When Maya finds out that mc will have to plan the Halloween party with Quinn she is quite shocked, after that moment there are no other explicit references to her. Only a short time before, Quinn was still hunting for footage of the girls' scavenger hunt evidence.
Mc, on the other hand, has absolutely no problem working with her, which is quite peculiar in any case, all the more so if he is in a relationship with Maya or Sage.
And with the entry of Vinnie, Quinn has completely lost the connotation of nemesis, becoming an enemy of an enemy of ours