I think the biggest motivation behind the UI change is that Blender's old UI was just very non-standard (and not exactly intuitive either). Now it's close to th

I think the biggest motivation behind the UI change is that Blender's old UI was just very non-standard (and not exactly intuitive either). Now it's close to the others, so I'll imagine there won't be any large changes until some massive shakeup (VR becoming common?) happens. A lot of documentation being outdated definitely sucks though.