Aws\Credentials- In the EcsCredentialProvider, adds support for additional token auth source as well as support/validation for local link addressesAws\RDS- This Amazon RDS release adds support for the multi-tenant configuration. In this configuration, an RDS DB instance can contain multiple tenant databases. In RDS for Oracle, a tenant database is a pluggable database (PDB).Aws\DataExchange- Updated SendDataSetNotificationRequest Comment to be maximum length 4096.Aws\DLM- Added support for pre and post scripts in Amazon Data Lifecycle Manager EBS snapshot lifecycle policies.