In addition to releasing iOS 12.1.1, Apple has also released MacOS Mojave 10.14.2 to the public. The update brings a few new features but is mostly focused on being a bug fix release for the platform. The update is available now and you can get it by going to Settings>Software Update on your Mac.
Like iOS 12.1.1, MacOS Mojave 10.14.2 brings Real-time text support for Wi-Fi calling and resolves an issue that prevented iTunes from playing media on third-party AirPlay speakers. That issue didn’t impact everyone.