where to file bug report?

["Andreas v. Heydwolff" <listmail@sandpsych.at>]

This bug report about the wrongly hard-coded color mask in gwenview
(incidentally wrong only in the proper images, the thumbnails have the
right colors) appeared in the Ubuntu bug track system:

http://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg1848234.html

I have exactly the same problem on Debian with KED 4.3. But wouldn't a
KDE or QT list be a more appropriate place for reporting this than a
distro specific site? Or should I add the same kind of report to the
Debian bugs?

Greetings,
Andreas