> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/enterprise-server/old-releases/10.3/10.3.29-12.md).

# Release Notes for MariaDB Enterprise Server 10.3.29-12

This twelfth release of [MariaDB Enterprise Server](/docs/server/architecture/topologies/single-node-topologies/enterprise-server.md) 10.3 is a maintenance release. This release includes a variety of fixes.

MariaDB Enterprise Server 10.3.29-12 was released on 2021-06-14.

## Fixed Security Vulnerabilities

| CVE (with [cve.org](https://cve.mitre.org/) link)                             | CVSS base score |
| ----------------------------------------------------------------------------- | --------------- |
| [CVE-2021-2166](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2166) | 4.9             |
| [CVE-2021-2154](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2154) | 4.9             |

## Notable Changes

* New function [ST\_DISTANCE\_SPHERE()](/docs/server/reference/sql-statements/geometry-constructors/geometry-relations/st_distance_sphere.md) calculates the spherical distance between two geometries (point or multipoint) on a sphere. ([MDEV-13467](https://jira.mariadb.org/browse/MDEV-13467))
* [Galera](https://mariadb.com/docs/galera-cluster/) updated to 25.3.3
* Issue deprecation warnings for [innodb\_checksum\_algorithm](/docs/server/server-management/variables-and-modes/server-system-variables.md#innodb_checksum_algorithm) values `none, innodb, strict_none, strict_innodb` ([MDEV-25106](https://jira.mariadb.org/browse/MDEV-25106))

## Issues Fixed

### Can result in data loss

* [ALTER TABLE](/docs/server/reference/sql-statements/data-definition/alter/alter-table.md) fails to rename a column in an [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) table and causes the server to crash. The [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) table is not accessible after a restart. ([MDEV-24763](https://jira.mariadb.org/browse/MDEV-24763))
* Table corruption [ER\_NO\_SUCH\_TABLE\_IN\_ENGINE](/docs/server/reference/error-codes/mariadb-error-codes-1900-to-1999/e1932.md) or [ER\_CRASHED\_ON\_USAGE](/docs/server/reference/error-codes/mariadb-error-codes-1100-to-1199/e1194.md) after [ALTER](/docs/server/reference/sql-statements/data-definition/alter.md) on [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) table with foreign key. ([MDEV-24532](https://jira.mariadb.org/browse/MDEV-24532))
* [MariaDB Enterprise Backup](/docs/server/server-usage/backup-and-restore/mariadb-enterprise-backup.md) deletes the current source file after a `No space left on device` error, before exiting. Only the incomplete target file is still available. ([MDEV-25221](https://jira.mariadb.org/browse/MDEV-25221))
* Possible corruption in online [ALTER TABLE](/docs/server/reference/sql-statements/data-definition/alter/alter-table.md) for [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) with [ROW\_FORMAT=REDUNDANT](/docs/server/server-management/variables-and-modes/server-system-variables.md#innodb_default_row_format) ([MDEV-24730](https://jira.mariadb.org/browse/MDEV-24730))
* [DELETE HISTORY](/docs/server/reference/sql-statements/data-manipulation/changing-deleting-data/delete.md#delete-history) may delete current data on the [system-versioned table](/docs/server/reference/sql-structure/temporal-tables/system-versioned-tables.md). ([MDEV-25468](https://jira.mariadb.org/browse/MDEV-25468))

