Yes, that's a dependency of the relm4 crate we're using, I haven't yet figured out if we can disable it. The app doesn't use any libadwaita component though.
Requested here: https://programming.dev/post/320260. Please upvote it in order to become considered as a new community on programming.dev :)
Not yet, but it would indeed be a good idea :) I created a request for a community here: https://programming.dev/post/320260. Not exactly sure if that fits programming.dev, we'll see :)
I'm running River on Void Linux and must admit that I'm really happy with its user experience. The development is quite transparent and the founder/main developer is well known in the Zig community, there's also a talk about creating River by him.
As far as I know, Weston is not really meant for being used on a normal desktop (not really sure anymore).
Wayfire is awesome if you like animations, but it wouldn't be my case personally.
Can't say much about the others unfortunately.