---
title: "Cloud DB for MySQL release notes"
slug: "clouddbformysql-release"
updated: 2026-10-08T07:06:45Z
published: 2026-10-08T07:06:45Z
canonical: "guide.ncloud-docs.com/clouddbformysql-release"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cloud DB for MySQL release notes

Available in Classic and VPC

Keep track of changes to the Cloud DB for MySQL user guide. The release notes include:

- New
  - Initial release
- 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:

### September 17, 2026

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added support for MySQL 8.4.11 (available first in the KR region). - Added support for the Start Replica feature in the console. - Replication can be started from the console when replication has stopped. - Added a DB Config item. - innodb_flush_neighbors (MySQL 8.0.25 and later) - temptable_max_mmap (MySQL 8.4 and later) - Expanded the available values for innodb_redo_log_capacity to include 20 GB, 25 GB, and 30 GB (MySQL 8.4 and later). | - [DB Server](/docs/en/database-database-5-2) - [Config Template](/docs/en/clouddbformysql-configtemplate-vpc) |
| Update - Changed | - Improved DB Config unit display. - Displayed values in readable units (for example, GB and MB) instead of showing them only in bytes. | [Config Template](/docs/en/clouddbformysql-configtemplate-vpc) |

### July 23, 2026

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Changed | Expanded recovery server generation selection range during backup recovery (G3 supported). - Backup data can be recovered to G3-generation servers. | [Backup](/docs/en/database-database-5-4) |
| Update - Added | Provided a log file deletion feature when the general log is disabled. | [DB Server](/docs/en/database-database-5-2) |
| Update - Changed | Added log rotation support for the audit plugin. | [DB Server](/docs/en/database-database-5-2) |

### June 25, 2026

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added MySQL 8.4.8. - Provided the latest kernel version (G2 and G3 generations). - OS: Rocky 8.10, Navix 8.10. - Kernel version: 4.18.0-553.124.1.el8_10. - Added the DB metrics. - Undo size (size of the undo file in use). - Provided the manual backup feature. - Enabled snapshot-based backups at any time. (Supported only for G3-generation HA DB services.) | - [DB Server](/docs/en/database-database-5-2) - [Monitoring](/docs/en/database-database-5-3) - [Backup](/docs/en/database-database-5-4) |
| Update - Changed | Enabled caching_sha2_password for the ha_admin account used for HA monitor ↔ agent communication. | [DB Server](/docs/en/database-database-5-2) |
| Update - Fixed | Fixed REVOKE error (1141) for CRUD/READ users when using ACL MODIFY. | [DB Server](/docs/en/database-database-5-2) |

### April 23, 2026

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Released config template feature. - Added MySQL 8.0.45. - Added DB Server setting feature. - Added jemalloc to malloc-lib settings. - Added semi-sync (MySQL 8.4 or higher). - Added user DB Config. - innodb_max_undo_log_size - sql_safe_updates - rpl_semi_sync_source_timeout | - [Config Template](/docs/en/clouddbformysql-configtemplate-vpc) - [DB Server](/docs/en/database-database-5-2) |
| Update - Changed | - Changed minimum digits for DB user ID. - Min. 4 digits → 3 digits. - Improved config template event_history view. | - [Config Template](/docs/en/clouddbformysql-configtemplate-vpc) - [DB Server](/docs/en/database-database-5-2) |

### January 22, 2026

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Released MySQL 8.4 major version (MySQL 8.4.6). - Released MySQL 8.0 → 8.4 major version upgrade feature. - [DB Dashboard] Added new charts. - Connection Percent (%) - Failover Status | - [DB Server](/docs/en/database-database-5-2) - [Monitoring](/docs/en/database-database-5-3) |
| Update - Changed | - Improved the speed of the slow log analysis view. - Restricted point-in-time recovery for Cloud DB for MySQL to times prior to completion or abnormal termination when deleting [Database Migration Service] tasks. | - [DB Server](/docs/en/database-database-5-2) - [Backup](/docs/en/database-database-5-4) |

### November 20, 2025

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added user DB Config. - binlog_transaction_dependency_tracking - performance_schema_digests_size - optimizer_switch option added: skip_scan = off | [DB Server](/docs/en/database-database-5-2) |
| Update - Changed | - Changed the User DB Config default value. - Changed the default value of slave_parallel_type from DATABASE to LOGICAL_CLOCK. - Changed the default value of max_prepared_stmt_count from 1,048,576 to 16,382. - Changed and added service limits to 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_CLOCK`. - When `autocommit = OFF`, `slave_parallel_workers(replica_parallel_workers)` can be configured to `0` only. - Added support for using DB names in reserved word format within `sys.ncp_create_db()` procedures. | [DB Server](/docs/en/database-database-5-2) |

