Latest Firefox 140 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux x86_64; rv:140.0esr) Gecko/20170411 Firefox/140.0esr GNU/Linux Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; WOW64; rv:41.0) Gecko/20100101 Firefox/140.0.4 (x64 de) Windows 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac; rv:140.0) Gecko/20100101 Firefox/140.0 Mac Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x86_64rv:140.0) Servo/0.3.0 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x64; rv:140.0) Gecko/20100101 Firefox/140.0 Ubuntu Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5; rv:140.872.840) Gecko/20100101 Firefox/140.872.840 Mac 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0/xLBuIWFJWVKuiB,gzip(gfe) Windows 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Servo/0.3.0 Firefox/140.0 GNU/Linux Unknown
Mozilla/5.0 (Linux; Android; Xiaomi Redmi; rv:140.0) Gecko/20100101 Firefox/140.0 Android Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 12.6.7; rv:140.0) Gecko/20100101 Firefox/140.0 Mac 12 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:140.0) Servo/0.2.0 Firefox/140.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; ARM64 Mac OS X 26_5_1) Gecko/20100101 Firefox/140.0 Mac 26 Unknown
Mozilla/5.0 (X11; Linux; en-AU; rv:140.0) Gecko/20160211 Firefox/140.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 r3dfoxESR/140.11.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:140.0) Gecko/20120101 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 6.1; rv:140.0) Gecko/20100101 Firefox/140.0 r3dfoxESR/140.11.0 Windows 7 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5; rv:140.210.798) Gecko/20100101 Firefox/140.210.798 Mac 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2; rv:140.806.705) Gecko/20100101 Firefox/140.806.705 Mac 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Servo/0.2.0 Starling/0.1.0 Firefox/140.0 GNU/Linux Unknown