官方版本46.0预计在 2016年4月26日 更新
https://zh.wikipedia.org/wiki/Firefox%E7%89%88%E6%9C%AC%E5%8E%86%E5%8F%B2
更新日志
https://www.mozilla.org/en-US/firefox/45.0.1/releasenotes/
fixed：
Fix a potential performance regression (Youtube for example) (1220502)
Fix a regression causing search engine settings to be lost in some
context (1254694)
Bring back non-standard jar: URIs to fix a regression in IBM iNotes
(1255139)
XSLTProcessor.importStylesheet was failing when <import> was used
(1249572)
Fix an issue which could cause the list of search provider to be empty
(1255605)
Fix a regression when using the location bar (1254503)
Fix some loading issues when Accept third-party cookies: was set to Never
(1254856)
changed：
Disabled Graphite font shaping library
官方载点:
http://mozilla.com.tw/firefox/download/?os=win&install=full
另一个载点:
http://download.mozilla.org/?product=firefox-45.0.1&lang=zh-TW&os=win
Mozilla的FTP服务器:
http://ftp.mozilla.org/pub/firefox/releases/
前两个载点似乎都会出现 http://imgur.com/CFGjBr5 您的连线并不安全
还是先用手动更新【说明】->【关于Firefox】 更新
或者利用FTP下载吧!