BrightSign’s HTML5 rendering engine is a constant work-in-progress. The following are known issues that we are working to resolve in future versions of player firmware.
Rotated 4K Output
Displaying an HTML page and rotated video while using a 4K output mode will cause the video to glitch. This is the case even if the video is not part of the HTML page (i.e. it's displayed and rotated using BrightScript).
Localized JavaScript Time
The JavaScript toLocaleTimeString() call does not retrieve localized time formats (i.e. 24-hour vs. 12-hour clock): Instead, the hour/minute clock defaults to 24-hour time on the BrightSign player. The below code provides a workaround in JavaScript if you would like to display time using a 12-hour clock:
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