Yes that is correct. Indeed I created an elaborate workaround. 
If that other behavior is fixed, Win might revise that module one day! (Cc’ed)

On Sat, Dec 4, 2021 at 17:13 Lars Ingebrigtsen <larsi@gnus.org> wrote:
Alan Third <alan@idiocy.org> writes:

> I suspect David wanted to make the frame invisible as a work-around
> for the bug we fixed recently where when the last frame was closed the
> menus and dock icon were visible but failed to respond.

Yes, sounds likely.

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