Can't import from Safari on macOS 11.6 as from the Library, Safari isn't an option and by selecting it after launching Firefox with -migration command will not import anything.
Bug 1679179 Comment 3 Edit History
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Can't import from Safari to 94.0b4 on macOS 11.6 as from the Library, Safari isn't an option and by selecting it after launching Firefox with -migration command will not import anything.