"The First Ever"
So? Are we supposed to break a bottle of champagne over it?
There are going to be many such updates: just, this is number one. No big deal.
Mozilla has issued the first ever security update for Firefox 4.0, including a fix for two chunks of code that allowed attackers to override a key security protection baked in to recent versions of the Windows operating system. The slip up in the two WebGLES graphics libraries, which Mozilla added to the latest version of the …
url for release notes:
http://www.mozilla.com/en-US/firefox/4.0.1/releasenotes/
https://bugzilla.mozilla.org/buglist.cgi?quicksearch=ALL%20status2.0%3A.1-fixed
fairly sure in my guessing that their 'update' built in feature of firefox is a fairly robust download manager - yet still there is no effective download manger in ff4.
I am glad to see the bug whereby 'pdfs larger than 5mb not being viewable' is marked as being fixed.