### Can result in a hang or crash

* Possible hang when [KILL CONNECTION](/docs/server/reference/sql-statements/administrative-sql-statements/kill.md) or [KILL QUERY](/docs/server/reference/sql-statements/administrative-sql-statements/kill.md) is used with [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) and a multi-master setup. ([MDEV-18874](https://jira.mariadb.org/browse/MDEV-18874))
* Possible memory corruption with [MariaDB Enterprise Cluster](https://mariadb.com/docs/galera-cluster/) when inserting values bigger than 4096 bytes into variable-length fields ([BLOB](/docs/server/reference/data-types/string-data-types/blob.md), [TEXT](/docs/server/reference/data-types/string-data-types/text.md), [VARCHAR](/docs/server/reference/data-types/string-data-types/varchar.md), and related types). ([MDEV-24978](https://jira.mariadb.org/browse/MDEV-24978))
* [innodb\_flush\_method=O\_DIRECT](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_flush_method) fails on compressed tables. ([MDEV-25121](https://jira.mariadb.org/browse/MDEV-25121))
* Server crashes in check\_grant upon invoking the function with [userstat](/docs/server/server-management/variables-and-modes/server-system-variables.md#userstat) enabled. ([MDEV-25242](https://jira.mariadb.org/browse/MDEV-25242))
* [MariaDB Client](/docs/server/clients-and-utilities/mariadb-client.md) crashes when [--default-character-set](/docs/server/server-usage/tables/create-table.md#default-character-set-charset)) is set and [--character-sets-dir](/docs/server/server-management/variables-and-modes/server-system-variables.md#character_sets_dir) is undefined. ([MDEV-24879](https://jira.mariadb.org/browse/MDEV-24879))
* Possible Server crash when [dropping a table](/docs/server/server-usage/tables/drop-table.md). Only seen when using a table space per table, and if the tablespace size is increased at the time of the drop. ([MDEV-20648](https://jira.mariadb.org/browse/MDEV-20648))
* Possible server hang with InnoDB and indexed virtual columns after an error with [UPDATE](/docs/server/reference/sql-statements/data-manipulation/changing-deleting-data/update.md), [INSERT](/docs/server/reference/sql-statements/data-manipulation/inserting-loading-data/insert.md), or [REPLACE](/docs/server/reference/sql-statements/data-manipulation/changing-deleting-data/replace.md) on virtual columns. ([MDEV-24786](https://jira.mariadb.org/browse/MDEV-24786))
* [MariaDB Enterprise Cluste](https://mariadb.com/docs/galera-cluster/) conflict resolution issues. ([MDEV-24923](https://jira.mariadb.org/browse/MDEV-24923))
* Index count mismatch due to aborted `FULLTEXT INDEX` ([MDEV-25200](https://jira.mariadb.org/browse/MDEV-25200))
* [MariaDB Enterprise Cluste](https://mariadb.com/docs/galera-cluster/) node crashes when inserting a row into a table that contains a virtual column and does not have a primary key. ([MDEV-25047](https://jira.mariadb.org/browse/MDEV-25047))
* Server crashes when InnoDB fails to add a new index on a new virtual column and a concurrent connection executes a query that accesses the freed virtual column. ([MDEV-24971](https://jira.mariadb.org/browse/MDEV-24971))
* [EXISTS](/docs/server/reference/sql-statements/data-manipulation/selecting-data/subqueries/subqueries-and-exists.md) subquery with correlation in the `ON` expression crashes. ([MDEV-25407](https://jira.mariadb.org/browse/MDEV-25407))
* Server crashes in `row_undo_mod_clust_low` upon rollback of read-only transaction. ([MDEV-25457](https://jira.mariadb.org/browse/MDEV-25457))
* Server crashes on the second execution of a stored procedure when the stored procedure uses an invalid multi-table [UPDATE](/docs/server/reference/sql-statements/data-manipulation/changing-deleting-data/update.md) statement to update a view. ([MDEV-24823](https://jira.mariadb.org/browse/MDEV-24823))
* [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) startup hangs when a recovered transaction exists for the [mysql.innodb\_index\_stats or innodb-system-variables/#innodb\_table\_stats|mysql.innodb\_table\_stats](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_index_stats) system tables and a DDL transaction need to be rolled back. ([MDEV-25503](https://jira.mariadb.org/browse/MDEV-25503))
* Server crashes when [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) tries to fetch data from a table containing a `FULLTEXT INDEX`, and the table's tablespace was discarded. ([MDEV-25536](https://jira.mariadb.org/browse/MDEV-25536))
* Server crashes on [SHOW TABLES](/docs/server/reference/sql-statements/administrative-sql-statements/show/show-tables.md) when a `WHERE` condition references a derived table. ([MDEV-21603](https://jira.mariadb.org/browse/MDEV-21603))
* Potential hang in [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) purge when virtual indexed columns exist. (MENT-1203)
* After [DROP INDEX](/docs/server/reference/sql-statements/data-definition/drop/drop-index.md) or [CREATE INDEX](/docs/server/reference/sql-statements/data-definition/create/create-index.md), change buffer entries for secondary indexes are lost on [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) restart. (MENT-1217)
* Crashes with nested table value constructors. ([MDEV-22786](https://jira.mariadb.org/browse/MDEV-22786))
* Server crashes when an aggregate function is called on a table value constructed with the [VALUES()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) or [VALUE()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) functions. ([MDEV-24919](https://jira.mariadb.org/browse/MDEV-24919))
* Server crashes when a [SELECT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) statement has a subquery that references a table value constructed with the [VALUES()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) or [VALUE()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) functions. ([MDEV-24910](https://jira.mariadb.org/browse/MDEV-24910))
* Server crashes when a [SELECT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) statement has an IN() clause that references the UNION of two table values constructed with the [VALUES()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) or [VALUE()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) functions. ([MDEV-24840](https://jira.mariadb.org/browse/MDEV-24840))

