Hints for sayonara in universe

com.sayonara-player.Sayonara ⚙ amd64

screenshot-download-error
Error while downloading screenshot from 'https://sayonara-player.com/images/screenshots/Screenshot1.png': SSL peer certificate or SSH remote key was not OK on handle 55D219FFF8F0
This might be a temporary server issue, or the screenshot is no longer available.
screenshot-download-error
Error while downloading screenshot from 'https://sayonara-player.com/images/screenshots/Screenshot2.png': SSL peer certificate or SSH remote key was not OK on handle 55D219FFF8F0
This might be a temporary server issue, or the screenshot is no longer available.
screenshot-download-error
Error while downloading screenshot from 'https://sayonara-player.com/images/screenshots/Screenshot3.png': SSL peer certificate or SSH remote key was not OK on handle 55D21A102420
This might be a temporary server issue, or the screenshot is no longer available.
screenshot-download-error
Error while downloading screenshot from 'https://sayonara-player.com/images/screenshots/Screenshot4.png': SSL peer certificate or SSH remote key was not OK on handle 55D219F125B0
This might be a temporary server issue, or the screenshot is no longer available.

asv-content-rating-missing
sayonara.appdata.xml -
This component has no `content_rating` tag to provide age rating information. You can generate the tag data online by answering a few questions at https://hughsie.github.io/oars/
asv-nonstandard-gnome-extension
sayonara.appdata.xml:38 - 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.
asv-cid-contains-hyphen
sayonara.appdata.xml:4 - com.sayonara-player.Sayonara
The component ID contains a hyphen/minus. Using a hyphen is strongly discouraged, to improve interoperability with other tools such as D-Bus. A good option is to replace any hyphens with underscores (`_`).