i.e. unresolved
I mean enabling gpu up-scaling it's not a solution in my opinion (see Highest resolution not showing). Otherwise we could say that every game supports widescreen and 4k resolutions, just because the image can be stretched to fit
Another thing which turn up my nose is the Zombies Leaderboard/Campaign Career Record crash.. Deleting friends or spamming people with friend request to reach 100.. is just awful
Setting Steam offline may be already somewhat more acceptable, still I'm not really sure this could be considered fixed