42.0

Beside other bugs this one is mainly the cause:

Firefox can't establish a connection to the server at ws://164.132.109.252:1337/. So something is wrong with WebSocket connection :/

http://imgur.com/OxMEuHw

Yes, it's still reproducible.

Please, see attached image. On tab "Other" there are lot of png's. Music is played.

http://imgur.com/leOrTf3