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Extensions button and how to handle permissions in Manifest V3

Juha-Matti Santala
November 17, 2022

Manifest V3 (MV3) is bringing new user-facing changes to Firefox, including an extensions button to manage installed and enabled browser extension permissions (origin controls), providing Firefox users control over extension … Read more

Begin your MV3 migration by implementing new features today

Shane Caraveo
October 31, 2022

Early next year, Firefox will release Mozilla’s Manifest V3 (MV3). Therefore, it’s an ideal time to consider migrating your Manifest V2 extensions. One of our goals throughout our approach to … Read more

Hello from the new developer advocate

Juha-Matti Santala
September 1, 2022

Hello extension developers, I’m Juhis, it’s a pleasure to meet you all. In the beginning of August I joined Mozilla and the Firefox add-ons team as a developer advocate. I … Read more

Manifest V3 Firefox Developer Preview — how to get involved

Shane Caraveo
June 8, 2022

While MV3 is still in development, many major features are already included in the Developer Preview, which provides an opportunity to expose functionality for testing and feedback. With strong developer … Read more

Manifest v3 in Firefox: Recap & Next Steps

Rob Wu
May 18, 2022

It’s been about a year since our last update regarding Manifest v3. A lot has changed since then, not least of which has been the formation of a community group … Read more

A new API for submitting and updating add-ons

Andrew Williamson
March 17, 2022

The addons.mozilla.org (AMO) external API has offered add-on developers the ability to submit new add-on versions for signing for a number of years, in addition to being available to get … Read more

New JavaScript syntax support in add-on developer tools

William Durand
December 7, 2021

It’s been a year since we last added support for new JavaScript syntax to the add-ons linter. In that time we’ve used it to validate over 150,000 submissions to AMO … Read more

Add-on Policy Changes 2021

Philipp Kewisch
November 3, 2021

Update: The policies are now live, please see the main policy for details. From time to time, the Add-ons Team makes changes to the policies in order to provide more … Read more

Thank you, Recommended Extensions Community Board!

Scott DeVaney
August 5, 2021

Given the broad visibility of Recommended extensions across addons.mozilla.org (AMO), the Firefox Add-ons Manager, and other places we promote extensions, we believe our curatorial process should include a wide range … Read more

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