CASE PM-49757-19-201483:
Previously, when you disassociate a user from a group and accept the option to disassociate them from all projects, all groups of the selected user were disassociated.
A setting is made in the Administration console (ASMSAdministrator); Now, when you accept the option to disassociate the user from the group, only the user is disassociated from the group in all projects.