Changes and Improvements in MariaDB 10.6
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MariaDB 10.6 is the current major development version. There are no releases yet. MariaDB 10.5 is stable and feature-complete, so major new features to be developed will be going into 10.6.
InnoDB
- Make InnoDB's COMPRESSED row format read-only by default (MDEV-23497)
- Information Schema SYS_TABLESPACES now directly reflects the filesystem, and SYS_DATAFILES has been removed (MDEV-22343)
Storage Engines
- TokuDB has been removed (MDEV-19780)
- CassandraSE has been removed (MDEV-23024)
Oracle Mode
- Anonymous subqueries in a FROM clause (no AS clause) are permitted in ORACLE mode (MDEV-19162)
General
- ROWNUM function returns the current number of accepted rows in the current context (MDEV-24089)
- Do not resend unchanged resultset metadata for prepared statements (MDEV-19237)
Variables
- For a list of all new variables, see System Variables Added in MariaDB 10.6 and Status Variables Added in MariaDB 10.6.
InnoDB Variables
The following deprecated variables have been removed (MDEV-23397):
- innodb_adaptive_max_sleep_delay
- innodb_background_scrub_data_check_interval
- innodb_background_scrub_data_compressed
- innodb_background_scrub_data_interval
- innodb_background_scrub_data_uncompressed
- innodb_buffer_pool_instances
- innodb_commit_concurrency
- innodb_concurrency_tickets
- innodb_file_format
- innodb_large_prefix
- innodb_log_checksums
- innodb_log_compressed_pages
- innodb_log_files_in_group
- innodb_log_optimize_ddl
- innodb_page_cleaners
- innodb_replication_delay
- innodb_scrub_log
- innodb_scrub_log_speed
- innodb_thread_concurrency
- innodb_thread_sleep_delay
- innodb_undo_logs
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