There is a small minor change to the way that permissions are calculated. It is now possible to create a sub-admin that can assign roles without access to edit users. See #3080891: Don't require edit permission to assign role for details.
Issue #3080020: Switched CSS management for [Varbase FAQs] from LESS to SCSS with Gulp as the task manager and make use of the (RFS) Responsive Font Size SCSS library, which comes with the Bootstrap 4 library
Issue #3050725 by YousefAnbar: Fixed RTL and LTR icons to work with Vartheme BS4 and Vartheme BS3 at the same time