Firefox Preview/GeckoView Add-ons Support
Back in June, Mozilla announced Firefox Preview, an early version of the new browser for Android that is built on top of Firefox’s own mobile browser engine, GeckoView. We’ve gotten … Read more
Articles in “webextensions”
Extensions in Firefox 70
Welcome to another round of new additions and changes to extensions, this time in Firefox 70. We have a new API, some improvements on existing APIs, and some great additions … Read more
Mozilla’s Manifest v3 FAQ
What is Manifest v3? Chrome versions the APIs they provide to extensions, and the current format is version 2. The Firefox WebExtensions API is nearly 100% compatible with version 2, … Read more
Extensions in Firefox 69
In our last post for Firefox 68, we’ve introduced a great number of new features. In contrast, Firefox 69 only has a few new additions. Still, we are proud to … Read more
Upcoming deprecations in Firefox 70
Several planned code deprecations for Firefox 70, currently available on the Nightly pre-release channel, may impact extension and theme developers. Firefox 70 will be released on October 22, 2019. Aliased … Read more
Extensions in Firefox 68
In Firefox 68, we are introducing a new API and some enhancements to webRequest and private browsing. We’ve also fixed a few issues in order to improve compatibility and resolve … Read more
Add-ons disabled or failing to install in Firefox
Incident summary Updates – Last updated 14:35 PST May 14, 2019. We expect this to be our final update. If you are running Firefox versions 61 – 65 and 1) … Read more
Extensions in Firefox 67
There are a couple of major changes coming to Firefox. One is in the current Beta 67 release, while the other in the Nightly 68 release, but is covered here … Read more
Extensions in Firefox 66
Firefox 66 is currently in beta and, for extension developers, the changes to the WebExtensions API center primarily around improving performance, stability, and the development experience. A total of 30 … Read more