All problems described here only happened on my end. For the other players it looked like a normal game without any bugs.
I was playing objective mode as attacker on Chapel. At the start of the game parts of the EV’s model were missing and I couldn’t interact with it.
After someone else repaired the EV, it didn’t move.
Screenshot: http://i.imgur.com/ouABTnU.jpg
Notice the incomplete EV and also the progress bar in the top left. The EV should have been almost at the goal.
After the EV arrived, the EMP charges just hovered in the air and I couldn’t grab them.
Screenshot: http://i.imgur.com/yeZ4Ij1.jpg
I did see them in the player’s hands after someone had picked them up but as soon as they dropped them, they disappeared again.
Also the bridge that can be lowered by repairing the generator at the end didn’t appear to be lowered after someone had repaired the generator.
All in all it seems to me that objects on the map that can be changed (EV, charges, bridge) weren’t correctly replicated to the client and just remained in their initial position.
This was the first and only time this bug has occured so I don’t know if it appears in different game modes or on different maps.