

If you’re already using Firefox 83 on an M1-based Mac, you will need to follow Mozilla’s instructions to upgrade to the new version. “Firefox launches over 2.5 times faster and web apps are now twice as responsive.”

“Native support for macOS devices built with Apple Silicon CPUs brings dramatic performance improvements over the non-native build that was shipped in Firefox 83,” the Firefox 84 release notes explain. Mozilla has released the latest version of its flagship Firefox web browser, which, among other things, adds support for M1-based Macs.
