You need to test how websites perform on older browser engines. System Requirements for Firefox 80
macOS 10.12 (Sierra), 10.13 (High Sierra), 10.14 (Mojave), or 10.15 (Catalina). Processor: Intel x86 processor.
Mozilla implemented a new, faster blocklist designed to improve browser performance by reducing the time needed to parse and disable problematic extensions. firefox 80 download mac
Before downloading, ensure your Mac meets these minimum specifications:
Firefox 80 brought several notable improvements to the Mac experience: You need to test how websites perform on
At least 512 MB (though 2GB+ is recommended for modern web browsing).
Most users should download the latest version of Firefox to ensure they have the most recent security patches. However, you might specifically need Firefox 80 if: Mozilla implemented a new, faster blocklist designed to
You are running an older macOS version that is not compatible with the newest Firefox releases but supports version 80.