Those for Intel Macs amount to more than 600 MB, and that for M1 models must also be substantial, and regardless of which model you’re going to update, the download contains a complete set. ![]() Coupled with its policy that only macOS updates can contain firmware updaters, it means that each has to contain a complete set of firmware updates for all supported models. One policy which has led to the inexorable growth in the size of macOS updates is that each is universal: Apple only releases one update, which has to install and update all Macs supported by that version of macOS. So how come it’s necessary to download 2.2-3.1 GB and wait 15 minutes for ‘preparing’ of the update? As of 11.5.1, M1 Macs have now had over 43 GB of macOS updates, and Monterey must still be at least six weeks away.īig Sur 11.5.1, like 11.2.2 before it, is as minimal as updates get, containing a useful payload of no more than a few megabytes at most. The smallest updates to Mojave and Catalina came in at 1 GB, while 11.5.1 was Big Sur’s smallest yet at more than double that size for an Intel Mac, and triple for an M1 model. What’s most striking isn’t their frequency – 11.5.1 is only the tenth update to Big Sur, the same as in Mojave and less than Catalina’s dozen – but their size. On the other hand, you can almost hear the moans about several gigabytes download and yet another hour or more of installation. On the one hand, we’re all delighted that Apple is fixing bugs and, most important of all, closing security vulnerabilities as soon as it becomes aware of them. Some features, applications, and services may not be available in all regions or all languages.Updates to Big Sur have been mixed blessings.
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