# Aurora MySQL database engine updates 2025-02-17 (version 3.08.1, compatible with MySQL 8.0.39)
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**Version:** 3.08.1

Aurora MySQL 3.08.1 is generally available. Aurora MySQL 3.08 versions are compatible with MySQL 8.0.39. For more information on the community changes that have occurred, see [MySQL 8.0 Release Notes](https://dev.mysql.com/doc/relnotes/mysql/8.0/en/).

For details of the new features in Aurora MySQL version 3, see [Aurora MySQL version 3 compatible with MySQL 8.0](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.MySQL80.html). For differences between Aurora MySQL version 3 and Aurora MySQL version 2, see [Comparison of Aurora MySQL version 2 and Aurora MySQL version 3](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Compare-v2-v3.html). For a comparison of Aurora MySQL version 3 and MySQL 8.0 Community Edition, see [Comparison of Aurora MySQL version 3 and MySQL 8.0 Community Edition](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Compare-80-v3.html) in the *Amazon Aurora User Guide*.

Currently supported Aurora MySQL releases are 2.11.\$1, 2.12.\$1, 3.04.\$1, 3.05.\$1, 3.06.\$1, 3.07.\$1, and 3.08.\$1.

You can perform an in-place upgrade, restore a snapshot, or initiate a managed blue/green upgrade using [Amazon RDS Blue/Green Deployments](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/blue-green-deployments-overview.html) from any currently supported Aurora MySQL version 2 cluster into an Aurora MySQL version 3.08.1 cluster.

For information on planning an upgrade to Aurora MySQL version 3, see [Planning a major version upgrade for an Aurora MySQL cluster](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Updates.MajorVersionUpgrade.html#AuroraMySQL.Upgrading.Planning). For general information about Aurora MySQL upgrades, see [Upgrading Amazon Aurora MySQL DB clusters](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Updates.Upgrading.html) in the *Amazon Aurora User Guide*.

For troubleshooting information, see [Troubleshooting for Aurora MySQL in-place upgrade](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Updates.MajorVersionUpgrade.html#AuroraMySQL.Upgrading.Troubleshooting) in the *Amazon Aurora User Guide*.

If you have any questions or concerns, AWS Support is available on the community forums and through [AWS Support](https://aws.amazon.com/support). For more information, see [Maintaining an Amazon Aurora DB cluster](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/USER_UpgradeDBInstance.Maintenance.html) in the *Amazon Aurora User Guide*.

## Improvements
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**Availability improvements:**
+ Made improvements that reduce the DB instance restart time during database restarts, patch or minor version upgrades, and failovers.

**Upgrades and migrations**
+ Fixed an issue that can cause the failure of Zero Downtime Patching (ZDP) while attempting to restore the roles and grants of dropped users. For more information about the `DROP USER` operation, see [DROP USER Statement](https://dev.mysql.com/doc/refman/8.0/en/drop-user.html) in the MySQL documentation.

## Integration of MySQL Community Edition bug fixes
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This release includes all community bug fixes up to and including 8.0.39, in addition to the following. For more information, see [MySQL bugs fixed by Aurora MySQL 3.x database engine updates](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraMySQLReleaseNotes/AuroraMySQL.Updates.MySQLBugs.html#AuroraMySQL.Updates.MySQLBugs.v3).