> SerenityOS has no business running on Linux, but a fork could be pretty neat for 90s GUI lovers.

Take a look at labwc, the look and feel is similar to Openbox and can be made to look retro-like.

Xfce will also come with Wayland support in the next version or so I hear.

I don't get the Sway comment about being barebones, it's a tiling compositor, it does what it should do.