• Improves compatibility with certain third-party USB audio devices
• Improves VoiceOver navigation when viewing PDF documents in Preview
• Improves compatibility of Braille displays with Mail
For more information on the security content of Apple software updates, please visit this website: https://support.apple.com/en-us/HT201222
This update is recommended for all Macs running macOS High Sierra 10.13.1. For all other systems running macOS High Sierra, please install 10.13.2 via Mac App Store Software Updates.