Nova is here: what changes for your Firefox theme
On September 29, Firefox 157 shipped Nova, the biggest refresh of the Firefox interface since Proton back in 2021. The browser frame is cleaner, the sidebar plays a bigger role, … Read more
Articles in “compatibility”
WebExtensions API Changes (Firefox 149-152)
Intro Hey everyone, we’ve been working on some exciting changes, and want to share them with you. But first, let me introduce myself. I am Christos, the new Sr. Developer … Read more
How Your Feedback Shapes the Firefox Add-ons Experience
Hey everyone! I’m Christos Bacharakis, and I’ve recently joined Mozilla as the new Add-ons Senior Developer Relations Engineer. I’m here to help developers overcome technical challenges so your extension visions … Read more
WebExtensions Support for Tab Groups
Exciting news: with yesterday’s release of Firefox 138, tab groups are now available to all users! Tab groups have been a long standing feature request for users, so it’s wonderful … Read more
Manifest V3 & Manifest V2 (March 2024 update)
Calling all extension developers! With Manifest V3 picking up steam again, we wanted to provide some visibility into our current plans as a lot has happened since we published our … Read more
Extensions in Firefox 85
Before we get into the updates coming to Firefox 85, I want to highlight two changes that we uplifted to Firefox 84, now on release: Expose HTTPS-Only preference in privacy.network. … Read more
Extensions in Firefox 84
Here are our highlights of what’s coming up in the Firefox 84 release: You can now zoom extension panels, popups, and sidebars using Ctrl+scroll wheel (Cmd+scroll wheel on macOS). Under … Read more
Extensions in Firefox 83
In addition to our brief update on extensions in Firefox 83, this post contains information about changes to the Firefox release calendar and a feature preview for Firefox 84. Thanks … Read more
Extensions in Firefox 82
Before we get to the Firefox 82 updates, I want to let you know that Philipp has passed the baton for these blog posts over to me. I plan to … Read more