The Debian package "python-phabricator" is required by Phabricator/Phorge but does not exist for distros newer than bullseye.
This blocks upgrading Phorge servers.
E: Unable to locate package python-phabricator
[apt1001:~] $ sudo -i reprepro ls python-phabricator python-phabricator | 0.7.0-2~wmf2 | buster-wikimedia | amd64, i386, source
also see: T138689, T142097, T160408, https://phabricator.wikimedia.org/diffusion/ODCH/