"Seems that mostly Steamed Workshop missions are affected. Saving seems to work OK when in-game. As soon as you close the game and restart, the resume button goes missing. Looking at the folders the saved files still exist. It seems like the system ignores the saved files."

Same thing for me as well... QUITE annoying.

big problem

That is how it already works... basically

I am constantly trying to rest my weapon in 3... Got so used to it in 2 with ACE that I just instinctively hit the keys for it. This is a MUST.

BTW... if people want this NOW... SEARCH Armaholic.com for stance indicator/hud. There are a couple nice client side mods already made to do this (until one is added, if it is)