There’s a rumor that they’re going to wipe all the quests when phase2 drops tomorrow. If this is true, can you link to where you heard it?
No, they wont.
Blizz is perfectly fine with quest stacking as you are limited to 20 quests.
There is no rumor. Someone made a post about that that linked to a rick roll.
Thats why I asked
you may quest-stack. as with every expansion before this.