Download macOS Catalina 10.15.6 Supplemental Update
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
Some features may not be available for all regions, or on all Apple devices. For detailed information about the security content of this update, please visit: https://support.apple.com/en-us/HT201222