Hmm, any day now Apple
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Out of all of these, in my opinion, web push is the most important.
It seems as macOS supports these but we are obviously still waiting on iOS and iPadOS:
https://developer.apple.com/safari/features/#html5
Update: this morning at 11am it was approved. Looks like the 2 day promise should be 2 weeks. Totaled 14 days in review.