I'd recommend everyone to try out cosmic-store (with cosmic-icons) when they get a chance. Whether you use COSMIC or not, it's fully functional with any desktop environment. It's packaged by default in Pop!_OS 22.04, available in Fedora 40 via ryanabx/cosmic-epoch, and the AUR.
Gave it a shot. Definitely a performance increase over Pop!_Shop (and it doesn't drive my Thelio's CPU cooler nearly as hard). I do miss the colorful greeter on the shop with the Pop!_OS branding though. Are there plans to integrate something similar into the COSMIC store, or is its UI largely complete at this point?