Mac transition to Apple silicon

Apple's macOS ARM Transition is the process of computer maker Apple Inc. changing the Central Processing Unit (CPU) of its Macintosh line of desktop and laptop computers from the Intel x86 architecture to the ARM architecture, similar to processors long used in the company's iPhone and iPad product lines. It was reported in the spring of 2020 by multiple publications covering the tech industry — perhaps most notably in an article published by Bloomberg News on April 23 — that the transition would be forthcoming in the very near future, with an official announcement widely expected to be made at Apple's 2020 Worldwide Developers Conference (WWDC), scheduled to begin on June 22.

The transition will mark the Macintosh platform's third migration to a new CPU architecture. The first was the switch from the Motorola 68000 ("68k") series architecture to the PowerPC architecture, which took place in 1994; the second was the transition from PowerPC to Intel x86 CPUs, which was formally announced in June 2005 and officially completed by August 2006.