Database Migration Service release notes
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Keep track of changes to the Database Migration Service 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.
June 25, 2026
Type
Change
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Update - Added
Provided post-migration data consistency validation feature. Check table status
Update - Changed
Automatically adjusted myloader options when the source DB contains 5000 or more tables. Improved Test Connection Definer validation by excluding system accounts and schemas.
April 23, 2026
Type
Change
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Update - Added
Added the [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
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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.
Update - Added
When AWS RDS/Aurora is specified as the source, a mysqldump client that accounts for permission restrictions is applied automatically.
July 17, 2025
Type
Change
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Update - Added
Added optional features to select target DB for migration.
-
April 17, 2025
Type
Change
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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
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Update - Changed
Upgraded to mydumper-0.17.2-19.
-
October 17, 2024
Type
Change
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Update - Added
Added detailed task progress information during the Preparing, Completing, and Deleting stages.
Migration Management
Update - Changed
Upgraded to mydumper-0.16.3-6.
Migration Management
July 23, 2024
June 20, 2024
Type
Change
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Update - Added
Introduced mydumper in a multi-threaded backup method.
Migration Management
August 22, 2023
Type
Change
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Update - Changed
Output the details of permission insufficiency notifications during Test Connection. Added a log_slave_updates configuration check during Test Connection. Migration Management
May 25, 2023
Type
Change
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Update - Added
Added MariaDB to MySQL migration feature. Improved collation defense logic during Test Connection. Migration Management
April 20, 2023
Type
Change
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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
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