We're excited to announce the release of Curity Identity Server 4.0 March 19, 2019 Read more We're pleased to announce the release of Curity Identity Server 4.0. This release is very rich in features and includes more improvements than any of our previous releases. The biggest, and most exciting new feature is delegated administration. It is now event easier to restrict access to any configuration element in the entire data model. Read on for more.