### 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](/docs/en/database-database-5-2) |
| Update - Miscellaneous | Added an integration guide for external monitoring. | [Integrated external monitoring tools](/docs/en/database-database-5-6) |

### July 17, 2025

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | Provided G3 generation (Korea and Japan Regions). | [DB Server](/docs/en/database-database-5-2) |
| Update - Changed | - Restricted certain Target DB features on the day Database Migration Service is used. - Added Slave. - Upgraded OS. - Point-in-time recovery - Changed multi zone configuration. | [DB Server](/docs/en/database-database-5-2) |

### June 19, 2025

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added support for entering DB user IPs in CIDR format. - Added MySQL 8.0.42. - When a replication error or delay occurs, the Standby Master status changes to unknown, and failover is unavailable. | [DB Server](/docs/en/database-database-5-2) |

### May 8, 2025

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added user DB Config. - 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](/docs/en/database-database-5-2) |
| Update - Changed | - Changed the input range for user DB Config. - innodb_log_file_size | [DB Server](/docs/en/database-database-5-2) |

### 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. - Added user DB Config. - 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. | - [Backup](/docs/en/database-database-5-4) - [DB Server](/docs/en/database-database-5-2) |

### 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. - Added user DB Config. - explicit_defaults_for_timestamp - thread_stack - table_open_cache_instances - innodb_max_dirty_pages_pct - innodb_doublewrite - innodb_page_cleaners - innodb_purge_threads | - [Manage operating system](/docs/en/database-database-5-2#%EC%9A%B4%EC%98%81-%EC%B2%B4%EC%A0%9C-%EA%B4%80%EB%A6%AC) - [Backup](/docs/en/database-database-5-4) - [DB Server](/docs/en/database-database-5-2) |
| Update - Changed | - Query timeline page processing. - `disabled_storage_engine ="MEMORY"` | [Monitoring](/docs/en/database-database-5-3) |

### January 16, 2025

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | Added MySQL 8.0.40. | - |
| 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 - Changed | - Changed the default operating system to Rocky 8.10. - Improved DB Config management features. - Improved backup retention period settings. | [DB Server](/docs/en/database-database-5-2) |
| Update - Added | Integrated DB user change history with Cloud Activity Tracer. | [DB Server](/docs/en/database-database-5-2) |
| Update - Deprecated | Discontinued support for data storage encryption. | - |

### July 23, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added user DB Config. - log_output - bulk_insert_buffer_size | [DB Server](/docs/en/database-database-5-2) |
| Update - Miscellaneous | Provided troubleshooting guide. | [Cloud DB for MySQL troubleshooting](/docs/en/clouddbformysql-troubleshoot) |

### June 20, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Enabled expanding the Standby Master details page. - Permission can be selected for system tables when managing DB users. - Added MySQL 8.0.36. - Added a slow log analysis feature. - Added a feature to view query execution history for a specific session. - Added a return protection setting. - Added user DB Config. - innodb_open_files - innodb_thread_concurrency - innodb_io_capacity - optimizer_switch - Added a value for collation_connection. - utf8mb4_unicode_ci - euckr_korean_ci - utf8_general_ci - Added user stored procedures. - ncp_grant_role() - ncp_revoke_role() | [DB Server](/docs/en/database-database-5-2) |
| Update - Changed | - Added the monitoring graph. - Added the InnoDB Buffer Pool graph. | [Monitoring](/docs/en/database-database-5-3) |
| Update - Miscellaneous | Reorganized user guide composition and content. | [Cloud DB for MySQL overview](/docs/en/clouddbformysql-overview) |

### April 25, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added user DB Config. - log_error_suppression_list | [DB Server](/docs/en/database-database-5-2) |

### March 21, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added user DB Config. - password_reuse_interval - password_history | [DB Server](/docs/en/database-database-5-2) |

### January 25, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added MySQL 8.0.34. - Added user DB Config. - default_collation_for_utf8mb4 - collation_connection - innodb_stats_auto_recalc - innodb_stats_include_delete_marked | [DB Server](/docs/en/database-database-5-2) |

