A recent report from Axios claims that Apple is "widely expected" to move their Mac lineup to custom ARM chips in the next few years. The publication cites a Bloomberg report claiming that Apple plans to merge their software stack and app ecosystem across all platforms, though that could theoretically be achieved with ARM ISA emulation on existing x86 processors. However, Axios also said "Although the company has yet to say so publicly, developers and Intel officials have privately told Axios they expect such a move as soon as next year." Thanks to AppleInsider for the tip. If anything, the Bloomberg timeline suggests that Intel might actually have more Mac business in 2020 than some had been expecting. The key question is not the timeline but just how smoothly Apple is able to make the shift. For developers, it will likely mean an awkward period of time supporting new and classic Macs as well as new and old-style Mac apps. History lesson: Apple has already made several big shifts in the 25-year history of the Mac, moving from Motorola chips to PowerPC processors and then to Intel. It's also moved from the classic Macintosh operating system to the Unix-based Mac OS X.