This package has Build-Depends on GTK 2 (libgtk2.0-dev), or produces
binary packages with a Depends on GTK 2.

GTK 2 was superseded by GTK 3 in 2011 (see
<https://bugs.debian.org/947713>). It no longer receives any significant
upstream maintenance, and in particular does not get feature development
for new features like UI scaling on high-pixel-density displays (HiDPI)
and native Wayland support. GTK 3 is in maintenance mode and GTK 4 is
approaching release, so it seems like a good time to be thinking about
minimizing the amount of GTK 2 in the archive.

GTK 2 is used by some important productivity applications like GIMP, and
has also historically been a popular UI toolkit for proprietary software
that we can't change, so perhaps removing GTK 2 from Debian will never be
feasible. However, it has reached the point where a dependency on it is
a bug - not a release-critical bug, and not a bug that can necessarily
be fixed quickly, but a piece of technical debt that maintainers should
be aware of.

A porting guide is provided in the GTK 3 documentation:
https://developer.gnome.org/gtk3/stable/migrating.html

Some libraries (for example libgtkspell0) expose GTK as part of their
API/ABI, in which case removing the deprecated dependency requires
breaking API/ABI. For these libraries, in many cases there will already
be a corresponding GTK 3 version (for example libgtkspell3-3-0), in which
case the GTK 2-based library should probably be deprecated or removed
itself. If there is no GTK 3 equivalent, of a GTK 2-based library,
maintainers should talk to the dependent library's upstream developers
about whether the dependent library should break API/ABI and switch
to GTK 3, or whether the dependent library should itself be deprecated
or removed.

A few packages extend GTK 2 by providing plugins (theme engines, input
methods, etc.) or themes, for example ibus and mate-themes. If these
packages deliberately support GTK 2 even though it is deprecated, and
they also support GTK 3, then it is appropriate to mark this mass-filed
bug as wontfix for now. I have tried to exclude these packages from
the mass-bug-filing, but I probably missed some of them.

Regards,
    smcv

We believe that the bug you reported is fixed in the latest version of
gimp-plugin-registry, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 967398@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Ying-Chun Liu (PaulLiu) <paulliu@debian.org> (supplier of updated gimp-plugin-registry package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sun, 27 Sep 2026 02:52:58 +0100
Source: gimp-plugin-registry
Architecture: source
Version: 9.20240809
Distribution: unstable
Urgency: low
Maintainer: Ying-Chun Liu (PaulLiu) <paulliu@debian.org>
Changed-By: Ying-Chun Liu (PaulLiu) <paulliu@debian.org>
Closes: 967398 1043232
Changes:
 gimp-plugin-registry (9.20240809) unstable; urgency=low
 .
   * debian/gbp.conf: enable pristine-tar by default
   * debian/tests/test-gimp-mask-1: porting to gimp-3.0
   * debian/patches: add patch to porting to gimp-3 (Closes: 1043232)
   * debian/rules: only build gimp-mask plugin
   * debian/README.Debian: update gimp version
   * debian/tests/control: disable unused tests
   * debian/control: change depends to gimp-3 (Closes: 967398)
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