When submitting an add-on to addons.mozilla.org (AMO), it is sometimes necessary to attach source code in addition to the xpi file. This usually applies to add-ons with obfuscated code, because a reviewer wouldn’t be able to approve an add-on without … Continue reading
One of the advantages of listing an add-on or theme on addons.mozilla.org (AMO) is that you’ll get statistics on your add-on’s usage. These stats, which are covered by the Mozilla privacy policy, provide add-on developers with information such as the … Continue reading
If you have an active extension listing on AMO you probably got a message from us already, explaining how we will automatically sign your add-on and provide it to your users via automatic updates. The automatic signing process will run … Continue reading
Update: some of the details in the plan (particularly the timeline) have changed since this post was published. Please refer to this documentation page for the latest information. This year will bring big changes for add-on development, changes that we … Continue reading
Since we introduced the Add-on Guidelines, we’ve had a much better way to tell developers what is allowed or not for non-AMO add-ons. We also have a much clearer set of rules for blocklisting add-ons that we think don’t provide … Continue reading
Having a wide variety of content on addons.mozilla.org has always been a top priority for us, which is why some years ago we decided that we needed two different levels of acceptance for the add-ons we host and distribute. Fully … Continue reading
We introduced the Add-on Guidelines a few months ago, setting a common bar all add-ons need to pass, regardless of whether they are hosted on AMO or not. We also promised a more permanent location for them, which is now … Continue reading
It is common for software installers to include add-ons that are installed into Firefox and other browsers. Since software installers can often be confusing and most users click through them without reading, we introduced the opt-in install screen to make … Continue reading
Add-ons are often cited as the main reason users love Firefox, and while they offer users substantial benefits, they can also be a cause of slowdowns, instability and other problems. This is the reality of having an open development platform … Continue reading
Deep customization through add-ons is one of the best features of Firefox, and we’re thrilled to have such a vibrant ecosystem of community-developed extensions, themes, and other kinds of add-ons for users to enjoy. However, it’s extremely important to us … Continue reading
