This is a mixed bag of genres, sorry OP. I also don't often research artists because I just care about the music, so I'm not super knowledgeable about them in general
Kim Petras - slutpop (word is that she's trans)
Dirt Poor Robbins - folk?? Eclectic
Tessa Violet - pop
Amelia Day - folk
Elise Trouw - rock, pop
Haim - pop?
Mäneskin - rock. The guitarist?bassist? Is female
Steam-powered Giraffe - steampunk pop? Main is trans
Jaira Burns - pop
Upsahl - angry pop
Caravan Palace - electroswing, pop
Madison Beer - pop
Peach Face
Mitski
Mothica
.... I mean. I could literally go forever.