MariaDB 10.4.16 Release Notes

Download 10.4.16 Release Notes Changelog Overview of 10.4

Release date: 3 Nov 2020

MariaDB 10.4 is the previous stable series of MariaDB. It is an evolution of MariaDB 10.3 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.

MariaDB 10.4.16 is a Stable (GA) release.

Thanks, and enjoy MariaDB!

Notable Changes

• Set the default value of innodb_log_optimize_ddl to OFF by default (MDEV-23720)
• BLACKHOLE Storage Engine maximum index size increased from 1000 to 3500 bytes (MDEV-24017)
• Calculating (auto rounding) issue (MDEV-23702)
• Temporary tables can no longer overwrite existing files. Instead an error is returned should a conflict occur (MDEV-23569)
• Binlog checksum verification at recovery time (MDEV-23832)
• Verbose print-out of Geometry types by mysqlbinlog (MDEV-22330)
• SHOW BINLOG EVENTS from <pos> validates <pos> when binlog checksummed (MDEV-21839)
• Freeing memory of replicate_do_table (MDEV-23534)
• Corrected verbose mysqlbinlog output for multi-record Rows-log-event (MDEV-16372)
• SET GLOBAL replicate_do_db = DEFAULT no longer causes crash (MDEV-20744)
• User killed queries that were running an index condition pushdown in InnoDB will now return an error (MDEV-23938)
• Wrong direxec param data caused crash; Numerous fixes about Mac builds (by Dmitri Shulga) (MDEV-19838)
• server_audit plugin now logs proxy users (MDEV-19443)
• Crash on SELECT on a table with indexed virtual columns (MDEV-18366)
• InnoDB updated to 5.7.32 (MDEV-23989)
• Bug fixes related to adaptive hash index (MDEV-23452, MDEV-23370)
• Fixed a bug in the recovery of encrypted tables (MDEV-23456)
• Fixed a race condition in MVCC reads (MDEV-22924)
• ALTER TABLE fixes (MDEV-22277, MDEV-22939, MDEV-23199, MDEV-23356, MDEV-23499, MDEV-23672, MDEV-23685, MDEV-23722)
• Diskspace not reused for BLOB in data file (MDEV-23072)
• InnoDB: Failing assertion: !space->referenced() (MDEV-23651)
• SIGSEGV in maria_create() because of double free (MDEV-23222)
• CREATE TEMPORARY TABLE .. LIKE (system versioned table) returns error if unique index is defined in the table (MDEV-23968)
• Error upon querying the view, that selecting from versioned table with partitions (MDEV-23779)
• CREATE .. SELECT wrong result on join versioned table (MDEV-23799)
• SIGSEGV in check_fields on UPDATE (MDEV-22805)
• Parser fix (MDEV-23094)
• Fixed crash in Innodb when rowid_filter query is killed (MDEV-22761)
• Fixed a crash with the NTH_VALUE function (MDEV-15180)
• Computing certain window functions on a server started with --encrypt-tmp_files=ON could cause a wrong query result or crash (MDEV-23867)
• A query with a certain form of WHERE clause over a table with multiple indexes could pick a less efficient range plan (MDEV-23811)
• Fixed a memory leak for correlated subqueries with ROLLUP (MDEV-17066)

Galera

• Galera wsrep library updated to 26.4.6
• Fixed assertion failure on before_commit (MDEV-22681)
• Fixed assertion after ROLLBACK AND CHAIN (MDEV-22055)
• IPv6 SST handling improved (MDEV-21770, MDEV-23576, MDEV-23580, MDEV-23581, MDEV-23574)
• Fixed SIGSEGV in lock_rec_unlock (MDEV-23101)
• Fixed replication of timezone if only 1 timezone is loaded (MDEV-22626)
• Fixed replication of CREATE OR REPLACE TRIGGER (MDEV-21578)
• Fixed SST FLUSH TABLES WITH READ LOCK timeout (MDEV-22543)

Notes

• As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 10.4 for CentOS/RHEL 6 and Fedora 31
• Packages for Ubuntu 20.10 "Groovy Gorilla" added
• Packages for Debian 10 "buster" arm64 and ppc64el added
• Packages for Debian 9 "stretch" arm64 added

• Fixes for the following security vulnerabilities:
  • CVE-2020-14812
  • CVE-2020-14765
  • CVE-2020-14776
  • CVE-2020-14789
  • CVE-2020-28912 (MDEV-24040)
  • CVE-2021-2194 (MDEV-18366)