The official RAD Studio Roadmap May 2019 has been published at
https://community.idera.com/developer-tools/b/blog/posts/rad-studio-roadmap-may-2019

There is also an extensive and much more detailed commentary blog post, with text by Sarina, David and myself, available at
https://community.idera.com/developer-tools/b/blog/posts/may-2019-rad-studio-roadmap-commentary-from-product-management 

As a related update, you might also want to read about the new policy for registration bumps (which has been partially amended) in the Embarcadero General Manager blog post at https://community.idera.com/developer-tools/b/blog/posts/from-the-gm-new-updates-and-changes-to-the-registration-bumps-policy