![]() ![]() #Pro tools mac 7.42 os proMy Mac Pro 8-core (then the top-end Mac), which was sold between April 2007 and January 2008, was last supported by OS X 10.7.5 in September 2012, and those who bought the MacBook Late 2008, which was sold as late as January 2009, suffered the same fate, just over three years after many had bought them brand new. When Apple made the transition to 64-bit, several recent Macs were caught out and orphaned very early. I wrote above that the cut-offs seen in firmware updates at present seem unduly harsh. If you know of any Apple document or recorded statement on these ‘policies’, then I’d really appreciate a link, please. Indeed, the widespread belief that Apple is committed to supporting the last two major releases of macOS with security updates seems an unwritten understanding, not a written policy. I’ve been unable to discover any explicit commitment by Apple in this respect. Several comments make claims about how long Apple is committed to support Macs with current releases of macOS, without citing any written statement which supports that claim. (I am very grateful to Pico for unravelling the firmware updates in 11.4, without which this speculation wouldn’t have been possible.) That seems more brutal than usual, particularly with MacBook Air and Mac mini models, and it’s possible that the next round of firmware updates in macOS 11.5 might redeem some older models. ![]() On that basis, macOS 12 is most likely to be officially supported on the following hardware: The only exception to those is the iMac19,1, with its oddball 1554.120.15.0.0, which is close, but not identical, to the EFI firmware in T2 models. Interestingly, most of those non-T2 models which were updated in 11.4 have standardised on a single firmware version number of 429.120.4.0.0, which is the first time that I have seen such uniformity across models.
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