MonoGame is trying to evolve XNA in small ways.
For a new project I would pick MonoGame.
I've been happy with monogame when I used it in the past. I'm pretty sure Celeste was made with FNA
https://www.pcgamingwiki.com/wiki/Celeste https://celeste.ink/wiki/Version_history
Monogame on PC used to be somewhat buggy in my hobbyist experience.