The result from the command is
Package: mastodon-ynh-deps
Depends: imagemagick, ffmpeg, libpq-dev, libxml2-dev, libxslt1-dev, file, git-core, g++, libprotobuf-dev, protobuf-compiler, pkg-config, gcc, autoconf, bison, build-essential, libssl-dev, lib
yaml-dev, libreadline6-dev, zlib1g-dev, libncurses5-dev, libffi-dev, libgdbm3 | libgdbm6, libgdbm-dev, redis-tools, redis-server, postgresql, postgresql-contrib, libidn11-dev, libicu-dev, lib
jemalloc-dev, curl, apt-transport-https, libreadline-dev, libsqlite3-dev, libxslt-dev, automake, libtool, yarn
--
Package: mobilizon-ynh-deps
Depends: postgresql, postgresql-client, postgresql-contrib, postgis, postgresql-postgis-scripts, argon2, imagemagick, webp, gifsicle, jpegoptim, optipng, pngquant, file
--
Package: peertube-ynh-deps
Depends: ffmpeg, postgresql, postgresql-contrib, openssl, g++, mailutils, apt-transport-https, yarn
Package: pixelfed-ynh-deps
Depends: postgresql, libgd3, jpegoptim, optipng, pngquant, ffmpeg, imagemagick, supervisor, php7.4-bcmath, php7.4-cli, php7.4-ctype, php7.4-curl, php7.4-exif, php7.4-gd, php7.4-iconv, php7.4-
intl, php7.4-json, php7.4-mbstring, php7.4-redis, php7.4-tokenizer, php7.4-xml, php7.4-zip, php7.4-pdo, php7.4-pgsql, php7.4-fileinfo, php7.4-imagick, php7.4, php7.4-fpm, php7.4-common
This is consistent with both Mastodon, Peertube and Mobilizon not working properly.