O macOS High Sierra had won a ?Supplemental Update? a few weeks ago, but has just received its first major update in fact, since the original release on September 25 now for the version 10.13.1 (compilation 17B48).
In addition to improving the security, stability and reliability of Macs, this update features 70 new emojis (including types of food, animals, mystical creatures, clothing options, smileys more expressive, gender neutral characters and others), fixes an error where Bluetooth could be unavailable during Apple Pay transactions, improves the reliability of Microsoft Exchange message synchronization in Mail and fixes an issue where Spotlight did not accept the keyboard input.
Before proceeding with the update, make sure you have your backup up to date preferably using Time Machine, which is the most practical way of all.
Anyone who is running macOS High Sierra 10.13 will receive the update directly via the ?Updates? tab of the Mac App Store.
Update by Priscila Klopper 10/31/2017 s 16:10
Apple today also released for all users the iTunes 12.7.1, which includes ?minor improvements in application and performance?, as well as Xcode 9.1 (build 9B55) for developers.
Version 11.3.1 (7.8 GB) Requires macOS 10.14.4 or superior
Update II 10/31/2017 s 18:48
For those interested, here is the support article with all the security patches for macOS High Sierra 10.13.1 that were also released in the packages Security Update 2017-001 Sierra and Security Update 2017-004 El Capitan for previous versions of macOS.
Apple also posted separate articles for Safari 11.1, iTunes 12.7.1 for Windows and iCloud for Windows 7.1.