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Crypto wallet scams — thwarting a new threat

Scott DeVaney
May 30, 2025

According to the FBI’s 2024 Internet Crime Report, crypto-related scams accounted for nearly $16.6 billion in victim losses last year across the globe ($9.3 billion in the United States alone … Read more

New Extension Data Consent Experience now available in Firefox Nightly

Alan Byrne
May 9, 2025

In a previous blog post I explained that we’re working to streamline the data consent experience for extensions and allow users to consent to sharing data with extensions directly in … Read more

WebExtensions Support for Tab Groups

Simeon Vincent
April 30, 2025

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

Rethinking Extension Data Consent: Clarity, Consistency, and Control

Alan Byrne
April 3, 2025

Hello, extension developers! I’m Alan, the Product Manager at Mozilla responsible for the Firefox add-ons ecosystem. I wanted to share news about a project we’re working on that will streamline … Read more

Root certificate will expire on 14 March — users need to update Firefox to prevent add-on breakage

Scott DeVaney
March 10, 2025

UPDATE – 19 March We’ve discovered a bug impacting some older extensions for users on Firefox 128+ or ESR 115 (in this case even updating Firefox won’t resolve the root … Read more

Styling your listing page on AMO with Markdown

Simeon Vincent
March 3, 2025

The Mozilla Add-ons team is excited to announce that developers can now style content on addons.mozilla.org (AMO) using Markdown. From the early days of AMO developers have been able to … Read more

Announcing the WebExtensions ML API

Simeon Vincent
January 22, 2025

Greetings extension developers! We wanted to highlight this just-published blog post from our AI team where they share some exciting news – we’re shipping a new experimental ML API in … Read more

Developer Spotlight: Adaptive Tab Bar Color

Scott DeVaney
December 13, 2024

A few years ago software developer Yixin Wang (aka Eason) decided he wanted to “de-Google” his digital life. After switching from Chrome to Firefox, Eason created macOS Monterey Safari Dark … Read more

Help select new Firefox Recommended Extensions — join the Community Advisory Board

Scott DeVaney
September 19, 2024

Firefox Recommended Extensions comprise a collection of featured content that’s been curated with extensive community involvement. It’s time once again to form a new Recommended Extensions Community Advisory Board and … Read more

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