Eli Zaretskii <eliz@gnu.org> writes:

>> From: Philip Kaludercic <philipk@posteo.net>

[...]

>> I am not familiar with GTK as a developer, but if the toolkit already
>> provides some system to load pre-bundled icons, that sounds like the
>> preferable solution.
>
> Agreed.  Using platform icons is always preferable, at least as the
> default.

I found a few icons that match these new ones.

This is what it looks like now: