MacOS Catalina build 19H2

macOS Catalina build 19H2 is the official RTM build of macOS Catalina 10.15.7, released on 2020-09-24. It fixes a bug where the system would not automatically connect to Wi-Fi networks, fixed a bug that prevented files syncing through ‌iCloud Drive‌, and fixed a graphics issue that would occur on a ‌iMac‌ (Retina 5K, 27-inch, 2020) with the Radeon Pro 5700 XT graphics card.