Apple recently released macOS update 10.15’s Supplemental Update, and Mathematics IT has tested it and approved it for use.

The macOS Catalina Supplemental Update includes installation and reliability improvements, and is recommended for all users.

This update:
• 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

For detailed information about the security content of this update, please visit: https://support.apple.com/kb/HT201222