https://www.mozilla.org/en-US/firefox/44.0.1/releasenotes/
Fix:
Fix issue which could lead to the removal of stored passwords under certain circumstances (1242176)
Allows spaces in cookie names (1244505)
Fix WebSockets when used in a Service Worker context (1243942)
Disable opus/vorbis audio with H.264 (1245696)
Require NSS 3.21 (1244069)
Ship the Gecko SDK (1243740)
Fix for graphics startup crash (GNU/Linux) (1222171)
Fix a crash in cache networking (1244076)
现在update都没什么新奇的感觉了