I just discovered the 3 buttons on the "IN/Exclusions" tab circled below do not function in the last 2 Beta builds (Todays 15.1.86, and the previous one), possibly longer. I went back to 15.0 and they work as expected. When clicking them in the Beta, nothing happens, no error message if more than one Schema is selected or allowing additional objects to be added if only one schema is selected.
Let me know if you have any questions or cannot reproduce the issue. This may be part of the DB Admin Module, not sure.
Also noticed if you select "Filter Tables/Views/Procs", the text in the Procs section is larver than the defined space: