Apple warns Mac users that 32-bit app support is ending

Apple will start warning Mac users this week that 32-bit app support in macOS is coming to an end. Ars Technica notes that Mac users running macOS 10.13.4 will receive a one-time alert tomorrow that will trigger once a 32-bit app is opened. The alert simply reveals that an app is “not optimized” for a Mac, but the app will continue working for now.
Apple has not yet revealed exactly when it will fully cease supporting 32-bit apps on macOS, but the company has previously warned devel