In addition to iOS 13.1.3, Apple also pushed the macOS Catalina supplemental update, which includes installation and reliability enhancements, and is recommended for all users.
– Improves installation reliability of macOS Catalina on Macs with low disk space
– Fixes an issue that prevented Setup Assistant from completing during some installations
– Resolves an issue that prevents accepting iCloud Terms and Conditions when multiple iCloud accounts are logged in
– Improves the reliability of saving Game Center data when playing Apple Arcade games offline