On 7/18/22 20:53, Po Lu wrote:
> Richard Hansen <rhansen@rhansen.org> writes:
> 
>> If I switch to the GNOME icon theme then the icon sizes are 
>> consistent.
> 
> Then it's a bug in the KDE icon theme, probably with `help-browser'.
> 
>> I've never noticed toolbar icon issues in any other app.
> 
> Emacs uses many icons that most other programs don't even think of, so 
> that's expected.

OK.  I'll dig into the icon theme to see if I can figure out what's going wrong and report the issue to them.

> 
> I suggest placing
> 
>    (setq x-gtk-stock-map nil)
> 
> in your early-init.el file, to make Emacs use built in tool bar icons 
> instead.
> 
> If that works for you, I'll add an entry in etc/PROBLEMS and close this 
> bug.

Yes, that works.  Thank you!