Been using it in production for over 2y, expect a lot of complaint from Linux user. Webkitgtk is really behind in terms of performance, standard support, etc. And it is not on MDN compatibility list so good luck finding what is available. It is to the point where we marked it as experimental for our users and considered switching to electron (we didnt yet).

Also you can expect hard to reproduce bugs on X version of Y OS that are not reproducable anywhere else. It's a PITA to maintain even for people used to the pain of cross browser problems. Just yesterday I got a user on macos 12 reporting not being able to write in some input fields, no error in the console. Now I need to figure out how to have a VM of that macos version with the specific patch for the webview version to match to reproduce, nightmares I tell you.

Otherwise it is decent and we are a rust shop so it makes sense for us. But IMO it is impossible they will gain any market traction in bigger businesses until we have standard webview packaged into the binaries like electron.