Don’t say you weren’t warned! Apple has been saying for some time that the days of 32-bit apps in macOS are numbered, as we mentioned in “The Problem With Abandoned Apps” (17 July 2017) and “macOS 10.13.4 Warns Users about 32-Bit Apps” (13 April 2018). Now Apple, in its 2018 State of the Union presentation, has confirmed that macOS 10.14 Mojave will be the last to support 32-bit apps. Read “macOS 10.13.4 Warns Users about 32-Bit Apps” to learn how to identify 32-bit apps on your Mac. If you still depend on some 32-bit apps, you’ll probably be fine for the 15 months until macOS 10.15 is likely to ship, but it’s never too early to start looking for updates or thinking about alternatives.
The new version of macOS marks the end of old 32-bit apps whose software code was never refreshed to support 64-bit CPUs. In June 2018, Apple confirmed the end of 32-bit apps, noting that 10.14 Mojave would be the last operating system to allow them to run (see “macOS 10.14 Mojave Will Be the Last to Support 32-Bit Apps,” 12 June 2018. Mac’s Rants & Raves Episode #295. There has been some confusion about the status of 32-bit apps in macOS 10.14 Mojave, which will be available soon (for free). And, in my (albeit limited) testing, most if not all of the 32-bit apps that worked in High Sierra (10.13) continued to work in macOS Mojave (10.14). The bad news is that will cease working next. MacOS High Sierra is the last macOS release to support 32-bit apps “without compromise” (presumably meaning without performance degradation, and with maximum compatibility), and betas of macOS 10.13.4 are now notifying users if 32-bit apps are being run. This might suggest that 32-bit Mac apps will run through a compatibility mode like. Macos Mojave 32 Bit Apps Finden. Apple has been working with developers to transition their apps, and in 2018 Apple informed them that macOS Mojave would be the last version of macOS to run 32-bit apps. Starting with macOS Catalina, 32-bit apps are no longer compatible with macOS. If you get an alert about a 32-bit app.