Prevent components to be placed in mid-layers
It doesn't make sense to have components placed on mid-layers. This should be prevented from the UI.
Stop trace preview from suggesting < 90 degree angles
No EE wants a trace with < 90 degree angle, and almost none want < 135 degree angle. The trace preview gives you the option to route traces < 90 degrees and it feels very unprofessional
User code error pops up every 5 seconds forever. Please make it stop
User code runtime error shows up constantly, and it's really in your face. Can it be turned off or poke the user in a less intrusive way until we feel confident that people want to know this info? I've never once wanted to resolve it.