Latest Firefox 12 user agents:

User Agent Platform Device
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.9; rv:12.7) Gecko/20100101 Firefox/12.7.6 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.8; rv:12.6) Gecko/20100101 Firefox/12.6.1 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.7; rv:12.8) Gecko/20100101 Firefox/12.8.4 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.6; rv:12.9) Gecko/20100101 Firefox/12.9.8 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.6; rv:12.3) Gecko/20100101 Firefox/12.3.4 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.6; rv:12.3) Gecko/20100101 Firefox/12.3.3 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.3; rv:12.3) Gecko/20100101 Firefox/12.3.9 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.2; rv:12.2) Gecko/20100101 Firefox/12.2.5 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.2; rv:12.2) Gecko/20100101 Firefox/12.2.3 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.2; rv:12.2) Gecko/20100101 Firefox/12.2.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.9) Gecko/20100101 Firefox/12.9.5 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.9) Gecko/20100101 Firefox/12.9.4 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.9) Gecko/20100101 Firefox/12.9.3 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.8) Gecko/20100101 Firefox/12.8.6 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.7) Gecko/20100101 Firefox/12.7.6 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.7) Gecko/20100101 Firefox/12.7.1 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.6) Gecko/20100101 Firefox/12.6.8 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.6) Gecko/20100101 Firefox/12.6.6 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.6) Gecko/20100101 Firefox/12.6.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5.9; rv:12.5) Gecko/20100101 Firefox/12.5.8 Mac 10 Unknown