The latest service changes have not yet been reflected in this content. We will update the content as soon as possible. Please refer to the Korean version for information on the latest updates.
Available in Classic and VPC
Keep track of changes to the Cloud DB for MySQL user guide. The release notes include:
- New
- Update
- Added: New features
- Changed: Feature enhancements
- Fixed: Bug fixes
- Deprecated: Feature deprecations or service shutdown
- Miscellaneous: Documentation changes
Read on for detailed descriptions of each release.
VPC
The following table describes updates to the VPC environment:
April 23, 2026
| Type |
Change |
Go to page |
| Update - Added |
- Launched config template feature
- New version of MySQL 8.0.45 added
- DB Server setting feature added
- jemalloc added to malloc-lib settings
- Semi-sync added (MySQL 8.4 or higher)
- User DB Config added
- innodb_max_undo_log_size
- sql_safe_updates
- rpl_semi_sync_source_timeout
|
|
| Update - Changed |
- Changed minimum digits for DB User ID
- Improved config template event_history view
|
|
January 22, 2026
| Type |
Change |
Go to page |
| Update - Added |
- MySQL 8.4 major version released (MySQL 8.4.6)
- MySQL 8.0 -> 8.4 major version upgraded feature released
- [DB Dashboard] New charts added
- Connection Percent(%)
- Failover Status
|
|
| Update - Changed |
- Improved query speed for Slow Log analysis.
- [Database Migration Service] Restricted point-in-time recovery for Cloud DB for MySQL to times prior to completion or abnormal termination when deleting Database Migration Service tasks.
|
|
November 20, 2025
| Type |
Change |
Go to page |
| Update - Added |
- User DB Config added
- binlog_transaction_dependency_tracking
- performance_schema_digests_size
- Addition of optimizer_switch option items: skip_scan = off
|
DB Server |
| Update - Changed |
- User DB config default value changed
- slave_parallel_type Default setting changed (DATABASE -> LOGICAL_CLOCK)
- max_prepared_stmt_count Default setting changed (1048576 -> 16382)
- Changed/added service limits for user DB config
- Changed the replica_preserve_commit_order configuration policy
- Can only be set to
replica_preserve_commit_order = ON
|
|
when replica_parallel_type = LOGICAL_CLOCKWhen autocommit = OFF, slave_parallel_workers(replica_parallel_workers) can be configured to 0 onlyAdded support for using DB names in reserved word format within sys.ncp_create_db() procedures |
DB Server |
|
September 18, 2025
| Type |
Change |
Go to page |
| Update - Added |
- Added rolling specification change feature (G3)
- Enabled automatic registration of time zone data when creating a new cluster
|
DB Server |
| Update - Miscellaneous |
Added an integration guide for external monitoring tools |
External monitoring tool integration |
July 17, 2025
| Type |
Change |
Go to page |
| Update - Added |
- G3 generation released (KR, JP)
|
DB Server |
| Update - Changed |
- Some target DB features are restricted on the day you use Database Migration service
- Add Slave
- OS upgrade
- Point-in-time recovery
- Change Multi Zone configuration
|
DB Server |
June 19, 2025
| Type |
Change |
Go to page |
| Update - Added |
- Added support for entering DB user IPs in CIDR format
- New version of MySQL 8.0.42 added
- When replication errors or delays occur, the Standby Master status changes to Unknown, and failover is not available
|
DB Server |
May 8, 2025
| Type |
Change |
Go to page |
| Update - Added |
- User DB Config added
- innodb_adaptive_flushing_lwm
- innodb_flush_log_at_timeout
- innodb_flush_method
- innodb_io_capacity_max
- innodb_lru_scan_depth
- innodb_max_dirty_pages_pct_lwm
- sync_binlog
- table_definition_cache
- innodb_doublewrite_pages
- temptable_max_mmap
- temptable_max_ram
|
DB Server |
| Update - Changed |
- Changed the input range for user DB config.
