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How long does Apple support Mac firmware?
How long does Apple continue to provide firmware updates for a model once it has been introduced? Results from 40 different models since 2009.
I’ve matched those against the model introduction and discontinuation dates given in Ian Page’s Mactracker database, and here summarise the results. I therefore compiled data for 40 different model designations of Intel Macs without T2 chips introduced from October 2009 to the present, each of which had apparently passed its final firmware update. There’s an outlier visible at the top right, the iMac19,1, introduced in March 2019, but which appears to have undergone its final update in February 2024, exceptionally early.
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