Ultimate Member User Bookmarks Addon 2.1.6

* Fixed: "Load textdomain just in time" issue

* Tweak: wp-admin scripts refactored
* Fixed: 'um_user_permissions_filter' hook attributes
* Tweak: Using enqueue scripts suffix from UM core class. Dependency from UM core 2.7.0
* Tweak: Enhancements related to WPCS