Was working on an export sheet today and during testing on Big Sur, I noticed that the button that would bring up the save panel would produce a beachball for a while, and then I’d get an error dialog telling me that the panel crashed. I changed the
NSSavePanel.allowedFileTypes property to
["public.csv"] during this update, and that trips up the save panel on Big Sur. Note that
["csv"] works just fine.
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