Sandstorm serves app icons from its static endpoint. It believes the content-type that was specified by the package metadata, and does not perform content-sniffing.
There are some JPEG files that are included in the pkgdef but are described as PNGs. This results in Sandstorm serving the bytes of a JPEG with a Content-Type: image/png.
Most browsers seem to ignore the Content-Type header and sniff the filetype of the content, and wind up showing . However, Microsoft Edge (and possibly IE?) trust that the header the browser sent is accurate, and fail to render the app icon at all.
Sandstorm serves app icons from its static endpoint. It believes the content-type that was specified by the package metadata, and does not perform content-sniffing.
There are some JPEG files that are included in the pkgdef but are described as PNGs. This results in Sandstorm serving the bytes of a JPEG with a
Content-Type: image/png
.Most browsers seem to ignore the Content-Type header and sniff the filetype of the content, and wind up showing . However, Microsoft Edge (and possibly IE?) trust that the header the browser sent is accurate, and fail to render the app icon at all.