|
DB Server |
April 17, 2025
| Type |
Change |
Go to page |
| Update - Added |
- Added support for creating a new DB server using backups stored in Object Storage
- Added support for creating a new service through point-in-time recovery and changing specifications during creation
- User DB Config added
- Added sql_require_primary_key
- Changed the default value of sql_require_primary_key from OFF to ON for versions 8.0.40 and later
|
|
March 20, 2025
| Type |
Change |
Go to page |
| Update - Added |
- Provided operating system management features
- Provided an option to select server specifications when creating a new service from a backup file
- User DB Config added
- explicit_defaults_for_timestamp
- thread_stack
- table_open_cache_instances
- innodb_max_dirty_pages_pct
- innodb_doublewrite
- innodb_page_cleaners
- innodb_purge_threads
|
|
| Update - Changed |
- Query Timeline page processing
- disabled_storage_engine ="MEMORY"
|
Monitoring |
January 16, 2025
| Type |
Change |
Go to page |
| Update - Added |
- New version of MySQL 8.0.40 added
|
- |
| Update - Changed |
- Reduced the default value of innodb_buffer_pool_size for new servers
- Applied tcmalloc as the default allocator when creating new clusters
|
- |
November 21, 2024
| Type |
Change |
Go to page |
| Update - Deprecated |
- Blocked new service creation for MySQL 5.7
|
- |
October 17, 2024
| Type |
Change |
Go to page |
| Update - Added |
- Replaced Base OS (Rocky 8.10)
- Improved DB Config management
- Improved backup retention period settings
- Integrated DB user change history with CAT
|
DB Server |
| Update - Deprecated |
- Disabled data storage encryption feature.
|
- |
July 23, 2024
June 20, 2024
| Type |
Change |
Go to page |
| Update - Added |
- Enabled expanding the Standby Master details interface
- Permission can be selected for system tables when managing DB users
- New version of MySQL 8.0.36 added
- Added a Slow Log analysis feature
- Added a feature to view query execution history for a specific session
- Added a return protection setting
- User DB Config added
- innodb_open_files
- innodb_thread_concurrency
- innodb_io_capacity
- optimizer_switch
- Added values for collation_connection
- utf8mb4_unicode_ci
- euckr_korean_ci
- utf8_general_ci
- Added User Stored Procedures
- ncp_grant_role()
- ncp_revoke_role()
|
DB Server |
| Update - Changed |
- Monitoring graph added
- InnoDB Buffer Pool graph added
|
Monitoring |
| Update - Miscellaneous |
Reorganized user guides composition and content |
Cloud DB for MySQL overview |
April 25, 2024
| Type |
Change |
Go to page |
| Update - Added |
- User DB Config added
- log_error_suppression_list
|
DB Server |
March 21, 2024
| Type |
Change |
Go to page |
| Update - Added |
User DB Config added- password_reuse_interval
- password_history
|
DB Server |
January 25, 2024
| Type |
Change |
Go to page |
| Update - Added |
- New version of MySQL 8.0.34 added
- User DB Config added
- default_collation_for_utf8mb4
- collation_connection
- innodb_stats_auto_recalc
- innodb_stats_include_delete_marked
|
DB Server |
November 23, 2023
| Type |
Change |
Go to page |
| Update - Added |
- Major version upgrade feature
- DB Server setting feature added
- Malloc-lib change feature added
- User DB Config added
- innodb_buffer_pool_instances
- innodb_buffer_pool_chunk_size
- max_heap_table_size
|
DB Server |
May 25, 2023
| Type |
Change |
Go to page |
| Update - Added |
- New version of MySQL 8.0.32 added
- User DB Config added
- internal_tmp_mem_storage_engine
|
DB Server |
April 20, 2023
| Type |
Change |
Go to page |
| Update - Added |
- Creates a new DB service when restoring from a backup file
- User DB Config added
- innodb_buffer_pool_dump_at_shutdown
- innodb_buffer_pool_load_at_startup
- innodb_buffer_pool_dump_pct
- innodb_log_file_size
- innodb_log_files_in_group
