MariaDB 10.6.8 Release Notes

The most recent release of MariaDB 10.6 is:MariaDB 10.6.21 Stable (GA) Download NowAlternate download from mariadb.org

Download 10.6.8Release NotesChangelogOverview of 10.6

Release date: 20 May 2022

MariaDB 10.6 is the current long-term maintenance stable series of MariaDB. It is an evolution of MariaDB 10.5 with several entirely new features.

MariaDB 10.6.8 is a Stable (GA) release.

For an overview of MariaDB 10.6 see theWhat is MariaDB 10.6? page.

Thanks, and enjoy MariaDB!

Note that MariaDB 10.6.8 is not yet available for Ubuntu 22.04 due to MDEV-28133. MariaDB 10.6.9 will be available.

Notable Items

InnoDB

• innodb_disallow_writes removed (MDEV-25975)

• InnoDB gap locking fixes (MDEV-20605, MDEV-28422)

• InnoDB performance improvements (MDEV-27557, MDEV-28185, MDEV-27767, MDEV-28313, MDEV-28137, MDEV-28465, MDEV-26789)

• Backup regression fixes (MDEV-27919)

• InnoDB portability: FreeBSD futexes (MDEV-26476), POWER and s390x transactional memory (MDEV-27956)

• ALTER TABLE: Fixed bogus duplicate key errors (MDEV-15250)

• DDL and crash recovery fixes (MDEV-27274, MDEV-27234, MDEV-27817)

• Requests to recalculate persistent statistics were sometimes lost (MDEV-27805)

Replication

• Semisync-slave server recovery is refined to correctly rollback prepared transaction (MDEV-28461)

• Circular semisync setup endless event circulation is handled (MDEV-27760)

• Semisync-slave server recovery is extended to work on new server_id server (MDEV-27342)

• Server initialization time gtid_slave_pos purge related reason of crashing in binlog background thread is removed (MDEV-26473)

• Shutdown of the semisync master can't produce inconsistent state anymore (MDEV-11853)

• Binlogs disappear after rsync IST (MDEV-28583)

• master crash is eliminated in compressed semisync replication protocol with packet counting amendment (MDEV-25580)

• OPTIMIZE on a sequence does not cause counterfactual ER_BINLOG_UNSAFE_STATEMENT anymore (MDEV-24617)

• Automatically generated Gtid_log_list_event is made to recognize within replication event group as a formal member (MDEV-28550)

• Replication unsafe INSERT .. ON DUPLICATE KEY UPDATE using two or more unique key values at a time with MIXED format binlogging is corrected (MDEV-28310)

• Replication unsafe INSERT .. ON DUPLICATE KEY UPDATE stops issuing unnecessary "Unsafe statement" with MIXED binlog format (MDEV-21810)

• Incomplete replication event groups are detected to error out by the slave IO thread (MDEV-27697)

• mysqlbinlog --stop-never --raw now flushes the result file to disk after each processed event so the file can be listed with the actual bytes (MDEV-14608)

Backup

• Incorrect binlogs after Galera SST using rsync and mariabackup (MDEV-27524)

• mariabackup does not detect multi-source replication slave (MDEV-21037)

• Useless warning "InnoDB: Allocated tablespace ID for , old maximum was 0" during backup stage (MDEV-27343)

• mariabackup prepare fails for incrementals if a new schema is created after full backup is taken (MDEV-28446) )

Optimizer

• Query performance degradation in newer MariaDB versions when using many tables (MDEV-28073)

• A SEGV in Item_field::used_tables/update_depend_map_for_order... (MDEV-26402)

• ANALYZE FORMAT=JSON fields are incorrect for UNION ALL queries (MDEV-27699)

• Subquery in an UPDATE query uses full scan instead of range (MDEV-22377)

• Assertion `item1->type() == Item::FIELD_ITEM ... (MDEV-19398)

• Server crashes in Expression_cache_tracker::fetch_current_stats (MDEV-28268)

• MariaDB server crash at Item_subselect::init_expr_cache_tracker (MDEV-26164, MDEV-26047)

• Crash with union of my_decimal type in ORDER BY clause (MDEV-25994)

• SIGSEGV in st_join_table::cleanup (MDEV-24560)

• Assertion `!eliminated' failed in Item_subselect::exec (MDEV-28437)

General

• Server error messages are now available in Chinese (MDEV-28227)

• For RHEL/CentOS 7, non x86_64 architectures are no longer supported upstream and so our support will also be dropped with this release

• Packages for Ubuntu 22.04 LTS "Jammy" and Fedora 36 are not yet available pending the resolution of MDEV-28133: Backport OpenSSL-3.0 compatibility to 10.6 branch

• As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 10.6 for Debian 9 "Stretch", Ubuntu 21.10 "Impish", and Fedora 34

Security

• Fixes for the following security vulnerabilities:

  • CVE-2021-46669

  • CVE-2022-27376

  • CVE-2022-27377

  • CVE-2022-27378

  • CVE-2022-27379

  • CVE-2022-27380

  • CVE-2022-27381

  • CVE-2022-27382

  • CVE-2022-27383

  • CVE-2022-27384

  • CVE-2022-27386

  • CVE-2022-27387

  • CVE-2022-27444

  • CVE-2022-27445

  • CVE-2022-27446

  • CVE-2022-27447

  • CVE-2022-27448

  • CVE-2022-27449

  • CVE-2022-27451

  • CVE-2022-27452

  • CVE-2022-27455

  • CVE-2022-27456

  • CVE-2022-27457

  • CVE-2022-27458

  • CVE-2022-32087

  • CVE-2022-32086

  • CVE-2022-32085

  • CVE-2022-32083

  • CVE-2022-32088

Changelog

For a complete list of changes and bugfixes made in MariaDB 10.6.8, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.6.8, see the MariaDB Foundation release announcement.

Be notified of new MariaDB Server releases automatically by subscribing to the MariaDB Foundation community announce 'at' lists.mariadb.org announcement list (this is a low traffic, announce-only list). MariaDB plc customers will be notified for all new releases, security issues and critical bug fixes for all MariaDB plc products thanks to the Notification Services.

MariaDB may already be included in your favorite OS distribution. More information can be found on theDistributions which Include MariaDB page.