Database Migration Service release notes

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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
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 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