Kill Quest stopped at 12/15

It stopped after i played a game vs a Player with no name.
The Place where a name should stand was empty

My quest of "Cast 30 red or blue spells." is stuck at exactly 29/30. I tried rebooting the client and switching decks; neither helped.
If only my opponent had let me cast that final Shock in the game that brought me to 29...

I also had a similar issue. I thought it was weird that one of my two cast n white or black spell quests started to outpace the other, when they both started at zero. Then one game it didn't track them at all so I restarted Arena. It once again only tracked progress on one of my three quests.

same here

Another Red spells cast quest not updating. Out of three games it only progressed for one of them

Same with me as well

My 3 quest's stopped progressing aswell

Same issue--cast 20 White or Red, and cast 30 White or Red. Been playing Cavalcade all morning, stuck at 18/20 and 28/30.

Same here.

Same thing happened to me. Can't complete my 'play 25 lands' quest.

Same here. I played mono green and I'm stuck at 29 casted spells.

Quests Involving casting red spells do not progress after several games played. They are stuck at 18/20 and 27/30. They progressed as normal to that point. Also for some reason the tutorial fairy re-appeared.

I have same issue, Cast 30 blue or white spells stuck on 26/30

I have same issue, 3 daily quests stop at 10/15, 19/20, 15/20.

I'm also stuck, at 19/20 on a "Cast 20 blue or black spells" quest.

Had play lands, stuck at 27 of 30, had blue or white spell, stuck at 25 of 30

2 quests involving red spells. not getting credit for spells cast the last few games.

Same issue.
Play red or blue spell.Progress is stucked at 19/20.

Apparently they disabled quests at 7AM EDT, which is why it stopped working for us. Would be nice if they'd actually post that somewhere in the menu screen, but there you go.

Same here: Play 20 red or green speel. It first froze at 16/20 after I played mono red. Then I restarted the game, played simic and now I'm stuck at 19/20...