Possible memory corruption or crash if a table definition is evicted from the cache during a transaction commit. ([MDEV-24811](https://jira.mariadb.org/browse/MDEV-24811))

* Server crashes when the [DEFAULT()](/docs/server/reference/sql-functions/secondary-functions/information-functions/default.md) function is called on a [BLOB](/docs/server/reference/data-types/string-data-types/blob.md) column. ([MDEV-22703](https://jira.mariadb.org/browse/MDEV-22703), [MDEV-24958](https://jira.mariadb.org/browse/MDEV-24958), [MDEV-24942](https://jira.mariadb.org/browse/MDEV-24942))
* Server crashes when a [SELECT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) statement queries an [Information Schema](/docs/server/reference/system-tables/information-schema.md) table and uses a JOIN ([MDEV-24929](https://jira.mariadb.org/browse/MDEV-24929))
* Server crashes in optimize\_schema\_tables\_memory\_usage after [SELECT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) from [information\_schema.innodb\_sys\_columns](/docs/server/reference/system-tables/information-schema/information-schema-tables/information-schema-innodb-tables.md#innodb_sys_columns) ([MDEV-24868](https://jira.mariadb.org/browse/MDEV-24868))
* Server crashes when a `FULLTEXT INDEX` is added to an [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) table, and the tablespace for the table was previously discarded. ([MDEV-25070](https://jira.mariadb.org/browse/MDEV-25070))
* Server crashes when the optimizer incorrectly removes a GROUP BY from a subquery, because the column is specified in both the [SELECT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) list and the GROUP BY list. ([MDEV-24925](https://jira.mariadb.org/browse/MDEV-24925))
* Server crashes when a [SELECT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) statement has a subquery in the `FROM` clause that contains a `GROUP BY` clause, and multiple indexes are used: one index is used to resolve the `GROUP BY` clause, and another index is used for the `LATERAL DERIVED` optimization. ([MDEV-23723](https://jira.mariadb.org/browse/MDEV-23723))
* [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) conflict resolution issues. ([MDEV-24892](https://jira.mariadb.org/browse/MDEV-24892))

