I've also been seeing old entries for some packages, for instance, concerning packages of gcc-mingw-w64 source today.
The currently installed version of one of these packages: cventin:~> dpkg -s gcc-mingw-w64-i686 Package: gcc-mingw-w64-i686 Status: install ok installed Priority: optional Section: devel Installed-Size: 256 Maintainer: Stephen Kitt <sk...@debian.org> Architecture: all Source: gcc-mingw-w64 (26.7) Version: 13.3.0-12+26.7 [...] /usr/share/doc/gcc-mingw-w64-i686/changelog.Debian.gz starts with gcc-mingw-w64 (26.7) unstable; urgency=medium [...] -- Stephen Kitt <sk...@debian.org> Sat, 18 Jan 2025 18:54:00 +0100 gcc-mingw-w64 (26.6) unstable; urgency=medium [...] -- Stephen Kitt <sk...@debian.org> Wed, 04 Dec 2024 07:36:40 +0100 gcc-mingw-w64 (26.5) unstable; urgency=medium [...] -- Stephen Kitt <sk...@debian.org> Wed, 23 Oct 2024 13:20:10 +0200 and so on. When upgrading to 26.8, "/usr/bin/apt-listchanges --apt" shows gcc-mingw-w64 (26.8) unstable; urgency=medium [...] -- Stephen Kitt <sk...@debian.org> Fri, 07 Feb 2025 07:51:32 +0100 gcc-mingw-w64 (26.7) unstable; urgency=medium [...] -- Stephen Kitt <sk...@debian.org> Sat, 18 Jan 2025 18:54:00 +0100 gcc-mingw-w64 (26.6) unstable; urgency=medium [...] -- Stephen Kitt <sk...@debian.org> Wed, 04 Dec 2024 07:36:40 +0100 down to the initial release gcc-mingw-w64 (0.1) unstable; urgency=low [...] -- Stephen Kitt <st...@sk2.org> Tue, 16 Nov 2010 12:52:08 +0100 My /etc/apt/listchanges.conf file: [apt] frontend=pager email_address=none confirm=1 save_seen=/var/lib/apt/listchanges which=both no_network=false headers=false reverse=false Just in case, "apt-listchanges --dump-seen --profile=apt" gives information only for packages upgraded earlier today: packages: apt 1739185510 (2025-02-10) apt-doc 1739185510 (2025-02-10) apt-utils 1739185510 (2025-02-10) libapt-pkg6.0t64 1739185510 (2025-02-10) linux-compiler-gcc-12-x86 1739185412 (2025-02-10) linux-doc-6.1 1739185413 (2025-02-10) linux-kbuild-6.1 1739185414 (2025-02-10) exact checksums: [...] (all for 2025-02-10) -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / Pascaline project (LIP, ENS-Lyon)