Apple today released an additional update for macOS Catalina 10.15.4, two weeks after the update for macOS Catalina 10.15.4, with screen time communication restrictions and real-time text for Apple Music.
The macOS Catalina 10.15.4 Supplemental The update can be downloaded free of charge from the Mac App Store using the update function in the system settings app.
The new software introduces a fix that caused Mac computers with MacOS Catalina 10.15.4 to no longer be able to make FaceTime calls with devices running iOS 9.3.6 and earlier or OS X El Capital 10.11. 6 and earlier.
Apple states that it also fixes a problem with Office 365 accounts, fixes a bug that could cause a USB-C port to become unresponsive, and addresses. An issue that caused the 2020 MacBook Air got stuck during the setup wizard or when connecting or disconnecting a 4K or 5K display. The complete release notes for the update can be found below:
The additional update “MacOS Catalina” 10.15.4 improves the stability and security of your Mac.
– Fixed an issue where Mac computers running macOS Catalina 10.15.4 would not be able to participate in FaceTime calls with devices running iOS 9.3.6 and earlier or OS X El Capitan 10.11.6 and earlier
– Resolves an issue where you may get a repeated password prompt for an Office 365 account
– Resolves an issue where "MacBook Air" (Retina, 13-inch, 2020) may hang in the Setup Assistant or when disconnecting and reconnecting an external 4K or 5K display
– Resolves an issue where a USB-C port on your Mac may become unresponsive
macOS Catalina 10.15. 4 could be one of the last updates for the "macOS Catalina" operating system if Apple switches to MacOS 10.16, which has not yet been named.