I'm not a fan of the Clip Studio logo and especially their app icon, so I made my own before, but when I upgraded recently my custom icon got replaced. Just made
CSP Pro Stream Deck for Clip Studio Paint Pro | Stream Deck Profiles V1.0 — sideshowfx
How can I change the size of the icons? - CLIP STUDIO ASK
How to Use Reference Photos with Clip Studio Paint - Adventures with Art