Is it for everyone or just me that undo basically seems to work only 10% of the time? I do landscape editing, see that it didn't went as I wanted so I hit Ctrl+z and not only do I have to push it lots of times because it doesn't register when I hold the button, but it also only undoes like 20% of the terrain that was changed, not all of it. So I have to reload the game and do it again...
So, does it work for you every time as much as you want or is it the same for you?