Not getting credit for joining friends in progress game

Many times since the latest patch I have not gotten any credit for any of the match if I join my friends in progress game from Steam. At the end of the match it just dumps me straight to the main page and not giving me any credit for anything I did. This also happens for my friends.

The second bug is that ALL of my guns have the icon that I have a new item no matter if it does or does not.

I've also been shot through MANY walls that I should not have been hit through.

I also get launched into the air if I run by any ladders places by assault but also at random other times where there is no ladder.