Apple today updated its four core operating systems (iOS, macOS, watchOS, tvOS) with a wide range of new features for end users. Less clear is how developers will put the new functionalities to use in their own apps. Mention of new APIs and SDKs were largely absent from the keynote.
Google has given developers some relief after some voiced concerns over Android's planned switch to scoped storage. Feedback about Android Q betas opened Google's eyes a bit and the company has put off the required change for an entire year to give app writers more time to adjust.