bug#65802: 29.1; Emacs fails to recognise Hyper under Wayland (KDE)

[Eli Zaretskii]

> Cc: 65802@debbugs.gnu.org
> Date: Fri, 08 Sep 2023 13:55:59 +0800
> From:  Po Lu via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Marvin Gülker <post+emacs@guelker.eu> writes:
> 
> > Am Freitag, dem 08. September 2023 schrieb Po Lu:
> >> Marvin Gülker <post+emacs@guelker.eu> writes:
> >>
> >>> Dear developers,
> >>>
> >>> Emacs fails to recognise a Hyper key modifier sent by the Wayland
> >>> compositor.
> >>
> >> Thanks, but GDK doesn't recognize Hyper keys sent by said compositors.
> >> This is not a bug we are capable of fixing.
> >
> > Should this then be forwarded to the GDK bugtracker?
> 
> It's already been reported, I think, but in any case it's improbable
> that the GDK developers are still interested in introducing new features
> to GDK 3.x.

Does this problem happen only in GTK3, and is absent from GTK4?