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Apple Begins Notifying macOS Users That 32-bit App Support Is Ending

Apple Begins Notifying macOS Users That 32-bit App Support Is Ending

Apple dropped support for 32-bit applications on iOS quite some time ago, but it looks like 32-bit support is also coming to an end on macOS soon.

To see if your Mac's processor is 32-bit or 64-bit, go to the Apple menu and choose About This Mac. At our Worldwide Developers Conference in 2017, Apple informed developers that macOS High Sierra would be the last version of macOS to run 32-bit apps without compromise.

MacOS High Sierra, the latest version of Apple's PC operating system, will be the last version to run 32-bit apps "without compromise", said Apple.

Apple began the transition to 64-bit hardware and software technology for Mac over a decade ago and is working with developers to transition their apps to 64-bit. That the app in question is 32 bits. What Apple hasn't confirmed is when it's going to completely stop supporting 32-bit apps on Mac.

Users on macOS High Sierra 10.13.4 will see a one-time warning when they open apps that run on 32-bit technology.

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Your app will still work after the alert appears; the main objective of the alert is to encourage users to update the app to a current 64-bit version. "To ensure that the apps you purchase are as advanced as the Mac you run them on, all future Mac software will eventually be required to be 64-bit", Apple continued.

With the new alert dialogue in macOS 10.13.4 going live, Apple is now informing customers about the upcoming requirement for 64-bit apps sometime in the future as well.

Navigate to Software/Applications in the left sidebar, then sort the list by "64-Bit (Intel)". If an app shows "No", that means it's 32-bit and needs to be updated. However, it is believed that the 32-bit apps won't work as well as they use to before. Like, the 64-bit architecture enables taking advantage of more memory than its 32-bit counterpart. It will also support universal apps or apps that will work across Mac and iOS devices, according to MacRumors. For the next four years after the A7 chip, the company encouraged developers to move to 64-bit. Make sure future releases of your app are 64-bit compatible by using new diagnostic tools in Xcode 9.3 beta and testing on macOS 10.13.4 beta.

Keep following us to get the next update from Apple on this matter. In case of macOS, the company already stopped accepting similar apps to Mac App Store. First, the Apple desktop OS has been around longer than the iOS.