I'm talking specifically about these 5 pet battle daily quests:
http://www.wowhead.com/quest=31728
http://www.wowhead.com/quest=31724
http://www.wowhead.com/quest=31725
http://www.wowhead.com/quest=31726
http://www.wowhead.com/quest=31813
Unlike most pet battle daily quests, for some reason these are account bound - ie you can do them on one toon, then log another one and complete them straight out of your quest log and their XP scales with your level. So what I've been doing is I log into a toon with the Elixir on him, complete all 5 quests and log out again until the next day. With the XP boost you get about 0.5-1 level per day this way. I previously got a toon 60-85 like that and I've been doing the same on a new toon.
Worked fine up until today. Now when I log into my toon with the flask and try to complete the quest it says I "don't meet the requirements". Any other toon on my account can complete them regardless of level or faction.
Anyone else experiencing this? Is it a deliberate change targeted at the flask in particular?