Found a weird bug today, and I think I might have puzzled together why it happens...
Certain preps do not have a mouse-over description in the Daily Leaderboard for those players who took fewer than 4 preps.
What seems to be happening is that not taking a specific prep slot "shuts off" the mouse-over for the item that ends up in the slot of that specific prep. Ok, that's a bit weird written like this, so here's a capture:
So. Player #2 in the list did not pick any item for prep slot #2. He did pick items for the other prep slots. When showing his preps, the leaderboard moves up his 3rd prep (elven boots) into column #2; and it moves up his 4th prep (Elite Items) to column #3 (so his column 4 will be empty). Doing the mouse-over, I see proper mouse-over for Quest Items and and Elite Items, but the mouse over is shut off for the boots.
I think that the reason for this is, that not picking anything from prep group #2 shuts off the mouse-over for column #2; however, since the leaderboard pushes up the other preps, i.e. the boots occupy the second column instead of the third, now the mouse-over is shut off for the boots.
Weird, no?
"Thinker", just without the "ache".