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
Articles in “compatibility”
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
Timeline for disabling legacy add-ons on addons.mozilla.org
Mozilla will stop supporting Firefox Extended Support Release (ESR) 52, the final release that is compatible with legacy add-ons, on September 5, 2018. As no supported versions of Firefox will … Read more
Removing Support for Unpacked Extensions
With the release of Firefox 62 (currently scheduled for August 21, 2018) Mozilla will discontinue support for unpacked sideloaded extensions. You will no longer be able to load an extension … Read more
Q&A with Developer Stefan Van Damme
This is a guest post from Mozilla technical writer Judy DeMocker. She recently chatted with Stefan Van Damme about his extension Turn Off the Lights, and his experience porting it … Read more
Add-ons Update – 2017/10
Here’s your monthly add-ons update. AMO We changed the way contributions are handled on AMO. This should be simpler to maintain, and offer more payment options for developers. The Review … Read more
Legacy Add-on Support on Firefox ESR
Update: the next ESR was moved to coincide with Firefox 60 instead of 59. Earlier this year, we shared with you our compatibility plan for Firefox. As anticipated, Firefox 57 … Read more
Add-ons Update – 2017/09
Here’s your monthly add-ons update. The Review Queues In the past month, our team reviewed 2,490 listed add-on submissions: 2,074 in fewer than 5 days (83%). 89 between 5 and 10 days … Read more
Add-ons Update – 2017/08
Here’s the monthly update of the state of the add-ons world. The Review Queues In the past month, our team reviewed 1,803 listed add-on submissions: 1368 in fewer than 5 days (76%). … Read more