Apple has announced an extension of its deadline for developers to update their applications in accordance with the latest design guidelines. The deadline to update existing applications on the app store is now June 30, 2020.
The new application standards include a requirement that apps for iPhone or iPad be built on iOS 13 SDK or later. Additionally, these apps are required to use an Xcode storyboard for the applications launch screen. These apps will also be required to support all possible device screen sizes.
Apple Watch applications will now be required to use watchOS 6 SDK or later. Apple is also requiring that many applications that set up user accounts support Sign in with Apple. These apps are specified in guideline 4.8 of the App Store Review Guidelines.
Additional standards are mentioned for Kids apps and apps using HTML 5. Check out the full post for additional details.