Apple today released macOS Mojave 10.14.3, the third update to the macOS Mojave operating system that first launched in September. macOS 10.14.3 comes six weeks after the launch of macOS Mojave 10.14.2, a bug fix update.
macOS Mojave 10.14.3 can be downloaded by going to the “Software Update” section of System Preferences, a new installation method that was introduced with the Mojave update.
macOS Mojave 10.14.3 brings performance improvements and bug fixes for issues discovered since the launch of macOS 10.14.2. During the beta testing period, we didn’t find any major feature changes. According to Apple’s release notes, the update improves the security, stability and compatibility of your Mac and is recommended for all users.
Read more at MacRumors.com