Template::Toolkit 3.100 (released on 2022-04-26) has removed Template::Plugin::CGI. It is now distributed as a separate package (https://metacpan.org/pod/Template::Plugin::CGI) It is apparently used in only 2 places: - koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-search.tt - koha-tmpl/intranet-tmpl/prog/en/modules/patroncards/manage.tt Should we stop using it ?