Ah weird. Did a bit of searching and it looks like maybe it targeted multiple frameworks with the xna API. Including xna itself
https://www.pcgamingwiki.com/wiki/Celeste https://celeste.ink/wiki/Version_history
Several games used to target Monogame for consoles but XNA for PC, and later FNA for PC.
Monogame on PC used to be somewhat buggy in my hobbyist experience.
Several games used to target Monogame for consoles but XNA for PC, and later FNA for PC.
Monogame on PC used to be somewhat buggy in my hobbyist experience.