In recent days Apple has not rested with the updates. That's why Apple's company has just officially released version 10.13.2 of macOS High Sierra. This is the second update received by the macOS High Sierra operating system and is characterized mainly by bringing improvements in security and performance.
If you want to update your computer, what you have to do is go to the Mac App Store, and there you will find the new version available to download it. If it still does not appear, try to check in a couple of hours, because the update is coming gradually to all users who are already running high Sierra macOS.
What's new with High Sierra 10.13.2
According to MacRumors, although no significant external changes were found in macOS High Sierra 10.13.2 during the trial period, this update improves compatibility with third-party USB audio devices, introduces better VoiceOver navigation when viewing PDF documents in Preview, and improve the compatibility of Braille displays with the Mail application.
Recall that with macOS High Sierra 10.13.1, an update that was released about a month ago, not only made a correction of various errors, but also came the new emojis to all compatible Mac computers.