Changes since 6.7.3:
General:
Fixed a bug where thumbnails wouldn't always be generated when MediaInfo isn't used or available
Fixed regression in folder thumbnails on non-Windows platforms
Fixed a crash when the web interface's port is occupied, and do not fail restarting the server, if the server hasn't created yet (thanks, Zsombor Gegesy!)
Fixed many general bugs
Renderers:
Added support for HE-AAC audio in MKV and MP4 files on LG BP550
Improved detection and file support for LG WebOS TVs