Firefox Nightly News

Highlights Check out this blog post featuring interviews with Niklas, kpatenio and jmaher about mentoring for Outreachy PDF annotating support is being worked on, and can be tested in Nightly … Read more

Highlights Dale Harvey implemented an experimental Quick Actions feature in the Address Bar Demo video: directly open privacy preferences, view source, take screenshot Enable browser.urlbar.quickactions.enabled and browser.urlbar.shortcuts.quickactions This is en-US … Read more

Highlights Allow the browser toolbox to enable/disable multiprocess behavior on-demand (bug). The user can switch between two modes. Parent process only (fast) – observing only the parent process and useful … Read more

Highlights Firefox 101 releases today! Here are the release notes. We’ve been refactoring the Screenshots feature. You can help us test this by setting `screenshots.browser.component.enabled` to `true` in about:config New … Read more

Highlights ESMification is a project to move away from our custom JS module system (JSMs) to the standard ES Module system most are familiar with when writing JavaScript. A prototype … Read more

Highlights Firefox 100 goes out today! A milestone release, but also business as usual! Congratulations to contributors who helped get Firefox 100 out the door! Initial support for subtitles and … Read more

Highlights The devtools console is now significantly faster! If you are a developer who heavily uses the console, this should be a substantial quality of life improvement. This was a … Read more

Highlights The WebExtension team has made changes to the add-on install flow: in Firefox >= 100 user activation/interaction is now required to successfully trigger the add-on installation flow – Bug … Read more

Highlights Picture-in-Picture captions/subtitles support is now enabled by default on Nightly! Supported sites include YouTube, Netflix, Prime Video, and others that use WebVTT The Firefox Profiler supports date format changes … Read more

Highlights The Firefox Profiler team has added a dynamic language switcher! (#3905, #3910) Volunteer contributor aminomancer changed the default seek time for video and audio elements (and for when using … Read more

Highlights Several new updates for DevTools CSS Property Value: Colin Cazabet added the ability to increase/decrease a CSS property value (e.g. dimensions) by dragging the mouse over the CSS property … Read more

Highlights Since the compatibility panel is also riding the 98 train, we polished it a bit: we added support for Internet Explorer 11 data (bug), reworked the tooltip for compatibility … Read more