This thread is already a bit stale, but please bear with me

The way I read Nova's post, it seems the complaint was that killed mobs vanish before one has a chance to loot them, and indeed that can be an issue sometimes, especially if the mob is big and you need to retarget fast or risk getting eaten. What I do is add a macro for /loot, if you assign a key to it (I have assigned a mouse button) you will be able to loot fast. Assign another key to select next mob and things improve a lot.
As for the teleport issue, I have no workaround, if you are hunting above ground however you can hope to find your target somewhere near if you look at the usual spawning places. I do accept this is frustrating, and ever more so for new players who can't possibly know where their target has moved to - or dare risk patrolling the hunting grounds to find them. All I can say it's the last resort mobs take when their path-finding gets them stuck, which is to teleport back to a starting point. This is a bug needs fixing, but my guess is no one will do any bug fixing on this build anymore, all we can hope for is it will get looked into once the UE port is out.