Will write a blog post about it. In the mean time you could check out the last commits on this branch: https://github.com/phartenfeller/sveltekit-1.0-sqlite-demo-app/tree/tut-19-web-push-notifications or get the fundamental steps from MDN: https://developer.mozilla.org/en-US/docs/Web/Progressive_web_apps/Tutorials/js13kGames/Re-engageable_Notifications_Push

Kind of horrible timing, as Apple will disable PWAs in the next iOS update for the EU. Kind of crazy, but I guess they will get punished for this behavior. So let’s hope this will be reverted soon…