Apple sets March 27 deadline for developers to support iPhone XS Max, 2018 iPad Pro
Starting March 27, iPhone, iPad, and Apple Watch developers will be required to use the latest iOS and watchOS SDKs, as well as support Apple's biggest mobile displays in all new apps and updates submitted to the App Store.
screenshots will be required for the App Store.
watchOS developers will need to make use of the watchOS 5.1 SDK or later, and support the Apple Watch Series 4. That accessory has a larger screen than all previous Watch models, extending edge-to-edge and enabling more onscreen complications.
The announcement is significant in that it may force more developers to support Apple's latest hardware if they haven't already updated. At the same time it risks cutting off updates for some apps if developers feel it's not worth the time and resources.
Apple is already on the verge of releasing iOS 12.2 and watchOS 5.2, which should go live by next week in time for second-generation AirPods and Apple's March 25 press event. That gathering should introduce Apple News Magazines subscriptions and a long-anticipated video streaming service.
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