Out of interest, what KiCad limitations frustrate you? My main frustration is with pcbnew's (the layout program) apparent inability to store sets of design rul

Out of interest, what KiCad limitations frustrate you? My main frustration is with pcbnew's (the layout program) apparent inability to store sets of design rules, so they need to be set for each run. I've not got any skin in the game as such, but occasionally think about contributing to it - usually after getting irritated by random UI things, but so far it's never quite been enough to dive in and fix anything.