Hints for polari in main

org.gnome.Polari.desktop ⚙ amd64

asv-description-para-markup-invalid
org.gnome.Polari.appdata.xml:321 - ul
This description paragraph contains invalid markup. Currently, only <em/> and <code/> are permitted.
screenshot-save-error
Unable to store screenshot for 'https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-main.png': Can not store source screenshot: Unrecognized image file format
screenshot-save-error
Unable to store screenshot for 'https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-user-list.png': Can not store source screenshot: Unrecognized image file format
screenshot-save-error
Unable to store screenshot for 'https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-join-dialog.png': Can not store source screenshot: Unrecognized image file format
screenshot-save-error
Unable to store screenshot for 'https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-connection.png': Can not store source screenshot: Unrecognized image file format
screenshot-save-error
Unable to store screenshot for 'https://gitlab.gnome.org/GNOME/polari/raw/master/data/appdata/polari-connection-properties.png': Can not store source screenshot: Unrecognized image file format

asv-url-not-secure
org.gnome.Polari.appdata.xml:256 - http://www.gnome.org/friends/
Consider using a secure (HTTPS) URL for this web link.
asv-nonstandard-gnome-extension
org.gnome.Polari.appdata.xml:308 - kudos
This tag is a GNOME-specific extension to AppStream and not part of the official specification. Do not expect it to work in all implementations and in all software centers.