WebExtensions are the new standard for add-on development in Firefox, and will be the only supported type of extension in release versions of Firefox later this year. Starting in Firefox 57, which is scheduled to arrive in November 2017, extensions … Continue reading
Today’s post comes from Michel Gutierrez (mig), the developer of Video DownloadHelper, among other add-ons. He shares his story about the process of modernizing his XUL add-on to make it compatible with multiprocess Firefox (e10s). *** Video DownloadHelper (VDH) is … Continue reading
Today’s post comes from Piro, the developer of Popup ALT Attribute, in addition to 40 other add-ons. He shares his thoughts about migrating XUL/XPCOM add-ons to WebExtensions, and shows us how he did it with Popup ALT Attribute. You can … Continue reading
A multi-process architecture is finally coming to Firefox. Known by its codename, “Electrolysis” or “e10s,” this project aims to split the Firefox browser into a single process for the UI, and several processes for web content, media playback, plugins, etc. … Continue reading
With this week’s release of Firefox 43, all add-ons must now be signed. While this will make the block-list and other malware prevention measures more effective, add-on developers who wish to distribute outside of addons.mozilla.org must now add signing to … Continue reading
It has been a while since there has been a Jetpack-related post on this blog; 2014 has been a pretty busy year with several major Jetpack-related milestones completed in the last year or so and we wanted to post a … Continue reading
I’m pleased to announce the immediate availability of Add-on SDK 1.17! You can download the SDK directly in either zip or tarball format. This is a maintenance release of the cfx tools to more easily support new apis added to … Continue reading
Update: Firefox has used the WebExtensions API as its extension API since 2017. We encourage you to visit Extension Workshop to learn more about browser extensions and how you can build an extension for Firefox. You can find reference documentation … Continue reading
In Firefox 30 the Add-on SDK is making a change to the execution environment for content scripts. While this change will not affect most add-ons, some patterns will no longer work. Specifically, content scripts will no longer be able to … Continue reading
Update: the ability to attach a panel to a button, and the ability to include buttons in toolbars, are not included in Firefox 29 (the current Beta release). Both these features are in Firefox 30 (the current Aurora release). Note … Continue reading