### Can result in unexpected behavior

* `SUM` column from a derived table returns invalid values. ([MDEV-23291](https://jira.mariadb.org/browse/MDEV-23291))
* [CAST('0e1111111111' AS DECIMAL(38,0))](/docs/server/reference/sql-functions/string-functions/cast.md) returns an incorrect result. ([MDEV-24790](https://jira.mariadb.org/browse/MDEV-24790))
* Incorrect behavior of [SET STATEMENT](/docs/server/reference/sql-statements/administrative-sql-statements/set-commands/set-statement.md) when it is executed as a prepared statement. ([MDEV-24860](https://jira.mariadb.org/browse/MDEV-24860))
* Query returns an [ER\_BAD\_FIELD\_ERROR](/docs/server/reference/error-codes/mariadb-error-codes-1000-to-1099/e1054.md) when a subquery contains a `JOIN` with an `ON` clause that references an outer column. ([MDEV-25002](https://jira.mariadb.org/browse/MDEV-25002))
* Query returns an [ER\_BAD\_FIELD\_ERROR](/docs/server/reference/error-codes/mariadb-error-codes-1000-to-1099/e1054.md) when a Common Table Expression (CTE) contains a UNION ([MDEV-24597](https://jira.mariadb.org/browse/MDEV-24597))
* Query returns wrong result when the [MIN()](/docs/server/reference/sql-functions/aggregate-functions/min.md) or [MAX()](/docs/server/reference/sql-functions/aggregate-functions/max.md) aggregate functions are used, and the aggregated column is indexed. ([MDEV-25112](https://jira.mariadb.org/browse/MDEV-25112))
* Wrong result (extra rows and wrong values) with incremental block nested loop hash. ([MDEV-21104](https://jira.mariadb.org/browse/MDEV-21104))
* Query returns wrong results when a `JOIN` is evaluated using the Block Nested Loop Hash (BLNH) optimization with a compound index. ([MDEV-24767](https://jira.mariadb.org/browse/MDEV-24767))
* Server fails to start using `mysqld_multi` with `mysqld_safe` options. ([MDEV-21039](https://jira.mariadb.org/browse/MDEV-21039))
* Duplicate key may be generated during a [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) configuration change. ([MDEV-24853](https://jira.mariadb.org/browse/MDEV-24853))
* State snapshot transfer (SST) for [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) using [MariaDB Enterprise Backup](/docs/server/server-usage/backup-and-restore/mariadb-enterprise-backup.md) fails when the --log-bin option was set on the command-line with no value at server startup. ([MDEV-24903](https://jira.mariadb.org/browse/MDEV-24903))
* Race condition between persistent statistics and [RENAME TABLE](/docs/server/reference/sql-statements/data-definition/rename-table.md) or [TRUNCATE](/docs/server/reference/sql-functions/numeric-functions/truncate.md) ([MDEV-25051](https://jira.mariadb.org/browse/MDEV-25051))
* Race condition between [ANALYZE TABLE](/docs/server/reference/sql-statements/table-statements/analyze-table.md) and `STATS_AUTO_RECALC` ([MDEV-10682](https://jira.mariadb.org/browse/MDEV-10682))
* Incorrect message about field length is written to the error log when [CHECK TABLE](/docs/server/reference/sql-statements/table-statements/check-table.md) is executed on an [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) table. ([MDEV-24748](https://jira.mariadb.org/browse/MDEV-24748))
* No error is returned when the optimizer removes a redundant part of a subquery that contains an unknown table alias. For example, if the optimizer removes a redundant `GROUP BY` clause from an [IN()](/docs/server/reference/sql-structure/operators/comparison-operators/in.md) subquery, unknown table aliases in the redundant part are ignored. ([MDEV-23449](https://jira.mariadb.org/browse/MDEV-23449))
* [Selectivity](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) shown with [EXPLAIN](/docs/server/reference/sql-statements/administrative-sql-statements/analyze-and-explain-statements/explain.md) in the field "`filter`" is incorrect for [BIT](/docs/server/reference/data-types/numeric-data-types/bit.md) columns. ([MDEV-22583](https://jira.mariadb.org/browse/MDEV-22583))
* Histogram statistics are used even with [optimizer\_use\_condition\_selectivity=3](/docs/server/server-management/variables-and-modes/server-system-variables.md#optimizer_use_condition_selectivity) ([MDEV-19474](https://jira.mariadb.org/browse/MDEV-19474))
* [EXPLAIN](/docs/server/reference/sql-statements/administrative-sql-statements/analyze-and-explain-statements/explain.md) shows nonsensical value for `key_len` with `type=index` ([MDEV-11172](https://jira.mariadb.org/browse/MDEV-11172))
* SSL connection fails when server and client certs are signed by the same CA. ([MDEV-23740](https://jira.mariadb.org/browse/MDEV-23740))
* Wrong function name in error messages upon [ST\_GeomFromGeoJSON](/docs/server/reference/sql-statements/geometry-constructors/geometry-constructors/st_geomfromgeojson.md) call. ([MDEV-25272](https://jira.mariadb.org/browse/MDEV-25272))
* [MariaDB Enterprise Backup](/docs/server/server-usage/backup-and-restore/mariadb-enterprise-backup.md) fails [--prepare](/docs/server/server-usage/backup-and-restore/mariadb-backup/mariadb-backup-options.md#prepare) on large backup. ([MDEV-24197](https://jira.mariadb.org/browse/MDEV-24197))
* State snapshot transfer (SST) for [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) using [MariaDB Enterprise Backup](/docs/server/server-usage/backup-and-restore/mariadb-enterprise-backup.md) fails when the password for the backup user is set via the MYSQL\_PWD environment variable. ([MDEV-25321](https://jira.mariadb.org/browse/MDEV-25321))
* State snapshot transfer (SST) for [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) using [MariaDB Enterprise Backup](/docs/server/server-usage/backup-and-restore/mariadb-enterprise-backup.md) fails when the [--innodb](/docs/server/server-usage/storage-engines/innodb.md) option was set on the command-line at server startup. ([MDEV-25328](https://jira.mariadb.org/browse/MDEV-25328))
* An extra warning is returned when the [EXPLAIN EXTENDED](/docs/server/reference/sql-statements/administrative-sql-statements/analyze-and-explain-statements/explain.md) statement is executed in a prepared statement. ([MDEV-25108](https://jira.mariadb.org/browse/MDEV-25108))
