Displaying the current tool number {after T0/T1/T2/...) on the screen would be helpful with MMU2 or other toolchanger.
The number can be displayed inside the nozzle picture.

Slic3r: 1.3.1-dev-54a31ee
OS: Ubuntu 18.04.4

Load STL
Select model.
Right click - Rotate - Around z axis...
Input 90 - press ok
Model moves 90 degrees counter clock wise as expected.
Input 90 - press ok
BUG Model doesn't move.
Input 0 - press ok
Model doesn't move. (As expected for relative rotations, but not absolute.)
Input -90 - press ok
BUG Model rotates 180 degrees.

Around x

I'm absolutly new on this area.
So firat thx to all, you make a great job.

Maybe i will buy a Alfawise U20 Plus and so it is very interessting for me to know if i can use the 'normal' U20 config? Or did i need an adapted or complitly new config.

In the first step, i think i don't buy the BLtouch. But maybe a few weeks/months in the future ;)

Maybe anybody have a config for the U20 Plus? Would y