The Kirin Tor emissary spawned again. I'm not sure Blizzard was quite prepared for that to happen, but things are at least better than the last time. Currently there is one "Like the Wind" and three "Barrels of Fun" quests.
"Like the Wind" now gives you slow fall, which makes the attempts easier (though slower) and less likely to kill you. It's still finicky because it doesn't lock you into position at each objective like a real platformer would, so accumulated horizontal drift can cause you to miss an objective.
"Barrels of Fun" is new. It's a cups-and-balls game with beer barrels. You have to win five rounds, and each win adds a barrel. If you lose, a barrel is removed to make the next round easier, and your win counter isn't decremented. So you could win with three barrels, lose with four, win with three, lose with four, etc. until you win five times, and still finish.
Progress on the emissary quest was not displayed correctly for me, and when I finish all four Kirin Tor world quests I did not have credit for finishing the emissary quest until I relogged. But after a relog I was able to turn it in. (ETA: apparently they redid the "free emissary" workaround, because I was able to just turn in the emissary quest on Wabe without doing any world quests.)