Apple on Thursday released a macOS 10.14.1 “Supplemental Update” for the just-released 2018 MacBook Air.
The macOS Mojave 10.14.1 Supplemental Update improves the stability and reliability of MacBook Air (2018) computers and is recommended for all users.
For detailed information about the security content of this update, please visit: https://support.apple.com/kb/HT201222
The code provides unspecified “stability and reliability” fixes for MacBook Air notebooks running macOS 10.14.1.
The update is available by going to “System Preferences” -> “Software Update” on your 2018 MacBook Air. It can also be download and installed from here.
The update file size weighs in at 1.3 GB.
