Didn't play the Alpha, so I don't know how it actually impacts the gameplay. It's obvious though that it makes room for new tactical possibilities, which is good. If anyone experienced several wall jumps scenarios I'd appreciate giving feedback about it.
What I'm curious about is though the scenario when you are hurt quite much and covering behind a wall to gain health again (which happens quite often in BF gameplay) and your opponent jumps on/over the wall then it's easy money for him (I imagine) due to his overview, not like going around the wall and sneak up on carefully if he isn't certain about the conditions. If I remember right there is the possibility to look over the wall as well?
What I'm worried about is that it could be little bit OP. Also I don't know if a player can climb up a wall in any circumstance regarding health? If we look at it from realistic perspective then below 50% health or so he shouldn't be able to jump over the wall, but on the other end if a player could only jump over a wall with certain amount of health it would give the jumping player and additional advantage against the player who is hurt very badly. So how does the balance plays out here is an interesting factor.