Version 1.0.0-1 of xssproxy 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
https://github.com/timakro/xssproxy/releases /timakro/xssproxy/archive/v(\d+\.\d+\.\d+)\.tar\.gz debian uupdate