gtksourceview3 was superseded in 2018 by gtksourceview4 (a new major
upstream release, but still using GTK 3). There's a porting guide here,
which is mostly "stop using deprecated APIs" plus a few function renames:
https://gnome.pages.gitlab.gnome.org/gtksourceview/gtksourceview5/porting-guide-3-to-4.html

gtksourceview3 is unmaintained and hasn't had an upstream release for more
than 5 years, so it would be great if the remaining gtksourceview3
applications can move to gtksourceview4 before trixie.

gtksourceview4 has itself been superseded by gtksourceview5, which is
for GTK 4 applications. Ideally GTK 3 applications should move to GTK 4,
but that's a larger and more intrusive change. Porting guide:
https://docs.gtk.org/gtk4/migrating-3to4.html,
https://gnome.pages.gitlab.gnome.org/gtksourceview/gtksourceview5/porting-guide-4-to-5.html

Thanks,
    smcv

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für weitere Details.

We believe that the bug you reported is fixed in the latest version of
gnusim8085, 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 1079412@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Bastian Germann <bage@debian.org> (supplier of updated gnusim8085 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: Fri, 16 Oct 2026 01:41:18 +0200
Source: gnusim8085
Architecture: source
Version: 1.4.1-2
Distribution: unstable
Urgency: medium
Maintainer: Debian Electronics Team <pkg-electronics-devel@alioth-lists.debian.net>
Changed-By: Bastian Germann <bage@debian.org>
Closes: 1044220 1079412
Changes:
 gnusim8085 (1.4.1-2) unstable; urgency=medium
 .
   * Team upload
   * [8f144c9] Migrate to gtksourceview-4 (Closes: #1079412)
   * [e0b0621] Clean built doc (Closes: #1044220)
 .
   [ Debian Janitor ]
   * [fc369b4] Remove constraints unnecessary since buster
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 1e0241f4f55ea1c993997618e4e503084a917c23 13952 gnusim8085_1.4.1-2.debian.tar.xz
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Checksums-Sha256:
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