The language could be clearer, but this is the first sign that Apple is phasing out support for 32-bit apps on macOS. In a future unspecified version of macOS, 32-bit apps will no longer launch. To keep their apps working, developers must update their applications for 64-bit architecture. Software & Apps. What are 32-bit and 64-bit apps, and why do they matter? Posted on October 7th, 2019 by Kirk McElhearn You may have heard recent news about Appleās warning to end users that the company intends to phase-out 32-bit apps running on macOS computers in 2019, with the release of macOS Catalina. Even if your apps are 32-bit in macOS Mojave, the app's developers might have a 64-bit version ready for macOS Catalina, especially if the developer is recognized by Apple. Visit Business Insider. Apple has long made it clear that support for 32-bit apps will be phased out eventually. On the iPhone and iPad side, the final nail in the coffin comes with iOS 11. However, macOS developers have. Oct 15, 2019 OverDrive for Mac and OverDrive MP3 audiobooks are not compatible with the newest macOS version, 10.15 (Catalina), because Apple requires all apps in macOS Catalina or newer to be 64-bit,.
64-bit Requirement for Mac Apps
December 1, 2017
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Macos Check 32 Bit Apps
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. 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 last macOS release to support 32-bit apps without compromise is macOS High Sierra.
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Apple Macos Checking For 64 Bit Apps Windows 10
Learn more about distributing Mac apps.