Almond, Quartz, and Finch by Lisa Bunker (MG)
The Evolving Truth of Ever-Stronger Will by Maya MacGregor (YA)
The Heartbreak Bakery by A.R. Capetta (YA)
When the Angels Left the Old Country by Sacha Lamb (YA)
Moon Dark Smile by Tessa Gratton (YA)

Bonus, coming in 2025, All the Stars in the Daylight Sky by Maya MacGregor (YA)
Double Bonus: For more agender rep in YA, check out Man O’ War by Cory McCarthy, which has an agender LI, and “Some Other Metal” by A.R. Capetta and Cory McCarthy in That Way Madness Lies