Firefox 42 won't support unsigned extensions - Liliputing
Firefox 42 Developer Edition
Mozilla says update to Firefox extensions API won't kill ad blockers | ZDNet
File:Firefox 89.0 - Screenshot.png - Wikimedia Commons
SQLite Browser Displaying Mozilla Firefox IndexedDB SQLite File. | Download Scientific Diagram
Firefox 42 Available for Download, Includes a Tab Muting Button
Internet Explorer tłumaczenie PL - Od. 42 - Firefox i TOR - Wattpad
Firefox 42: Find out what is new - gHacks Tech News
Firefox 42 Launches With Tracking Protection In Private Browsing Mode | TechCrunch
File:AlmaLinux 8.5 desktop screenshot with Firefox 91.3.0esr (zh-CN).png - Wikimedia Commons
Firefox 42 Available for Download, Includes a Tab Muting Button
Mozilla Firefox 42.0 Download - Download Current Version Plugins | Firefox, Chrome, Edge & Opera Browsers
Firefox 42 includes tools to prevent tracking your browsing
Everything you need to know about Firefox 42
New Features In Firefox 42 For Desktop And Android
Install Firefox 42 On Linux Ubuntu 15.10 & Ubuntu 14.04
Firefox 42 rolls out with a less trackable Private Mode
Everything you need to know about Firefox 42
Firefox 42 z ochroną przed śledzeniem w przeglądaniu prywatnym (wideo)
Everything you need to know about Firefox 42
效能更高速度更快，Firefox 42 64bit 版本正式推出！ - Qooah
Firefox 42 will deny unsigned Addons - Sign your Addon Today
