# Document history
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The following table describes significant changes to this guide. If you want to be notified about future updates, you can subscribe to an [RSS feed](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-large-mysql-mariadb-databases/migration-large-mysql-mariadb-databases.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [mysqlpump availability](#doc-history) | mysqlpump was removed in MySQL version 8.4. We updated the [mysqldump and mysqlpump](https://docs.aws.amazon.com/en_us/prescriptive-guidance/latest/migration-large-mysql-mariadb-databases/mysqldump-and-mysqlpump.html) section to reflect this availability change. | November 21, 2024 | 
| [MyDumper best practices](#doc-history) | We updated the [best practices](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-large-mysql-mariadb-databases/mydumper.html#best-practices-mydumper) for MyDumper to add information about migrating encrypted database tables. | October 24, 2024 | 
| [Percona XtraBackup versions](#doc-history) | In the [Percona XtraBackup](https://docs.aws.amazon.com/prescriptive-guidance/latest/migration-large-mysql-mariadb-databases/percona-xtrabackup.html) section, we updated the instructions to reflect the versions of Percona XtraBackup supported by Amazon Aurora MySQL and Amazon RDS. | August 3, 2023 | 
| [Initial publication](#doc-history) | — | April 6, 2023 |