Hello @larosee, @Chris_Knoll,
I was not on the Atlas topic the last few weeks but I saw your discussion and I also tried the new release 2.2.1.
It seems to solve some issues.
With the security on, I am now able to create new cohorts, update them and delete them.
However, I also have trouble with the Concept Sets. The creation button is enable but when I click on Save for the first time it does nothing except saving an empty concept set. Moreover, I am not able to delete it. The button 'Delete' is disable so does the 'Save' button if I close the Concept Set and try to modify it. I guess it is similar to what experienced larosee.
I checked my user mapping in the database and it seems ok for me. I think I should be able to do these operations.
I also noticed that to update a cohort, 'put' was used whereas 'post' was used to update a concept set. Modifying the 'post' to 'put' in the database allowed me to update and save correctly a concept set but I didn't find a workaround to delete it.