The macOS check for whether Terminal.app's bell is disabled now validates that defaults export output is actually a plist dict and that the current profile has a settings dict. Malformed plist shapes now log a specific error message such as "defaults export is not a plist dict" instead of throwing.
Apple Terminal bell-setting detection hardened against malformed plist
The Terminal.app bell check now validates the plist shape and logs a specific error instead of throwing.
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Bug FixesKind: in v2.1.257,
Bug FixesSection of the release