Right i have been messing around with the binds today, this is what i got;
Open the console and type in /+activate this will activate the auto thaw function.
Note: it works exactly the same as it used to but you just don't have to press the use key
and you don't pick up unwanted weapons and loose ammo.
This will have the be done every time that you launch the server, but will work till you exit.
But this brings on another issue, when you do run out of ammo you cant pick up another weapon,
Thus i found that if you type in /bind P -activate (P was my choice of key, you can use anything)
This bind will only have to be done ONCE ONLY, once you press that key (P) it will deactivate the
auto thaw function. Now you can pic up weapons using your use key again. To engage the auto thaw
just type in the /+activate again. I find that it works better, you run out of ammo more often by picking up
other weapons.
Hope this helps