Firefox Nightly News

Let's improve quality, build after build!

These Weeks in Firefox: Issue 102

Highlights As part of Fission-related changes, browser.tabs.delectLanguage has been migrated away from MessageChannel.jsm and to use the JSWindowActor messaging instead, which has also nicely reduced AWSY’s Base Content JS memory … Read more

These Weeks in Firefox: Issue 100

Highlights Firefox 92 was released today! We’re 96% through M1 for Fluent migration! Great work from kpatenio and niklas! [Screenshot] Caption: A graph showing how Fluent strings have overtaken DTD … Read more

These Weeks in Firefox: Issue 94

Highlights On macOS, scrollbars now squish during rubber-banding. We’re working on supporting native fullscreen on macOS. Turn it on by enabling the pref full-screen-api.macos-native-full-screen. This will (among other things) create … Read more

These Weeks in Firefox: Issue 93

Highlights Firefox 89 introduces a fresh new look and feel! Floating tabs! Streamlined menus! New icons! Better dark mode support! Improved context menus on Mac and Windows Improved perceived startup … Read more