Ctrl+Z (undo) in planning mode

subj
I do press it sometimes, but there is no such great function to undo last step.
Sometime you make wrong copy or cut or even could cut large template and then lose it with RMB

That would be REALLY helpful to have undo and redo in planning mode

This would be incredibly helpful as it is sometimes very difficult to know where the cursor is pointed to on a 3 dimensional map, while being displayed on a 2 dimensional monitor.
It is not so bad on my 30" monitor, but when I play on my laptop, depth and verticality get much more difficult to manipulate and manage.

this is such a big QoL feature, especially when tinkering around in planning mode. Sometimes you're not sure anymore if what you are doing is correct and taking a literal few steps back might give you back that vision you're pursuing

+1.
This kind of functionality is very necessary, because sometimes mistakes happen when working with planning, and in such cases a mechanism for quickly returning to the previous step is needed.