: This major OS release introduced the system-wide Dark Mode and Dynamic Desktop features.
: Addressed various security vulnerabilities and improved overall system performance.
: macOS Mojave (10.14) is notable for being the final version of macOS to support 32-bit applications .
: A follow-up version of 10.14.3 was released shortly after to fix a high-profile Group FaceTime eavesdropping bug that allowed callers to hear audio from the recipient's device before the call was answered. System Context
macOS Mojave 10.14.3 (build ) was a minor system update released on January 22, 2019 , specifically focused on improving the stability, security, and compatibility of Mac computers. Key Features of the Update