Blender user interface design

Hello Guys, After some time trying using Blender 2.8 in my daily workflow I found important to discuss with you some important things for the current Informational Architecture, UI - Density and overlapping between the zones, elements of the screen which are quit annoying for me. I have some suggestion, so please if you see it feasible, this will be great to have those change for the overall improvement.

This is the topic for discussion, tell me please what do you think: