Latest Firefox 140 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows NT 10.0; Win64; x64; WOW64; rv:41.0) Gecko/20100101 Firefox/140.0 (x64 de) Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64) Gecko/20100101 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0: Win64: x64: rv:140.0) Gecko/20100101 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/140.2.7 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/140.2 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/140.1.3 Windows 10 Unknown
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6 like Mac OS X; rv:140.0) Servo/0.2.0 Firefox/140.0 iOS 18 iPhone
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 r3dfox/140.8.0 Windows 7 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15; rv:140.0) Gecko/20100101 Firefox/140.0 Mac 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x86_64rv:140.0) Servo/0.2.0 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Firefox/140.0.1 Safari/537.36 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Firefox/140.0.2 Safari/537.36 Windows 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Firefox/140.0.2 Safari/537.36 Mac 10 Unknown
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:140.0esr) Gecko/20100101 Firefox/140.0esr Windows 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Servo/0.2.0 Firefox/140.0 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3; rv:140.008.706) Gecko/20100101 Firefox/140.008.706 Mac 10 Unknown
Mozilla/5.0 (Windows NT 5.1; rv:140.0) Gecko/20100101 Firefox/140.0 r3dfox/140.0.4 Windows XP Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Firefox/140.0.1 Safari/537.36 Mac 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0/xLBuIWFJWVKuiB Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 Nocturne/140.0 Windows 10 Unknown