bug#46990: 28.0.50; popup menu not navigable via arrow keys on lucid build

[Lars Ingebrigtsen]

Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs@gnu.org> writes:

> I thought that was fixed a while ago.  It works for me here on both core
> input and XInput 2, so I don't know what could be going on.
>
> Do you have anything set up that could be overriding the following
> translations?

I can reproduce the problem, too, so I can check.  But override where?
In Gnome Shell?

Using the keyboard works fine in temacs, but not in the dumped Emacs.
Could this also be related to X resources, like the background colour of
the menu bar?  I don't seem to have any keyboard-related things in my X
resources.

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