The next major macOS release, 10.14, which the company will announce next summer during WWDC 2018, will be 64-bit only.
macOS High Sierra is the last to support 32-bit appsĪccording to Apple, macOS High Sierra is the last macOS release to support 32-bit apps without compromise. 'As a reminder, new apps submitted to the Mac App Store must support 64-bit starting January 2018, and Mac app updates and existing apps must support 64-bit starting June 2018,' said Apple in today's announcement. The company now informs application developers that they will no longer be able to submit 32-bit apps to the Mac Store Store starting next month, January 1, 2018, as well as that they need to update their existing apps to 64-bit until June 2018. Apple published a new blog post on Friday on its developer website reminding all devs that it will no longer accept 32-bit apps in the Mac App Store starting January 1, 2018.ĭuring the WWDC 2017 conference in June, Apple warned developers that 32-bit apps would go extinct for both iOS 11 and macOS High Sierra operating system, though the latter is still supporting them.