- innodb_log_buffer_size
- innodb_print_all_deadlocks
- innodb_online_alter_log_max_size
|
|
February 23, 2023
| Type |
Change |
Go to page |
| Update - Added |
- New version of MySQL 5.7.40 added
- Provided password plugin
- Added password policy configuration feature for DB accounts
- Provided Audit plugin
- Added features to store and view DB access history
|
DB Server |
| Update - Changed |
- Monitoring graph added
- Replication Status graph added (Replication Stop status monitoring)
|
Monitoring |
November 22, 2022
| Type |
Change |
Go to page |
| Update - Added |
- Sends a user notification when Standby Master reconstruction is complete
- User DB Config added
- performance_schema_max_sql_text_length
- performance_schema_consumer_events_waits_current
- performance_schema_consumer_events_statements_history_long
- User stored procedure call history and event history records added
- ncp_create_db()
- ncp_kill_query()
- ncp_kill_session()
|
DB Server |
July 21, 2022
| Type |
Change |
Go to page |
| Update - Added |
- Kill process feature through stored procedure
|
DB Server |
| Update - Changed |
- Collect monitoring graphs and add items to be exposed
- innodb_buffer_pool_total
- innodb_buffer_pool_used
- innodb_buffer_pool_modified
|
Monitoring |
December 21, 2021
| Type |
Change |
Go to page |
| Update - Added |
- Multi zone specifications added
- DB Config added
- innodb_ft_result_cache_limit
- slave_parallel_type
- slave_parallel_workers
|
DB Server |
| Update - Miscellaneous |
Reorganized user guides composition and content |
Cloud DB for MySQL overview |
Classic
The following table describes updates to the Classic environment:
October 17, 2024
| Type |
Change |
Go to page |
| Deprecated |
Germany Region service deprecated |
- |
July 23, 2024
June 20, 2024
| Type |
Change |
Go to page |
| Update - Miscellaneous |
Reorganized user guides composition and content- Separated menus by VPC and Classic platform environments
|
Cloud DB for MySQL overview |
March 21, 2024
| Type |
Change |
Go to page |
| Update - Added |
- Added FLUSH_TABLES authority to user accounts available from MySQL version 8.0.23.
|
- |
December 15, 2022
| Type |
Change |
Go to page |
| Update - Added |
- Sends a user notification when Standby Master reconstruction is complete
- User DB Config added
- performance_schema_max_sql_text_length
- performance_schema_consumer_events_waits_current
- performance_schema_consumer_events_statements_history_long
- User stored procedure call history and event history records added
- ncp_create_db()
- ncp_kill_query()
- ncp_kill_session()
|
DB ServerEvent |
August 18, 2022
| Type |
Change |
Go to page |
| Update - Added |
- Kill process feature through stored procedure
|
- |
May 26, 2022
| Type |
Change |
Go to page |
| Update - Added |
- Feature for changing DB server name
- New version of MySQL 5.7.37 added
- Reinstall Standby Master and Replication Skip features added
- User DB Config added
- collation_server
- connect_timeout
- (for Stand Alone) expire_logs_days / binlog_expire_logs_seconds
- (for Stand Alone) log-bin
|
DB Server |
| Update - Changed |
- Feature when downloading query timeline Excel file (Download CSV) improved
- DB error message code applied and multilingual support
- Monitoring graph improved
- Interval settings for each search period changed
- Aggregation min and max values indicators added
- Added monitoring graph (DB dashboard - connection aborted added).
|
Monitoring |
February 17, 2022
| Type |
Change |
Go to page |
| Update - Added |
Object Storage upload APIs provided. |
DB Server |
December 21, 2021
| Type |
Change |
Go to page |
| Update - Added |
- DB Config added
- innodb_ft_result_cache_limit
- slave_parallel_type
- slave_parallel_workers
|
DB Server |
| Update - Miscellaneous |
Reorganized user guides composition and content |
Cloud DB for MySQL overview |