Apple releases a macOS 10.14.3 update, this update has security, stability, and compatibility for macOS. These are minor release with no new features, even the in beta version there are no new features added right now.
This update improves the security, stability, and compatibility of your Mac and includes the following enterprise content: When making a file-sharing connection that uses a valid Kerberos TGT to authenticate, users are no longer prompted to enter credentials.
How to update your macOS to 10.14.3 Go to System Preferences > Software Update to run the update. This minor update is approx 1.97GB and after the update, you need to restart your macOS to complete the update.