57 +0700

  • Implement SEMIJOIN() and SUBQUERY() hints

• 2024-12-02 14:01:47 +0700

  • Make the hint override global/session/statement setting of max_statement_time

• 2024-11-27 14:34:24 +0700

  • Make BNL() hint enable hashed join buffers

• 2024-08-07 22:10:50 +0700

  • Implement MAX_EXECUTION_TIME hint

• 2024-09-16 21:53:20 +0700

  • Make BNL() hint work for join_cache_levels from 0 to 3

• 2024-09-10 18:59:08 +0300

  • Optimizer hints cleanup: add `const` specifiers, comments

• 2024-08-30 21:50:32 +0700

  • Make BNL() hint work for join_cache_level=0

• 2024-08-21 13:55:44 +0700

  • Implement optimizer hints

• 2024-07-17 16:50:14 +0700

  • Optimizer hints Cleanup: fix formatting, rename objects

• 2024-07-15 14:29:47 +0400

  • Implement optimizer hints

• 2024-07-05 19:10:36 +0700

  • Implement optimizer hints

• 2024-06-21 12:26:28 +0400

  • Implement optimizer hints

• 2025-04-15 11:17:57 +1000

  • CHECK TABLE get number of rows without HA_STATS_RECORDS_IS_EXACT

• 2025-05-02 10:44:45 +1000

  • Support mariadb-check and CHECK TABLE with SEQUENCE

• 2025-04-25 17:45:59 +0200

  • Session tracking does not report changes from COM_CHANGE_USER

• 2025-02-23 12:59:38 +0100

  • SET SESSION AUTHORIZATION

• 2025-03-03 11:43:49 +0100

  • cleanup: extract reusable code chunks

• 2025-03-02 17:47:03 +0100

  • fix error messages

• 2025-02-21 20:55:54 +0100

  • cleanup: THD::change_user

• 2025-03-19 22:20:35 +0100

  • post-merge

• 2024-06-04 23:58:37 +0000

  • Add Client TCP Port Number to MySQL Audit Plugin Logs

• 2025-03-19 21:33:46 +0100

  • post-merge

• 2024-02-23 19:40:13 +0000

  • Extend audit plugin to include tls_version and tls_version_length variables

• 2025-04-29 13:28:31 -0600

  • : Rows_log_event::write_data_header overallocates buffer size

• 2025-04-29 19:06:32 +0200

  • SELECT create_temporary_table_binlog_formats should show exactly what it is SET to

• 2025-04-30 12:32:50 +0200

  • fix test results

• 2025-03-11 22:48:54 -0600

  • Add remaining replication options as system variables

• 2025-04-29 09:57:52 -0600

  • : Fix multi_source.connects_tried

• 2025-04-25 16:29:35 +0200

  • increase tolerance in socket_summary_check.inc

• 2025-02-18 12:49:31 +0100

  • remove unused non-standard tokens from the parser

• 2025-02-15 16:42:53 +0100

  • remove features that were deprecated in 10.5

• 2025-02-15 16:21:11 +0100

  • update deprecation.h to match the latest policy changes

• 2025-04-29 17:00:32 +1000

  • ASAN error in Item_func_latlongfromgeohash::decode_geohash (postfix)

• 2025-03-31 21:46:50 -0500

  • Clarify .frm field parsing comments: use C-style block comments, reposition loop comment, and add end marker

• 2025-04-07 20:13:58 +0300

  • Fix typos in mysql-test/

• 2025-04-21 18:27:56 +0300

  • Fix remaining typos

• 2025-04-25 12:02:22 -0400

  • spatial_utility_function{_collect,_isvalid} broken for --view-protocol

• 2025-04-17 10:32:09 +0300

  • Improvements to mtr

• 2025-03-31 20:07:13 +0300

  • Extend read_only to also block share locks and super user

• 2025-03-26 16:49:59 +0200

  • Galera mtr results updated

• 2025-03-25 17:02:19 +0200

  • Improve mtr replication setup

• 2025-03-09 22:15:23 +0200

  • Add memory allocated by my_once_alloc() to memory status

• 2025-02-26 14:38:54 +0200

  • Fixed that HA_EXTRA_FLUSH in Aria and MyISAM flushes all data to disk

• 2025-02-09 18:46:02 +0200

  • Removed possible deadlock betwen LOCK_log and LOCK_global_system_variables

• 2025-01-26 20:17:17 +0200

  • Do not log ALTER table to ddl log for REPAIR

• 2025-01-20 19:30:19 +0200

  • Added VALGRIND_YIELD to be able to abort from busy loops

• 2025-01-05 17:33:10 +0200

  • Comment and indentation improvements

• 2025-01-05 17:32:39 +0200

  • Always use all arguments for ddl_log_write_execute_entry()