### November 23, 2023

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added major version upgrade feature. - Added DB Server setting feature. - Added Malloc-lib change feature. - Added user DB Config. - innodb_buffer_pool_instances - innodb_buffer_pool_chunk_size - max_heap_table_size | [DB Server](/docs/en/database-database-5-2) |

### May 25, 2023

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added MySQL 8.0.32. - Added user DB Config. - internal_tmp_mem_storage_engine | [DB Server](/docs/en/database-database-5-2) |

### April 20, 2023

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Created a new DB service when restoring from a backup file. - Added user DB Config. - 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 | - [Backup](/docs/en/database-database-5-4) - [DB Server](/docs/en/database-database-5-2) |

### February 23, 2023

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added MySQL 5.7.40. - 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](/docs/en/database-database-5-2) |
| Update - Changed | - Added the monitoring graph. - Added the replication status graph (Replication stop status monitoring). | [Monitoring](/docs/en/database-database-5-3) |

### November 22, 2022

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added a feature to send a user notification when Standby Master reconstruction is complete. - Added user DB Config. - performance_schema_max_sql_text_length - performance_schema_consumer_events_waits_current - performance_schema_consumer_events_statements_history_long - Added event history records for user stored procedure calls. - ncp_create_db() - ncp_kill_query() - ncp_kill_session() | [DB Server](/docs/en/database-database-5-2) |

### July 21, 2022

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Kill process feature through stored procedure - kill query - kill session | [DB Server](/docs/en/database-database-5-2) |
| Update - Changed | - Added monitoring graph collection and display items. - innodb_buffer_pool_total - innodb_buffer_pool_used - innodb_buffer_pool_modified | [Monitoring](/docs/en/database-database-5-3) |

### December 21, 2021

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added multi zone specifications. - Added DB Config. - innodb_ft_result_cache_limit - slave_parallel_type - slave_parallel_workers | [DB Server](/docs/en/database-database-5-2) |
| Update - Miscellaneous | Reorganized user guide composition and content. | [Cloud DB for MySQL overview](/docs/en/clouddbformysql-overview) |

## Classic

The following table describes updates to the Classic environment:

### October 17, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Deprecated | Deprecated the Germany Region service. | - |

### July 23, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Miscellaneous | Provided troubleshooting guide. | [Cloud DB for MySQL troubleshooting](/docs/en/clouddbformysql-troubleshoot) |

### June 20, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Miscellaneous | - Reorganized user guide composition and content. - Separated menus by VPC and Classic platform environments. | [Cloud DB for MySQL overview](/docs/en/clouddbformysql-overview) |

### March 21, 2024

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | Added `FLUSH_TABLES` permissions for user accounts on MySQL 8.0.23 and later. | - |

### December 15, 2022

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added a feature to send a user notification when Standby Master reconstruction is complete. - Added user DB Config. - performance_schema_max_sql_text_length - performance_schema_consumer_events_waits_current - performance_schema_consumer_events_statements_history_long - Added event history records for user stored procedure calls. - ncp_create_db() - ncp_kill_query() - ncp_kill_session() | - [DB Server](/docs/en/clouddbformysql-dbserver-classic) - [Event](/docs/en/clouddbformysql-event-classic) |

### August 18, 2022

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Kill process feature through stored procedure - kill query - kill session | - |

### May 26, 2022

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added a feature for changing DB Server name. - Added MySQL 5.7.37. - Added Standby Master reinstallation and replication skip features. - Added user DB Config. - collation_server - connect_timeout - Standalone config: `expire_logs_days`/`binlog_expire_logs_seconds` - (For stand alone) log-bin | [DB Server](/docs/en/clouddbformysql-dbserver-classic) |
| Update - Changed | - Improved query timeline Excel download feature (Download CSV). - Applied DB error message codes and added multilingual support. - Improved the monitoring graph. - Changed the interval settings for each view period. - Added MIN and MAX aggregation metrics. - Added the monitoring graph (added DB dashboard - connection aborted). | [Monitoring](/docs/en/clouddbformysql-monitoring-classic) |

### February 17, 2022

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | Provided an Object Storage upload API. | [DB Server](/docs/en/clouddbformysql-dbserver-classic) |

### December 21, 2021

| Type | Change | Go to page |
| --- | --- | --- |
| Update - Added | - Added DB Config. - innodb_ft_result_cache_limit - slave_parallel_type - slave_parallel_workers | [DB Server](/docs/en/clouddbformysql-dbserver-classic) |
| Update - Miscellaneous | Reorganized user guide composition and content. | [Cloud DB for MySQL overview](/docs/en/clouddbformysql-overview) |