Apple has brought more companies to its Business Chat service, which enables users to get customer support from participating firms right in Messages.

macOS 10.13.4 doesn't add any major features for most users, but it includes some welcome new features and fixes for professional users.

Worried about your iPhone battery? iOS 11.3 tells you if you need a replacement. The latest version of iOS also introduces the beta of Business Chat, shows videos in Apple Music, and features improvements to Safari.