Apple's virtual WWDC[1] conference was highlighted by a plan to transition the Mac to Apple processors over time, but much of the groundwork has already been laid with a redesigned Mac OS. There were also updates to iOS, iPad OS, and watchOS to ponder.
Here is everything announced in order of importance.
1. Apple silicon Mac available to developers
The first Mac based on Apple silicon is available to developers[2]. The Developer Transition Kit consists of a Mac Mini packing an A12Z SoC processor with macOS Big Sur. These systems will be gobbled up as developers prep apps for the new world of Mac. Apple's transition plan looks solid[3]. Apple said:
"Apple Developer Program members can start moving their apps to Apple silicon today by applying for the Universal App Quick Start Program. The program provides access to documentation, forums support, beta versions of macOS Big Sur and Xcode 12, and includes the limited use of a DTK, which will enable developers to build and test their Universal 2 apps. The DTK, which must be returned to Apple at the end of the program, consists of a Mac mini with Apple's A12Z Bionic SoC inside and desktop specs, including 16GB of memory, a 512GB SSD, and a variety of Mac I/O ports. Developers can apply to the program at developer.apple.com[4], and the total cost of the program is $500."
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2. Processor transition will take two years
Apple's transition from Intel-based Macs to Apple silicon will take two years -- with product support going longer. Apple had no choice but to offer that support, but buyers will have to consider what processor to bet on. (Hint: Apple chips are the correct answer, but you need to wait