firefox 32.0.1 释出 可以自动更新取得
release note
https://www.mozilla.org/en-US/firefox/32.0.1/releasenotes/
32.0.1 - Stability issues for computers with multiple graphics cards
32.0.1 - Mixed content icon may be incorrectly displayed instead of lock icon
for SSL sites
32.0.1 - WebRTC: setRemoteDescription() silently fails if no success callback
is specified