Side note, Niri is a fantastic WM. When I saw the Phoronix article on HN talking about the addition of overview mode and more, I finally took the plunge and spent an afternoon converting over from Sway.¹ Anecdotally, I've seen less hangups on Niri around fullscreen games and floating windows, perhaps thanks to X11 running in xwayland-satellite.

1: the hardest part was finding a bar that supported i3status-rs; not a fan of GTK bars that eat up CPU. I settled on i3bar-river.