Great to see XGen hair, I started teaching XGen alembic cache to UE5 this year and it felt like I was jumping the gun so its great to see it coming into use. I also noticed it in FIFA 23 I Iove this shot :)
those feathers for the cinematic bird are done in maya with xgen... here is a tutorial how it could work... https://www.pluralsight.com/courses/pegasus-xgen-maya-1510