AWS RDS instances have auto minor version upgrade disabled which may cause RDS instances to miss important updates and bug fixes.
In AWS Console -
In Terraform -
References:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.Upgrading.html#USER_UpgradeDBInstance.Upgrading.AutoMinorVersionUpgrades
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/db_instance#auto_minor_version_upgrade