don't know.... but looks like nobody cares.... :-( sad sad sad.... my own Screensaver doesn't work also... WKWebView is dead. Apple Dev is dead... Bug's -> who cares here... sad times S.

hello, want to share how i'll do it in 2023.... sudo codesign --timestamp --options=runtime -s "Developer ID Application: John Doe (XXXXXXXXXX)" -v XX.saver zip the file... xcrun altool --verbose --notarize-app --primary-bundle-id "com.xxxxxx.Xx" --username "xxxatxx.xxx" --password "xxxx-xxxx-xxxx-xxxx" -itc_provider XXX00000 -t osx -f XX.saver.zip check status.... if ok delete the .zip xcrun stapler staple XX.saver zip the file again and you're done... upload and share where you want ...store this as a script in the same folder where you have your screensaver... M.