Notably, iOS 12.0.1 is now available to all users as an OTA update.
Here are the finer details.
Important bug fixes
ChargeGate and Wi-Fi connectivity issues fixed
With iOS 12.0.1, Apple has fixed the 'ChargeGate' issue, due to which some iPhone Xs, iPhone Xs Max devices did not charge in standby mode when connected to the Lightning cable.
The update also fixed an issue that caused some iPhone Xs devices to join a dual-band Wi-Fi network at 2.4GHz instead of 5GHz even though the new iPhones support the higher frequency.
iOS 12.0.1 also fixed a few other issues
Alongside fixing the above mentioned two issues, Apple has also resolved some other glitches.
As per the official changelog, iOS 12.0.1 update brought the ".?123" key on the iPad keyboard back to its original position, fixed a problem where subtitles did not appear in some video streaming apps, and resolved a bug that caused Bluetooth to become unavailable on some devices.
Here's how to install the iOS 12.0.1 update
iOS 12.0.1 is available to all users as an OTA update. Go to Settings-->General-->Software Update to download and install iOS 12.0.1. Further, if your Automatic Updates are turned on, it would be automatically installed if your device is connected to Wi-Fi and a power source.