bug#66245: [PATCH] ; Silence macOS 14 warning

[Stefan Kangas]

Gerd Möllmann <gerd.moellmann@gmail.com> writes:

>> Without this code, are we enabling malicious processes to escape the
>> macOS sandbox, and gain the same privileges as the Emacs process?
>
> Well, not that drastically...  From the release notes of macOS 12 Appkit
> (we're now at 14).
>
> https://developer.apple.com/documentation/macos-release-notes/appkit-release-notes-for-macos-12?changes=lat__5_3
>
> Restorable State
>
>     To enable secure coding for a restorable state, implement
>     applicationSupportsSecureRestorableState(_:). When opted in:
>
>         The system requires classes passed to restorationClass to
>         explicitly conform to NSWindowRestoration.
>
>         ...
>
> I understand that as meaning that this switches on additional checks in
> Appkit.  That should be okay for Emacs because it doesn't use this
> feature of Appkit, at least AFAIK.

Thanks.  IIUC, that seems to speak in favor of not making an emergency
release of Emacs 29.2 at this point.