Apple has warned about termination of support for older programs

  • Apple has warned about termination of support for older programs

Apple has warned about termination of support for older programs

On the other hand, pressing OK will close the alert box and launch the app normally because the current macOS version still has support for 32-bit apps. Users can dismiss the notification or access a new support document explaining the switch. 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". Like, the 64-bit architecture enables taking advantage of more memory than its 32-bit counterpart. If you distribute your apps outside the Mac App Store, we highly recommend distributing 64-bit binaries to make sure your users can continue to run your apps on future versions of macOS. The warning suggests that the future version of the macOS won't support 32-bit apps, according to Ars Technica.

"The technologies that define today's Mac experience - such as Metal graphics acceleration - work only with 64-bit apps". The alert will appear once per app when a user launches 32-bit software for the first when running the current macOS version. However, when the successor to High Sierra begins rolling out later this year, 32-bit apps will no longer run and eventually, they may even be wiped from the Mac App Store.

Like with iOS, the goal is likely to ultimately not support older 32-bit apps on macOS at all.

"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", says the support page.

From the Apple menu, choose About This Mac, then click the System Report button.

Click on About This Mac. If you do not have version 10.13.4 installed, you will not see the alerts, but they will appear once you update your Mac. One of the items is 64-bit (Intel). If it says No, the app is still 32-bit.

Only a day or two ago, similar notifications were seen by watchOS users, and it seems Apple is on a roll calling developers to improve compatibility of apps.

Open the app in question. It should be on the left-hand side.

In the lower pane, you'll see some information about the app you selected.

By nagging users well in advance, Apple will presumably be hoping that developers will be bombarded with support tickets from users, forcing them to take action sooner rather than later.