Description:
Ensure that RDS database instances have the Auto Minor Version Upgrade flag enabled in order to receive automatically minor engine upgrades during the specified maintenance window. So, RDS instances can get the new features, bug fixes, and security patches for their database engines.
Rationale:
AWS RDS will occasionally deprecate minor engine versions and provide new ones for an upgrade. When the last version number within the release is replaced, the version changed is considered minor. With Auto Minor Version Upgrade feature enabled, the version upgrades will occur automatically during the specified maintenance window so your RDS instances can get the new features, bug fixes, and security patches for their database engines.
From Console:
From Command Line:
aws rds describe-db-instances --region --query 'DBInstances[*].DBInstanceIdentifier'
aws rds modify-db-instance --region --db-instance-identifier --auto-minor-version-upgrade --apply-immediately
aws rds describe-db-instances --region --db-instance-identifier --query 'DBInstances[*].AutoMinorVersionUpgrade'