Apple today released a supplemental update for its macOS Catalina 10.15.6 operating system. The update comes after the original release of macOS Catalina 10.15.6
The macOS Catalina 10.15.6 Supplemental Update can be downloaded for free from the Mac App Store via the Update feature in the System Preferences app on compatible Macs.
Apple says the update fixes a bug that could cause virtualization software, such as Parallels Desktop, to crash. It also resolves an issue where an iMac (Retina 5K, 27-inch, 2020) may appear washed out after waking from sleep.
Apple’s full release notes are below:
macOS Catalina 10.15.6 supplemental update includes bug fixes for your Mac.
– Fixes a stability issue that could occur when running virtualization apps
– Resolves an issue where an iMac (Retina 5K, 27-inch, 2020) may appear washed out after waking from sleep