• 2025-01-05 14:50:45 +0200

  • Added make_tmp_table_name() to simplify creating temporary table names

• 2025-01-14 10:59:06 +0200

  • rename binlog_show_create_table_() to binlog_show_create_table()

• 2022-08-31 11:55:02 +0300

  • Refactoring: moved select_field_count into Alter_info.

• 2025-02-15 14:08:11 +0200

  • Ensure that creation and usage of temporary tables in replication is predictable

• 2025-03-12 10:46:09 +1100

  • Add support to sha2 and pbkdf2 key derivation in file_key_management

• 2025-04-10 11:25:41 +1000

  • Support DESC indexes in loose scan optimization

• 2025-04-26 14:27:10 +0200

  • Workaround ICC compiler bug

• 2025-03-10 21:42:14 -0600

  • : Add `skip-slave-start` info message

• 2025-04-22 15:46:16 -0400

  • Fix MSAN failures in main.gis and main.spatial_utility_function_validate

• 2025-04-21 09:03:31 -0400

  • Fix conflict on rebase of GIS functions to main branch

• 2025-04-15 06:40:45 -0400

  • Initialize pointers to avoid MSAN warnings

• 2025-04-07 09:25:43 -0400

  • Server crashes in Item_func_group_concat::print

• 2025-03-28 10:30:33 -0400

  • Assertion in Item_sum_st with st_collect and group by

• 2025-03-27 10:55:57 -0400

  • st_geohash error reporting and null handling

• 2025-03-18 15:01:45 -0400

  • Assertion failed in Binary_string::q_append

• 2025-03-26 16:53:30 -0400

  • ASAN error in Item_func_latlongfromgeohash::decode_geohash

• 2025-03-18 14:21:30 -0400

  • Fix spatial_utility_function_simplify 'unknown column' errors

• 2025-01-29 16:46:24 -0500

  • Server crashes after CREATE VIEW as SELECT ST_COLLECT...

• 2024-12-18 10:26:33 -0500

  • CREATE TABLE AS SELECT ST_collect ... does not work

• 2025-03-05 15:15:53 +0400

  • st_isvalid(NULL) should not end up with an error, but return NULL.

• 2024-12-20 16:01:03 -0500

  • Wrong results from st_isvalid for multipolygon.

• 2024-12-16 15:57:17 -0500

  • CREATE TABLE AS SELECT ST_VALIDATE creates a column with datatype point, not geometry

