The Ultimate Guide to High Availability with MariaDB
This is a read-only copy of the MariaDB Knowledgebase generated on 2024-12-25. For the latest, interactive version please visit https://mariadb.com/kb/.

MariaDB 10.9.1 Release Notes

The most recent release of MariaDB 10.9 is:
MariaDB 10.9.8 Stable (GA) Download Now

Download 10.9.1 Release Notes Changelog Overview of 10.9

Release date: 20 May 2022

Do not use non-stable (non-GA) releases in production!

MariaDB 10.9 is a current development series of MariaDB. It is an evolution of MariaDB 10.8 with several entirely new features.

MariaDB 10.9.1 is a Release Candidate (RC) release.

For an overview of MariaDB 10.9 see the What is MariaDB 10.9? page.

Thanks, and enjoy MariaDB!

Notable Items

InnoDB

Replication

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)

Spider

General

Changelog

For a complete list of changes made in MariaDB 10.9.1, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.9.1, see the MariaDB Foundation release announcement.

Do not use non-stable (non-GA) releases in production!

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