When comparing Swayfx vs Weston, the Slant community recommends Weston for most people. In the question“What are the best Wayland compositors?” Weston is ranked 4th while Swayfx is ranked 13th. The most important reason people chose Weston is:
Has a good appearance with borders, buttons as expected of a stacking window manager.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro An improved version of sway
It has shadow and blur which is lacking in sway.
Pro Compatible with sway config
You do not need to change your sway config when you switch. There are few additions to the config to control the new features but the sway config remains usable.
Pro Nice appearance
Has a good appearance with borders, buttons as expected of a stacking window manager.
Pro Headless Mode
Can run in headless mode (useful for tests & automation).
Pro Fast
Pro Absolutely very lightweight
Weston is the lightest Wayland compositor. It runs without lag even on old Core 2 Duo laptops, and the Weston animation also runs fluidly without problem.
Pro Simple
Pro Stable
Cons
Con Nearly impossible to manipulate windows programmatically.
Con Basic, less configurable and less compatible
Outside basic window management, no other fancy features. Outside adding launcher to the bar and changing bar colour, no other customisation is available. Also, it is less compatible with most Wayland applications since most are based on wlroots