One of the most notable updates in this version is the new authentication protocol. It as explained separates the roles of the authentication server and the resource server, making it easier to integrate with widely used standards such as OAuth 2.0 and OpenID Connect. It is stated that the goal is to improve both flexibility and security when managing access to external resources.
I remember needing an organization feature. It's a very common use case for most SaaS applications, but it wasn't available from these providers. So I had to build it from scratch.