Aurora Serverless v1 and Aurora database engine versions
Aurora Serverless v1 is available in certain Amazon Web Services Regions and for specific Aurora MySQL and Aurora PostgreSQL versions only. For the current list of Amazon Web Services Regions that support Aurora Serverless v1 and the specific Aurora MySQL and Aurora PostgreSQL versions available in each Region, see Supported Regions and Aurora DB engines for Aurora Serverless v1.
Aurora Serverless v1 uses its associated Aurora database engine to identify specific supported releases for each database engine supported, as follows:
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Aurora MySQL Serverless
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Aurora PostgreSQL Serverless
When minor releases of the database engines become available for Aurora Serverless v1, they are applied automatically in the various Amazon Web Services Regions where Aurora Serverless v1 is available. In other words, you don't need to upgrade your Aurora Serverless v1 DB cluster to get a new minor release for your cluster's DB engine when it's available for Aurora Serverless v1.
Aurora MySQL Serverless
If you want to use Aurora MySQL-Compatible Edition for your Aurora Serverless v1 DB cluster, you can choose an Aurora MySQL version 2 that's compatible with MySQL 5.7. To learn about enhancements and bug fixes for Aurora MySQL version 2, see Database engine updates for Amazon Aurora MySQL version 2 in the Release Notes for Aurora MySQL.
Aurora PostgreSQL Serverless
If you want to use Aurora PostgreSQL for your Aurora Serverless v1 DB cluster, you can choose among Aurora PostgreSQL 11-compatible and 13-compatible versions. Minor releases for Aurora PostgreSQL-Compatible Edition include only changes that are backward-compatible. Your Aurora Serverless v1 DB cluster is transparently upgraded when an Aurora PostgreSQL minor release becomes available for Aurora Serverless v1 in your Amazon Web Services Region.
For example, the minor version Aurora PostgreSQL 11.16 release was transparently applied to all Aurora Serverless v1 DB clusters running the previous Aurora PostgreSQL version. For more information about the Aurora PostgreSQL version 11.16 update, see PostgreSQL 11.16 in the Release Notes for Aurora PostgreSQL.