Although gufw works in Ubuntu 19.10 by default, I'm not sure that 19.10 uses wayland like (I've read) 20.04 will. Those who confirm this works, really need to make sure you're logged in using Wayland and not X.
Although gufw works in Ubuntu 19.10 by default, I'm not sure that 19.10 uses wayland like (I've read) 20.04 will. Those who confirm this works, really need to make sure you're logged in using Wayland and not X.