MariaDB 10.6.8 Release Notes

Download 10.6.8 Release Notes Changelog Overview 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.

Thanks, and enjoy MariaDB!

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 <id> for <tablename>, 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.