Best posts made by hastings

I am developing a web application and will be using the Push API
to send notifications to users. According to this page: https://www.chromestatus.com/feature/5416033485586432 the Push API should be working in Opera for windows.

I've been trying a demo here to see how it works: https://serviceworke.rs/push-simple_demo.html

When you open the web page you should see a pop up requesting if you allow this page to send you notifications, if you agree and then push the "Try to conquer Italy!" button, a notification window should pop up with a message.

I have tried this demo in Chrome, Mozilla and Vivaldi (Windows), and Opera and Chrome on Android, and it is
working on all these browsers.

But it is not working on Opera (47.0.2631.55) on Windows.
Are anyone else getting it to work or does this browser not support the Push API?

Thanks, but I didn't find anything there. According to http://caniuse.com/#search=push it should work in Opera, anyone knows why it doesn't ?