Console error: [JavaScript Error: "The connection was refused when attempting to contact
wss://api.irccloud.com/websocket/4." {file:
"https://d33go1xh9ghg2t.cloudfront.net/build/2015/app-35e56244.js" line: 10}]
  Category: Web Socket

(all it takes is opening https://www.irccloud.com/ with a valid account, it detects the problem and displays

    Your browser is having trouble using WebSockets. You may notice slower performance 
    and delays as a result. If you’re still having this problem after a page reload, try 
    restarting your browser. 

which doesn't help.)  Firefox and chrome both work fine from the same machine at the same time.

Running the nightly deb, Version: 1.0~~pre-1+git150519+2207-~nightly1 (freshly started) on Debian Jessie/8.1.

Problem went away without update - so while it's still strange (no ipv6 involved, no firewalls) if I
can't reproduce it, no real point in keeping it open.