> I'm stumbling onto more pieces as well:
> 
>   The patch from the kdedevs:
> 
>   Bug:  https://bugs.kde.org/show_bug.cgi?id=266319
> 
>   link to patch: https://bugs.kde.org/attachment.cgi?id=57257
>   (attached to message as well)
> 
> This may handle the gwenview problem or provide an excellent
> Go-By to create our own.
> 
>   We will need to see if this applies and if it is
> fixed in TDE as well (png_read_update_info calls
> png_read_start_image) pngloader.cpp.
> 
> https://bugs.kde.org/show_bug.cgi?id=296305

Good find!

Side note: Why every time the libpng people push a Dot Zero release everybody in the entire free/libre software world has to play Keystone Kops to fix their changes?

Darrell