New to Fx 3.0a2pre (Gran Paradiso), starting with the December 20th nightlies (Build 20061220XX), is a warning message when you access about:config the first time (or if you don’t uncheck the ‘Show this warning next time.’ box). I guess you could say about:config is to Firefox as the Registry is to Windows. However, while there a lot of Firefox settings that can be changed via about:config, but I can’t really think of anything that would be critical enough to cause Firefox to stop working. Some changes may produce undesirable effects in which case you just go back in to about:config…

Wow! 2006 is almost over and what a year it has been for Firefox with 11 releases over two versions (1.5 & 2.0)! I am in the process of putting together a Firefox Year in Review Blog entry which I plan to have up tomorrow night. Stay tunned…

Your Firefox User Agent or build ID contains a lot of information about your browser as well as your operating system. Here is break down on what is in your User Agent: Mozilla/MozVer (Platform; Security; SubPlatform; Language; rv:Revision[; Extension]*) Gecko/GeckVer [Product/ProdVer] Mozilla/MozVer ~ All Firefox build IDs start with Mozilla/5.0. Simply put this means the browser meets the standards to be Netscape 5 compatible. This was the first Mozilla based (never released) version of Netscape. Platform ~ This is the operating system (but not the version). Possible values include: Windows Macintosh X11 (Linux) Security ~ This is the encryption strength…