Apple updated the software for Xcode development and educational application of Swift Playgrounds.
In Xcode 9.3 Apple promised to fix a number of errors and speed up programs. It also has a built tool for changing the energy consumption of games and applications. Xcode will notify the developers, if their product too much CPU and leads to a rapid battery discharge devices. To install the update need macOS 10.13.2 High Sierra. Earlier versions are no longer supported
Playgrounds in Swift, Apple has added subscriptions to the updates of training programs. Now the app will notify about availability of new lessons. Added support for new robots that can be programmed by users. Also made minor cosmetic changes to the interface of Swift Playgrounds.
Both updated apps are free and available in the Mac App Store and App Store respectively.
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