Apple today released macOS Catalina 10.15.7, the latest update to the macOS Catalina software. macOS Catalina 10.15.7 fixes several major bugs that Mac users have been experiencing, and it comes a month after the latest macOS Catalina release.
The macOS Catalina 10.15.6 Supplemental Update can be downloaded from the Mac App Store using the Update feature in the System Preferences app.
According to Apple’s release notes, macOS Catalina 10.15.7 addresses an issue where macOS would not automatically connect to WiFi, it fixes a bug that could prevent files from syncing through iCloud Drive, and most notably for new iMac owners, it fixes an issue that was causing a small white flashing line to appear on machines equipped with the Radeon Pro 5700 XT.
Read more at MacRumors.com