MacOS Big Sur build 20D64

macOS Big Sur build 20D64 is the official Release Candidate 3 build of macOS Big Sur 11.2, which was released to Apple developers on 2021-01-28.

Fixes

 * Fixed a bug that sometimes caused external displays to show a black screen when connecting a HDMI to DVI converter to an M1 Mac mini.
 * Fixed an issue that resulted in edits to Apple ProRaw files using the Photos to fail to save.
 * Fixed an issue that caused iCloud Drive to turn off after disabling the ‌iCloud Drive‌ Desktop & Documents Folders option.
 * Fixed an issue that sometimes caused System Preferences to not unlock after entering the administrator's password.
 * Fixed an issue that sometimes caused the globe key to not display the emoji & symbols pane when pressed.