Release date:
2025-04-29
Latest Firefox 138 user agents:
| User Agent | Platform | Device |
|---|---|---|
| Mozilla/5.0 (Macintosh; Intel Mac OS X 14.4; rv:138.0) Gecko/20010101 Firefox/138.0 | Mac 14 | Unknown |
| Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20221314 Firefox/138.0 | GNU/Linux | Unknown |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 14; rv:138.0esr) Gecko/20000101 Firefox/138.0esr | Mac | Unknown |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 14.1; rv:138.0) Gecko/20010101 Firefox/138.0 | Mac 14 | Unknown |
| Mozilla/5.0 (Windows NT 6.2; WOW64; x64; rv:138.0) Gecko/20100101 Firefox/138.0 | Windows 8 | Unknown |
| Mozilla/5.0 (Windows NT 10.0.0 ; WOW64; rv:138.0) Gecko/20100101 Firefox/138.0 | Windows 10 | Unknown |
| Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:138.0) Gecko/20100101 Firefox/138.0 | Ubuntu | Unknown |
| Mozilla/5.0 (X11; Linux; rv:138.0) Gecko/20220510 Firefox/138.0 | GNU/Linux | Unknown |
| Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0 | Fedora | Unknown |
| Mozilla/5.0 (X11; Linux i686; rv:138.0esr) Gecko/20222809 Firefox/138.0esr | GNU/Linux | Unknown |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15; rv:138.0) Gecko/20100101 Firefox/138.0 | Mac 10 | Unknown |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 14.0; rv:138.0) Gecko/20110101 Firefox/138.0 | Mac 14 | Unknown |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1; rv:138.0) Gecko/20100101 Firefox/138.0 | Mac 11 | Unknown |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20172119 Firefox/138.0 | Ubuntu | Unknown |
| Mozilla/5.0 (Wayland like X11; Linux; rv:138.0esr) Gecko/20211201 Firefox/138.0esr | GNU/Linux | Unknown |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_4_9; rv:138.0) Gecko/20100101 Firefox/138.0 | Mac 10 | Unknown |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_2; rv:138.0) Gecko/20100101 Firefox/138.0 | Mac 10 | Unknown |
| Mozilla/5.0 (X11; Linux; rv:138.0) Gecko/20212914 Firefox/138.0 | GNU/Linux | Unknown |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0/IIZ3DjAFV | Windows 10 | Unknown |
| Mozilla/5.0 (X11; Fedora; Linux; rv:138.0) Gecko/20161714 Firefox/138.0 | Fedora | Unknown |
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