I use mangowm on the wl-only branch(which is based on wlroots 0.20). It uses a lot less resources, has more layouts and I have fewer problems with it. Although niri seems to have more eye candy. It's definitely worth giving a try. If you want HDR, you have to wait though.

https://github.com/mangowm/mango

Fewer problems such as? For me niri has been rock solid.