A lot of people have the same issue and with the number of threads about it certainly is on ZOS to do list for next maintanance. We just have to be patient and leave it to developers to resolve since they know about it for sure. You can lower you graphics settings to make it less noticeble.I've been getting a lot of delay in bar swaps since the new dlc dropped. I now have to bar swap twice to be able to get to the right weapon. It's not lag. It just doesn't respond the way it did last patch