Version 0.6.0-11 of affiche is marked for autoremoval from testing on Thu 30 Jun 2022. It depends (transitively) on nvidia-graphics-drivers-tesla-470, affected by #1011146. You should try to prevent the removal by fixing these RC bugs.
Last update: 2022-05-25
Problems while searching for a new upstream version
uscan had problems while searching for a new upstream version:
In debian/watch no matching files for watch line
http://www.collaboration-world.com/cgi-bin/project/release.cgi?pid=5 /cgi-bin/project/download.cgi/Affiche-(.*)\.tar\.gz.* debian uupdate