Apple on Tuesday released an update for macOS High Sierra. According to Apple’s release notes, macOS High Sierra 10.13.3 fixes a problem in Messages where your conversation is listed out of order. It also has a fix for an issue that causes your Mac to stop responding when connected to an SMB server.
Version 10.13.3 is available through the Mac App Store; when you launch the App Store app, click on the Updates tab at the top of the app. You can press Command-R or select Store > Reload Page if you don’t see the update. The installation will require you Mac to restart.
