Update your apps to use new features, and test your apps against API changes.
- macOS 10.14.1+Beta
The macOS 10.14.1 SDK provides support for developing apps for Macs running macOS Mojave. The SDK comes bundled with Xcode 10.1 beta from the Apple Developer Program download page. For information on the compatibility requirements for Xcode 10.1, see Xcode 10.1 beta 3 Release Notes.
There are no notes or known issues for this software update.