Getting a bit tired of this pretty sure many have experience this same issue.
I have just recently returned to the game (4 weeks ago)and with the shear amount of bugs and broken content I have encountered very likely soon to be leaving again
This bug I see every day with at least one out of 10 mobs, you attack, you kill and just as the mobs dies it teleports to a different location and lay on the floor and is highlighted (lootable) but when you go to it and click on it the pop up shows saying "You are too far away" even if they are a mob which drops a quest item, it is impossible to loot them , no matter where you stand, it's completely broken, you have to drop quest and start all over again and hope next time you can loot it. seems to happen far more often if you kill them with ranged attacks, but does happen with melee too.
Played this game for just over 2 years in the past and just returned after a 2 year break and ALL the reasons I originally left for which were bugs, broken stuff and appalling server performance are all still there, would have expected many of these to have been fixed by now, To be honest most of the bugs and issues I had forgot about but in 2/3 weeks playing new content they are all coming back and reminding me, even in new content. Quite surprised issues that were real bad 2 years ago are still pretty prominent.