* Complex query in stored procedure returns wrong results. ([MDEV-25182](https://jira.mariadb.org/browse/MDEV-25182))
* [ALTER TABLE](/docs/server/reference/sql-statements/data-definition/alter/alter-table.md) wrongly checks for the field's default value if `AFTER` is used. ([MDEV-25403](https://jira.mariadb.org/browse/MDEV-25403))
* Incorrect name resolution for subqueries in ON expressions. ([MDEV-25362](https://jira.mariadb.org/browse/MDEV-25362))
* When [FLUSH LOGS](/docs/server/reference/sql-statements/administrative-sql-statements/flush-commands/flush.md) is executed, a race condition between [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) group commit and binary log rotation causes the old binary log file to become obsolete before the [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) group commit has been written to it. ([MDEV-24526](https://jira.mariadb.org/browse/MDEV-24526))
* MariaDB Enterprise Backup logs an error instead of a warning when it reads an invalid log block checksum during a --backup. ([MDEV-25456](https://jira.mariadb.org/browse/MDEV-25456))
* Rows are wrongly omitted when an InnoDB index is read using Multiversion Concurrency Control (MVCC). ([MDEV-25459](https://jira.mariadb.org/browse/MDEV-25459))
* [SELECT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/select.md) aborts after failed [REPLACE](/docs/server/reference/sql-statements/data-manipulation/changing-deleting-data/replace.md) into a table with a virtual column. ([MDEV-24583](https://jira.mariadb.org/browse/MDEV-24583))
* [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) fails to fetch the index type when an index mismatch happens. ([MDEV-22928](https://jira.mariadb.org/browse/MDEV-22928))
* [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) silently enables InnoDB Monitor output and never disables it when a `wsrep` slave thread tries to perform a brute-force (BF) kill, but fails due to a long lock wait. ([MDEV-25319](https://jira.mariadb.org/browse/MDEV-25319))
* RENAME TABLE causes `"Ignoring data file ... with space ID xxxx, since the redo log references ... with space ID xxxx."` for [MariaDB Enterprise Backup](/docs/server/server-usage/backup-and-restore/mariadb-enterprise-backup.md). ([MDEV-25568](https://jira.mariadb.org/browse/MDEV-25568))
* The Replication Heartbeat binary log event (`Heartbeat_log_event`) uses 4 bytes to store the log position within the current binary log file, so the log position overflows when the binary log file size exceeds 4 GB. ([MDEV-16146](https://jira.mariadb.org/browse/MDEV-16146))
* [InnoDB](/docs/server/server-usage/storage-engines/innodb.md) spatial indexes miss large geometry fields. (MENT-1205)
* Table alias from previous statement interferes with later commands. (MENT-1200)
* [MariaDB Enterprise Cluster](/docs/server/architecture/topologies/galera-cluster.md) fails to replicate the [SET PASSWORD](/docs/server/reference/sql-statements/account-management-sql-statements/set-password.md) statement when [strict\_password\_validation](/docs/server/server-management/variables-and-modes/server-system-variables.md#strict_password_validation) is enabled. ([MDEV-25258](https://jira.mariadb.org/browse/MDEV-25258))
* [EXPLAIN](/docs/server/reference/sql-statements/administrative-sql-statements/analyze-and-explain-statements/explain.md) statement does not show details about sub-queries when the primary table is a table value constructed with the [VALUES()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) or [VALUE()](/docs/server/reference/sql-functions/secondary-functions/miscellaneous-functions/values-value.md) functions. ([MDEV-24936](https://jira.mariadb.org/browse/MDEV-24936))
* `JOIN` of a materialized derived table returns the wrong result when the [split\_materialized](/docs/server/ha-and-performance/optimization-and-tuning/query-optimizations/optimizer-switch.md) optimization is enabled. ([MDEV-25128](https://jira.mariadb.org/browse/MDEV-25128))
* Uninitialized value upon `CREATE .. SELECT .. VALUE` and a variety of resulting errors with different engines. ([MDEV-24710](https://jira.mariadb.org/browse/MDEV-24710))
* Dropping the primary key column from a [system-versioned table](/docs/server/reference/sql-structure/temporal-tables/system-versioned-tables.md) always fails with Error 1072. ([MDEV-24690](https://jira.mariadb.org/browse/MDEV-24690))
* `ALTER TABLE .. ADD COLUMN .. AS ROW START` returns misleading [ER\_VERS\_DUPLICATE\_ROW\_START\_END](/docs/server/reference/error-codes/mariadb-error-codes-4100-to-4199/e4134.md) error. ([MDEV-25172](https://jira.mariadb.org/browse/MDEV-25172))
* Unexpected [ER\_DUP\_ENTRY](/docs/server/reference/error-codes/mariadb-error-codes-1000-to-1099/e1064.md) error when the Primary Key column is dropped from a [system-versioned table](/docs/server/reference/sql-structure/temporal-tables/system-versioned-tables.md). ([MDEV-25327](https://jira.mariadb.org/browse/MDEV-25327))
* [slave\_compressed\_protocol](/docs/server/server-management/variables-and-modes/server-system-variables.md#slave_compressed_protocol) doesn't work properly with semi-sync replication. ([MDEV-24773](https://jira.mariadb.org/browse/MDEV-24773))
* Sequence created by one connection remains invisible to another. ([MDEV-24545](https://jira.mariadb.org/browse/MDEV-24545))
* routine\_definition in [|information\_schema.routines](/docs/server/reference/system-tables/information-schema.md#routines) loses tablename if it starts with an \_ and is not backticked. ([MDEV-25501](https://jira.mariadb.org/browse/MDEV-25501))
* `JOIN` of a derived table using an aggregation function returns incorrect results. (MENT-1210)
* [CREATE PROCEDURE](/docs/server/server-usage/stored-routines/stored-procedures/create-procedure.md) / [DROP PROCEDURE](/docs/server/server-usage/stored-routines/stored-procedures/drop-procedure.md) not logged with MariaDB Audit Plugin. ([MDEV-23457](https://jira.mariadb.org/browse/MDEV-23457))

