During the weekend, Apple announced that, starting June 1, all new watchOS app submissions will have to be native – written with the watchOS 2 SDK.
This, of course, doesn’t enforce existing watchOS 1.0 apps (built with the first SDK) to be updated for watchOS 2, so it’ll be interesting to see how Apple will handle developers who launched a watchOS app last year, saw a muted response, and then ignored watchOS 2 due to a lack of incentives.
In my experience, the performance of watchOS 2 apps has only been marginally better than old watchOS 1.0 ones, and I haven’t heard of developers rushing to support watchOS 2 as a must-rewrite-everything effort. If I had to speculate, perhaps new iPhone apps for iOS 10 or later could only support watchOS 3 – but, again, that wouldn’t solve the issue for watchOS 1.0 apps currently on the App Store. Quite a curious conundrum.