This is the weird thing. I have all the bindings saving into the Default Input Settings, not my save game. I think what it comes down to is after you package your game, some stuff gets left over from the last build in the DefaultInput.ini. If you can create a new, fresh DefaultInput.ini, then all the keybindings should work as intended. Now this is just me guessing, but when I delete my save game, for some reason it also deletes the DefaultInput.ini, then recreates it once the level restarts. Id try it, in theory it sounds like the save game and DefaultInput.ini aren’t connected, but its how I got it to work so its worth a shot.