New macOS Catalina 10.15.7 update fixes 27-inch iMac graphical corruption issue

An update to macOS Catalina incorporates bug fixes for some users, but perhaps more importantly resolves an issue that manifested in graphical issues on the 27-inch 2020 iMac.Credit: AppleThe graphical issue was reported around August 31, and accounts of issues first started popping up on Apple’s support forums. There was little consistency between trouble reports, and the problem didn’t seem to manifest just during intense workloads, and even appeared when the impacted iMac was idle.Read more…
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