• 2024-10-24 12:12:04 -0400

  • Assertion failed in Binary_string::q_append

• 2024-09-17 17:10:36 -0400

  • : Fix Item_func_collect inheritance

• 2024-10-02 09:50:57 -0400

  • : test main.spatial_utility_function_simplify fails

• 2024-09-16 12:22:09 -0400

  • GIS update get_copy overrides to do_get_copy const

• 2024-09-15 08:12:17 +0200

  • GIS fixes for --view

• 2024-08-14 18:24:21 +0200

  • : Implements DISTINCT for ST_Collect

• 2021-01-08 18:26:04 +0100

  • : Implement the GIS function ST_Collect

• 2015-01-26 13:56:12 +0530

  • : Implement the GIS function ST_Validate

• 2024-07-02 10:56:22 +0200

  • : Implements the function ST_IsValid

• 2024-06-07 16:20:10 +0200

  • : Implements the function ST_Simplify

• 2024-07-22 17:20:07 +0200

  • fix typo spatial_ref_sys

• 2024-07-02 10:56:22 +0200

  • : Implements the function ST_IsValid

• 2024-08-05 22:41:49 +0200

  • : Implements ST_PointFromGeoHash

• 2024-07-17 17:10:31 +0200

  • : Implements ST_LongFromGeoHash

• 2024-07-17 12:31:15 +0200

  • : Implements ST_LatFromGeoHash

• 2024-06-25 22:28:57 +0200

  • : Implements the function MBRCoveredBy

• 2014-07-24 14:18:54 +0200

  • : Implement the GIS function ST_Geohash

• 2025-04-14 22:14:57 -0600

  • : Reset `Connects_Tried` with `Master_Retry_Count=X`

• 2025-02-20 12:46:31 +0100

  • : sync galera settings with KB doc

• 2025-03-27 18:27:44 -0600

  • fixup: Timing-independent MTR test

• 2021-04-04 10:21:04 -0700

  • : Rename mariadb.pc to mariadb-server-embedded.pc to avoid confusion

• 2025-04-19 18:36:03 +0700

  • : Add support for TRIGGERS that fire on multiple events

• 2025-02-17 14:50:01 +0100

  • Support password protected SSL key in server.

• 2025-01-23 22:23:07 +0000

  • STR_TO_DATE does not return NULL for invalid dates

• 2023-09-14 07:01:32 +0400

  • Add support for the pre-defined weak SYS_REFCURSOR

• 2025-04-11 19:26:24 +0300

  • Fix typos in user-facing messages

• 2024-08-22 13:38:55 +0200

  • Update THIRDPARTY license file to reflect reality

• 2025-04-18 15:06:50 +0200

  • bump the version

• ^{Merge 2025-04-18 12:07:02 +0200 - Merge branch '11.8' into main}

• 2025-01-29 18:53:39 +0000

  • : Consider dates ending in 'T' as malformed

• 2025-03-23 08:08:11 +0200

  • Fix typos in C comments inside storage/

• 2025-03-18 10:27:40 +0100

  • : Unique error for changing Domain ID with open temporary tables

• 2025-03-24 10:30:39 +0100

  • Add a sanity check for backups

• 2025-03-22 15:26:51 +0200

  • Fix typos in C comments in miscellaneous files

• 2025-03-20 18:38:09 +0400

  • Comparison ROW(stored_func(),1)=ROW(1,1) calls the function twice per row

• 2025-03-21 16:51:56 +0100

  • MDBF-1000: wrong urls

• 2025-03-20 16:37:49 +0100

  • MDBF-1000: implement an export for the server repository

• 2025-02-19 06:52:16 -0500

  • Row ID filtering for reverse-ordered scans

• 2025-02-19 07:22:05 -0500

  • Row ID filtering for reverse-ordered scans

• 2025-02-10 13:56:25 -0500

  • Index Condition Pushdown for reverse ordered scans

• 2025-02-07 11:20:23 -0500

  • Index Condition Pushdown for reverse-ordered scans

• 2025-03-18 15:46:47 +0400

  • Corrections to parent "speedup collation" commit

• 2025-03-09 19:39:27 +0530

  • - speedup collation/charset lookup

• 2025-03-14 00:38:52 +0400

  • Corrections to parent "fix typos" commmit

• 2025-03-09 18:19:33 +0200

  • Fix typos in C comments inside sql/

• ^{Merge 2025-03-05 21:20:02 +0200 - Merge 11.8 into main}

• 2025-02-18 14:07:14 +0200

  • mysql option --script-dir

• 2025-03-03 12:00:36 +0100

  • Review fixes

• 2025-02-25 14:27:10 +0100

  • Rewrite the 'Types' chapter in coding standards.

• 2025-02-10 22:29:43 -0700

  • misc. `sql/slave.cc` & co. refactor

• 2025-02-20 16:56:12 -0700

  • : Add `Connects_Tried` and `Master_Retry_Count` to SSS

• 2025-02-19 16:51:54 -0700

  • : Add CHANGE MASTER TO master_retry_count

• 2025-02-04 17:38:23 -0700

  • slave.cc `try_to_reconnect` remove `retry_counter`

• 2025-02-06 23:01:45 +0000

  • Fix missing binary failures from test_upgrade.sh

• 2025-02-12 11:16:50 +0100

  • 12.0 branch