> 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/community-server/old-releases/10.3/10.3.23.md). # MariaDB 10.3.23 Release Notes The most recent release of [MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) is:[**MariaDB 10.3.39**](/docs/release-notes/community-server/old-releases/10.3/10.3.39.md) Stable (GA) [Download Now](https://downloads.mariadb.org/mariadb/10.3.39/) [Download](https://downloads.mariadb.org/mariadb/10.3.23/) | [Release Notes](/docs/release-notes/community-server/old-releases/10.3/10.3.23.md) | [Changelog](/docs/release-notes/community-server/changelogs/changelogs-mariadb-10-3-series/mariadb-10323-changelog.md) | [Overview of 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) **Release date:** 12 May 2020 [MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) is the previous stable series of MariaDB, and an evolution of [MariaDB 10.2](/docs/release-notes/community-server/old-releases/10.2/what-is-mariadb-102.md) with several entirely new features not found anywhere else and with backported and reimplemented features from\ MySQL. [MariaDB 10.3.23](/docs/release-notes/community-server/old-releases/10.3/10.3.23.md) is a [***Stable (GA)***](/docs/release-notes/community-server/about/release-criteria.md) release. **For an overview of MariaDB Server 10.3 see the** [**What is MariaDB 10.3?**](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) **page.** Thanks, and enjoy MariaDB! ## Notable Changes ### Events * Fixed issue that, from [MariaDB 10.3.19](/docs/release-notes/community-server/old-releases/10.3/10.3.19.md), disabled all [events](/docs/server/server-usage/triggers-events/event-scheduler/events.md) created by a server with a different `server_id`. Note that the fix does not re-enable affected events. ([MDEV-21758](https://jira.mariadb.org/browse/MDEV-21758)) ### Privileges * [SHOW PRIVILEGES](/docs/server/reference/sql-statements/administrative-sql-statements/show/show-privileges.md) now correctly lists the `Delete history` privilege, rather than displaying it as `Delete versioning rows`. ([MDEV-20382](https://jira.mariadb.org/browse/MDEV-20382)) ### Other * [HeidiSQL](/docs/server/clients-and-utilities/graphical-and-enhanced-clients/heidisql.md) updated to 11.0 ([MDEV-22032](https://jira.mariadb.org/browse/MDEV-22032)) * Introduce a file format constraint to ALTER TABLE. See [innodb\_instant\_alter\_column\_allowed](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_instant_alter_column_allowed) ([MDEV-20590](https://jira.mariadb.org/browse/MDEV-20590)) * ALTER TABLE, FORCE all partition to rebuild if any one of the partition does rebuild ([MDEV-21832](https://jira.mariadb.org/browse/MDEV-21832)) * ALTER TABLE, InnoDB aborts while adding instant column for discarded tablespace ([MDEV-22446](https://jira.mariadb.org/browse/MDEV-22446)) * Optimizer, Wrong query results with `optimizer_switch="split_materialized=on"` ([MDEV-21614](https://jira.mariadb.org/browse/MDEV-21614)) * SHOW GRANTS does not quote role names properly ([MDEV-20076](https://jira.mariadb.org/browse/MDEV-20076)) * Partitioning INSERT chooses wrong partition for RANGE partitioning by DECIMAL column ([MDEV-21195](https://jira.mariadb.org/browse/MDEV-21195)) * mariadb-backup does not honor ignore\_db\_dirs from server config ([MDEV-19347](https://jira.mariadb.org/browse/MDEV-19347)) * mariadb-backup `--ftwrl-wait-timeout` never times out on explicit lock ([MDEV-20230](https://jira.mariadb.org/browse/MDEV-20230)) * FULLTEXT INDEX, Assertion \`\`!table->fts->in\_queue`' failed in` fts\_optimize\_remove\_table\` ([MDEV-21550](https://jira.mariadb.org/browse/MDEV-21550)) * Wrong estimate of affected BLOB columns in update of PRIMARY KEY ([MDEV-22384](https://jira.mariadb.org/browse/MDEV-22384)) * Duplicate key value is silently truncated to 64 characters in `print_keydup_error` ([MDEV-20604](https://jira.mariadb.org/browse/MDEV-20604)) * Session tracking returns incorrectly long tracking data ([MDEV-22504](https://jira.mariadb.org/browse/MDEV-22504)) * Add `pam_user_map.so` file to binary tarball package ([MDEV-21913](https://jira.mariadb.org/browse/MDEV-21913)) * Running out of file descriptors and eventual crash ([MDEV-18027](https://jira.mariadb.org/browse/MDEV-18027)) * mysql\_upgrade is made aware of the upstream slave tables to issue warnings when that takes place ([MDEV-10047](https://jira.mariadb.org/browse/MDEV-10047)) * Corruption for `SET GLOBAL innodb_` string variables ([MDEV-22393](https://jira.mariadb.org/browse/MDEV-22393)) * wsrep performance optimization ([MDEV-7962](https://jira.mariadb.org/browse/MDEV-7962)) * mysqldump parameter, `--ignore-table-data`, added ([MDEV-22037](https://jira.mariadb.org/browse/MDEV-22037)) * Server can fail while replicating conditional comments (Bug#28388217) * [Galera wsrep library](https://mariadb.com/docs/galera-cluster/) updated to 25.3.29 * Added the `xml-report` option to [mysql-test-run](/docs/server/clients-and-utilities/testing-tools/mariadb-test/mariadb-test-run-pl-options.md) ([MDEV-22176](https://jira.mariadb.org/browse/MDEV-22176)) * Packages and [repositories](https://downloads.mariadb.org/mariadb/repositories/) for Ubuntu 20.04 "focal" added * As per the [MariaDB Deprecation Policy](/docs/release-notes/community-server/about/platform-deprecation-policy.md), this will be the last release of [MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) for Debian 8 "Jessie" * Fixes for the following [security vulnerabilities](/docs/server/security/cve.md): * [CVE-2020-2752](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2752) * [CVE-2020-2812](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2812) * [CVE-2020-2814](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2814) * [CVE-2020-2760](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2760) * [CVE-2020-13249](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13249) When upgrading from [MariaDB 10.3.8](/docs/release-notes/community-server/old-releases/10.3/10.3.8.md) or earlier to [MariaDB 10.3.9](/docs/release-notes/community-server/old-releases/10.3/10.3.9.md) or higher, running mysql\_upgrade is **required** due to changes introduced in[MDEV-14637](https://jira.mariadb.org/browse/MDEV-14637). ## Changelog For a complete list of changes made in [MariaDB 10.3.23](/docs/release-notes/community-server/old-releases/10.3/10.3.23.md), with links to detailed information on each push, see the [changelog](/docs/release-notes/community-server/changelogs/changelogs-mariadb-10-3-series/mariadb-10323-changelog.md). ## Contributors For a full list of contributors to [MariaDB 10.3.23](/docs/release-notes/community-server/old-releases/10.3/10.3.23.md), see the [MariaDB Foundation release announcement](https://mariadb.org/mariadb-10-4-13-10-3-23-10-2-32-10-1-45-and-5-5-68-now-available).\ Thanks, and enjoy MariaDB!> {% hint style="info" %} Be notified of new MariaDB Server releases automatically by [subscribing](https://lists.mariadb.org/postorius/lists/announce.lists.mariadb.org/) to the MariaDB Foundation community announce 'at' lists.mariadb.org announcement list (this is a low traffic, announce-only list). 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