1.0 link Rainbow Dash Network http://rainbowdash.net/ Bit Shift (bitshift) http://rainbowdash.net/bitshift http://rainbowdash.net/notice/1327109 @<span class="vcard"><a href="http://rainbowdash.net/user/798" class="url" title="Officer Wiggy Bingo"><span class="fn nickname">redenchilada</span></a></span> Firefox 3.6 released on January 21, 2010. 3.6.x releases have only been minor bug/security fixes, so yes, multiple years old at this point, even if you count from the last major 3.x update. If you count from 3.x itself, it's over 4 years.