Latest Firefox 140 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 Nocturne/140.0 Windows 8 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Servo/0.0.6 Firefox/140.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x86_64rv:140.0) Servo/0.0.6 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 Nocturne/140.8.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 Nocturne/140.9.0 Windows 7 Unknown
Mozilla/5.0 (X11; NetBSD riscv64; rv:140.8) Gecko/20100101 Firefox/140.8 NetBSD Unknown
Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 | Screen:1280x720 | Window:2560x1380 Windows 8 Unknown
Mozilla/5.0 (X11; FreeBSD 16 x86_64; rv:140.0) Gecko/20100101 Firefox/140.0 FreeBSD 16 Unknown
Mozilla/5.0 (X11; FreeBSD 16.0-C x86_64; rv:140.0) Gecko/20100101 Firefox/140.0 FreeBSD 16 Unknown
Mozilla/5.0 (X11; FreeBSD.CURRENT x86_64; rv:140.0) Gecko/20100101 Firefox/140.0 FreeBSD Unknown
Mozilla/5.0 (X11; FreeBSD CURRENT x86_64; rv:140.0) Gecko/20100101 Firefox/140.0 FreeBSD Unknown
Mozilla/5.0 (Windows NT 10.0; WOW64; x64; rv:140.0) Gecko/20100101 Firefox/140.0/vcoK09C0YvTaF-14 Windows 10 Unknown
Mozilla/5.0 (X11; FreeBSD x86_64; rv:140.8.0esr) Gecko/20100101 Firefox/140.8.0esr FreeBSD Unknown
Mozilla/5.0 (X11; NetBSD x86_64; rv:140.0) Gecko/20100101 Firefox/140.0 NetBSD Unknown
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/140.0 Windows 10 Unknown
Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 Nocturne/140.9.0 Windows 8 Unknown
Mozilla/5.0 (X11; Ubuntu; rv:140.0) Gecko/20100101 Firefox/140.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:140.0.2) Gecko/20100101 Firefox/140.0.2 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:140.0) Gecko/20100101 Firefox/140.0 Ubuntu Unknown
Mozilla/5.0 (X11; Linux; rv:140.0) Gecko/20221109 Firefox/140.0 GNU/Linux Unknown