My Ice wizard is level 49, just starting in Dragonspyre, and is a Featherweight for the Daily Assignments. Today she was awarded the quest Read That Right? by Aegon Stats on the Day 12 of her current assignment block.

The prequest listed on the wiki page is The Final Countdown with Lightweight status, which I now see is incorrect.

I would guess that when she finished Mooshu is when the quest reward was added to her Daily Assignment list. I'm not sure what screenshots may be necessary to verify the correct storyline prequest, but I took one of her Chat Box with open Quest Log, showing that she completed the Featherweight quest just now.

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