Our new, not yet released Rust-based desktop environment for Pop!_OS and other Linux distros is filling out with some essential systems that cater the DE to both users and developers alike. Customization is one of our main focuses for COSMIC, and was a huge focus for us in August, too.
Yeah I’m looking at the sample projects and already starting to understand the layout a little better. I might look at relm to experiement with elm like uis.