Apple has surprisingly released iOS 12.1.2. However, the update is not available on all devices.
According to the description, the update can be done on iPhone Xs, iPhone Xs Max and iPhone Xr devices. The reason for this is problems with activating the eSim (embedded SIM). In addition, a bug that affected the mobile connection in Turkey has been fixed.
On December 5th, Apple released iOS 12.1.1, among other things. The update included a number of improvements and bug fixes. Apple also expanded the list of participating network operators for the eSim. In addition, notification previews using Haptic Touch were introduced on the iPhone Xr.
The build number of the current version is:
iOS 12.1.2 (16C101)