For the original poster (OP) to fill in:
The xibo player uses an old browser engine, which is officially outdated (see https://answers.microsoft.com/en-us/ie/forum/all/internet-explorer-is-it-being-phased-out/eadfd8a8-4c0b-4058-af0f-914159214868). Therefore many webpages can´t be displayed partly or fully - this board is full of reports.
It would be mandatory to switch to a open source / current web rendering solution.
Example open source html renderer: https://developer.mozilla.org/en-US/docs/Mozilla/Gecko
I´m trying to display a simple icinga2 dashboard, which can´t be displayed with Internet Explorer because Windows with IE and Edge is not supported since SSE (Server Sent Events) are not implemented (see https://github.com/dnsmichi/dashing-icinga2/issues/47#issuecomment-374166481).
For the dev team to fill in:
The current status and the username of the:
A broad description of the changes required.
Which parts of Xibo are effected
DB Schema Changes
Any necessary DB Schema Changes