Not necessarily. If it was a Windows build issue, that code is still hanging around on a Windows branch and may well find its way into production. I think closing the big is therefore premature.

On Mon, Apr 1, 2019, 7:26 PM Eli Zaretskii <eliz@gnu.org> wrote:
> From: Patrick Brennan <pbrennan@gmail.com>
> Date: Mon, 1 Apr 2019 12:32:18 -0700
> Cc: Noam Postavsky <npostavs@gmail.com>, 34688@debbugs.gnu.org
>
> That was my feeling as well - that there were potentially new changes which were released only to the Insider
> Ring (which I'm in), and which break Emacs. Therefore I thought it was a good idea to post the bug now, so
> that if it turns out that this really is Emacs-breaking, you have some lead time to address it. I reverted my last
> update, though, and I believe I have taken at last one build since then, but I haven't seen it come back.

Then I guess what you saw was a one-time issue with that particular
build of Windows, and we can now close this bug?