Requested many times already, but no luck… 
https://devtalk.blender.org/t/blender-2-8-user-interface-design/505/1129
https://devtalk.blender.org/t/blender-2-8-user-interface-design/505/1136
https://devtalk.blender.org/t/blender-ui-paper-cuts/2596/2645