Seems like the project settings are not stored between sessions anymore after having upgraded from 4.2 to 4.3?
I always have to revert my project Project Settings → Engine Input → Console Key (to the button ‘|’, same as paragraph button on Northern European keyboards). Between sessions now it reverts to ‘None’. It remembers my other saved states from the 4.2 days such as my ‘Interact’ action mapping.
Similarly Quick Settings → Engine Scalability Settings reverts to Medium between sessions (which I changed to one point in time when in 4.2) even though I want it to stay at Epic currently (have a very capable system, Epic runs at *>120fps).
The worst is that when changing the input in the project settings, my packaged and launch builds don’t have these input changes applied.
Maybe it simply could be that there’s a (projectfile) update process when updating versions? I looked around for this when I decided to move from 4.2 to 4.3 but didn’t find anything.