[jefftk]

> Because (Unpopular): I believe the standard should primarily cover how the overlapping functionality works, and refrain from limiting or prescribing the extent of functionality ... the standard body has just overplayed it’s hand.

But that is how web standards work already? Vendors are not prohibited from adding additional functionality.

[jpttsn]

A lot of comments say Safari is not implementing web standards, by virtue of not implementing e.g. push notifications.

[jefftk]

Those comments are correct: there are many web standards that Safari has either decided not to implement, or has not gotten around to yet. A browser doesn't have to implement a new feature just because it has been standardized.