

# Aurora MySQL database engine updates 2020-03-05 (version 1.20.1) (Deprecated)
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**Version:** 1.20.1

Aurora MySQL 1.20.1 is generally available. Aurora MySQL 1.\$1 versions are compatible with MySQL 5.6 and Aurora MySQL 2.\$1 versions are compatible with MySQL 5.7.

 Currently supported Aurora MySQL releases are 1.14.\$1, 1.15.\$1, 1.16.\$1, 1.17.\$1, 1.18.\$1, 1.19.\$1, 1.20.\$1, 1.21.\$1, 1.22.\$1, 2.01.\$1, 2.02.\$1, 2.03.\$1, 2.04.\$1, 2.05.\$1, 2.06.\$1 and 2.07.\$1. You can restore the snapshot of an Aurora MySQL 1.\$1 database into Aurora MySQL 1.20.1. 

 To create a cluster with an older version of Aurora MySQL, please specify the engine version through the RDS Console, the AWS CLI, or the Amazon RDS API. 

**Note**  
 This version is currently not available in the following regions: AWS GovCloud (US-East) [us-gov-east-1], AWS GovCloud (US-West) [us-gov-west-1]. There will be a separate announcement once it is made available. 

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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 **High priority fixes:** 
+  Fixed an issue of intermittent connection failures after certificate rotation. 
+  Fixed an issue related to connection close concurrency that would result in a failover under heavy workload. 

 **General stability fixes:** 
+  Fixed a crash during execution of a complex query involving multi-table joins and aggregation that uses intermediate tables internally. 