Singing the praises of third-party developers who gave up their summer to work on their products to ensure they let us upgrade to Big Sur.
Hazel
Sometimes you don’t know of a silent update until an app misbehaves or crashes. One day, the innocent-looking plist tucked away in a LaunchAgents folder could be malicious.
My screenshots are now tagged with metadata supporting Spotlight search, and Hazel uses that to sort them into folders automatically.
A quick tour through Folder Actions (AppleScript), Hazel (System Preferences pane, commercial), and fswatch and their potential uses.
The Eclectic Light Company 