I am still not sure what to do with the thread view.
1) Shall I keep it as it currently is, in the left bottom pane and don't allow to unfold the threads in the upper view?
2) Or completely remove the thread view from the bottom pane and place it inside unfolded threads in the upper view?
3) You don't care at all.
A combination of above options not possible.
I am currently preparing Usenapp for option 2.
Option 2 will look like this and doesn't has a thread view at the bottom pane:
