July 2018
Intermediate to advanced
354 pages
8h 51m
English
If you are not familiar with how Apple announces web API support, they don't. New features quietly ship and are left for developers to discover, at least in most cases.
In a surprise release Apple updated Safari in March 2018 to support service workers:

There are some limitations to Safari service worker support. For now, they do not support native push notifications or background sync. I don't consider these missing features a reason to avoid integrating them in your applications. Remember progressive web apps are about taking advantage of features as they are available. You can still create viable work around ...
Read now
Unlock full access