[cruise9]

I thought the point of PWA would be ‘free’ compatibility with every OS that can run PWA. Checking for several different APIs and using the appropriate one seems counter to this.

[pjmlp]

The point of PWAs is to offer native like experiences with web technologies if you pay attention to talks done by Chrome/ChromeOS/UWP teams.

Browser specific APIs are a thing since the Web became a platform instead of plain hypertext documents.