Changes AWS SSO now supports attaching customer managed policies and a permissions boundary to your permission sets. This release adds new API operations to manage and view the customer managed policies and the permissions boundary for a given permission set.
Changes AWS Single Sign-On now enables attribute-based access control for workforce identities to simplify permissions in AWS
Changes This is an initial release of AWS Single Sign-On (SSO) Access Management APIs. This release adds support for SSO operations which could be used for managing access to AWS accounts.