Database Migration Service release notes

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 VPC

Keep track of changes to the Database Migration Service 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.

April 23, 2026

Type	Change	Go to page
Update - Added	Added [Skip replication errors] feature during the Replication stage	Migration Management
Update - Changed	Allowed special character ($) in DB passwords when creating an endpoint	Endpoint Management

January 22, 2026

Type	Change	Go to page
Update - Changed	Removed password length and special character restrictions for Source DB in Endpoint Management Restricted point-in-time recovery for Cloud DB for MySQL to times prior to completion or abnormal termination when deleting Database Migration Service tasks When a migration is abnormally terminated and then deleted, the Target DB Standby Master is always reinstalled Improved migration compatibility when the Target DB is Cloud DB for MySQL 8.4	Migration Management Endpoint Management
Update - Added	When AWS RDS/Aurora is specified as the source, a mysqldump client that accounts for permission restrictions is applied automatically	Migration Management Endpoint Management

July 17, 2025

Type	Change	Go to page
Update - Added	Added optional features to select target DB for migration	-

April 17, 2025

Type	Change	Go to page
Update - Changed	Displayed the backup method and the number of threads selected by the user on the console Set the upper thread limit per server specification	-

March 20, 2025

Type	Change	Go to page
Update - Changed	mydumper 0.17.2-19 version upgrade	-

October 17, 2024

Type	Change	Go to page
Update - Added	Added exposure of detailed task progress stages - during preparation, completion, and deletion processes	Migration Management
Update - Changed	mydumper version upgrade - mydumper-0.16.3-6	Migration Management

July 23, 2024

Type	Change	Go to page
Update - Miscellaneous	Provided troubleshooting guide	Database Migration Service troubleshooting

June 20, 2024

Type	Change	Go to page
Update - Added	Introduced mydumper in a multi-threaded backup method	Migration Management

August 22, 2023

Type	Change	Go to page
Update - Changed	Output the details of permission insufficiency notifications when conducting test connection Added config check feature - log_slave_updates when conducting test connection	Migration Management

May 25, 2023

Type	Change	Go to page
Update - Added	Added MariaDB to MySQL migration feature Improved collation defense logic when conducting test connection	Migration Management

April 20, 2023

Type	Change	Go to page
Update - Changed	Improved Test Connection error message notifications Improved migration recovery speed Applied innodb_doublewrite ON/OFF settings Expanded application of innodb_flush_log_at_trx_commit setting	Migration Management

November 22, 2022

Type	Change	Go to page
Update - Miscellaneous	Reorganized user guides composition and content	Database Migration Service overview

Documentation Index