Personally, I recommend users to get the latest versions of browser from Mozilla Foundation (now Corporation). The main reason I was not happy was that I was being informed the updates
have been downloaded and were ready to be installed,
twice within a week.
If those messages were to tell me updates were available, I would be fine. Many software do check for updates once a while, but not many software would secretively download updates at background
as default setting.
Let's take Mac OS X's Software Update as an example, there's
Download important updates in the background option, but is definitely not enabled as
default setting.
And in fact, you can even ignore certain updates.
Why am I so annoyed by such stealth update? It could be the thing that I came from a place where internet is expensive, and usually come with download quota. There are also times that I need to allocate the internet bandwidth or quota for some other stuffs, rather than updating a browser. (Yes, I can live without the latest update/patch, and I know I will be fine.)
And I also realise that most people don't bother to go through every single tabs/pages of options in preferences.
I admit that I did not check every single options in Firefox, unlike I would've done on Windows' Control Panel, because I trust
ed Firefox.
UserAgent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.10) Gecko/20050716 Firefox/1.0.6