Apple will soon begin warning Mac users that 32-bit app support with macOS is coming to an end.
Ars Technica says that Mac users running macOS 10.13.4 will receive a one-time alert tomorrow that triggers when a 32-bit app is opened. The message states that the app is “not optimized” for macOS, but will continue working for the time being.
Apple hasn’t confirmed exactly when 32-bit app support is being completely dropped from macOS. The tech giant has, however, told developers in the past that macOS High Sierra is the last version of the company’s operating system that will support 32-bit apps “without some sort of compromise.
Similar to Microsoft and Windows 10, Apple has been slowly transitioning to 64-bit hardware and software over the course of the last decade. Apple has also stopped accepting 32-bit apps in the Mac App Store.
While this shift likely won’t affect most people, if you’re fond of a particularly old Mac app that hasn’t been updated in a few years, that program could soon no longer be optimized for the latest version of Apple’s desktop operating system.
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