I didn't see it anywhere else, but https://github.com/Xe https://github.com/Xe does request: "Please call me (order of preference): Xe/xer, They/them or She/her

I didn't see it anywhere else, but https://github.com/Xe https://github.com/Xe does request: "Please call me (order of preference): Xe/xer, They/them or She/her please."