### Related to install and upgrade

* Missing `libsepol` dependency on SLES 12 and SLES 15. (MENT-1163)
* `caching_sha2_password.so` isn't included in Debian packages. ([MDEV-24728](https://jira.mariadb.org/browse/MDEV-24728))
* Minor version upgrade does not perform a server restart. ([MDEV-25240](https://jira.mariadb.org/browse/MDEV-25240))

Interface Changes

* [mariadb-backup](/docs/server/server-usage/backup-and-restore/mariadb-backup.md) [--innodb-force-recovery](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_force_recovery) command-line option added
* [mariadb\_repo\_setup](/docs/server/server-management/install-and-upgrade-mariadb/mariadb-package-repository-setup-and-usage.md) skip-check-installed command-line option added
* [ST\_DISTANCE\_SPHERE](/docs/server/reference/sql-statements/geometry-constructors/geometry-relations/st_distance_sphere.md) function added

## Platforms

In alignment with the [enterprise lifecycle](/docs/release-notes/enterprise-server/about/enterprise-server-lifecycle.md), MariaDB Enterprise Server 10.3.29-12 is provided for:

* CentOS 7
* CentOS 8
* Debian 9
* Debian 10
* Red Hat Enterprise Linux 7
* Red Hat Enterprise Linux 8
* SUSE Linux Enterprise Server 12
* SUSE Linux Enterprise Server 15
* Ubuntu 18.04
* Ubuntu 20.04
* Microsoft Windows

Some components of MariaDB Enterprise Server might not support all platforms. For additional information, see "[MariaDB Corporation Engineering Policies](https://mariadb.com/engineering-policies)".

<sub>*This page is: Copyright © 2025 MariaDB. All rights reserved.*</sub>

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