Add-ons

Contribute Help keep Firefox the most customizable browser available. Contribute code, organize events, translate things, evangelize, and more. Firefox for Android Add-ons This space is specifically for developers with technical questions as they prepare their desktop add-ons for availability on Android. Themes Discussions about background themes and complete themes. addons.mozilla.org Discussions about AMO add-on reviews and bugs. Add-on Support Need help with an add-on? Ask here! Announcements Important announcements for the add-ons community. Development Technical discussions about add-on development.

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	0	24699	July 11, 2014
Proper way to create an add-on for internal use Development	1	9	February 6, 2026
Intercepting HTTP requests doesn't work Development	2	11	February 6, 2026
Account access for review Add-ons learning	0	8	February 4, 2026
Confusing emails from Mozilla Add-ons Add-on Support	0	16	February 3, 2026
Possible issue with new data_collection_permissions soon to be required? Add-on Support	4	85	February 1, 2026
Awaiting Review for 3 weeks now Add-ons	3	68	January 31, 2026
What does "listed" on the manage authors page mean? Add-ons	0	16	January 29, 2026
Reporting suspicious add-ons: Why bother? Add-ons add-on-reviews	0	19	January 28, 2026
Extension “Waiting for Reivew” for a unacceptable long time Add-on Support	3	66	January 28, 2026
Revert to old GUI Add-on Support	4	2089	January 27, 2026
Addon review taking longer than usual Add-on Support	6	410	January 26, 2026
You might want to reword this page : "minor delays" doesnt seem appropriate addons.mozilla.org feedback , issue	1	55	January 26, 2026
AMO review pending since Dec 17 - no response for over a month addons.mozilla.org add-on-reviews	6	77	January 26, 2026
Lost access to two-factor authentication app after changing phone addons.mozilla.org	1	27	January 26, 2026
Extension "Waiting for Reivew" for a unacceptable long time Add-ons add-on-reviews	0	25	January 25, 2026
Extension stuck "not a public listing" for 2+ weeks Add-ons	0	16	January 23, 2026
Adding onUserScriptConnect / onUserScriptMessage listeners Development	0	14	January 23, 2026
Is Firefox MV3 intentionally not supporting `browser.runtime.onMessage` in MV3 userScripts API? Why? Development	8	144	January 21, 2026
Why does runtime.onSuspend not execute window.localStorage.setItem? Development learning , issue	2	21	January 19, 2026
Questions about including third-party libraries Development	0	21	January 19, 2026
Help me Addons Add-on Support	1	20	January 19, 2026
Help please Add-on Support	2	25	January 15, 2026
Submitted Add-ons isnt appearing on my page Add-ons	2	27	January 14, 2026
Request to reuse deleted Add-on ID (Duplicate ID issue) Add-on Support	0	45	January 13, 2026
I submitted a new add-on that has not been reviewed – Submitted Jan 8 Add-ons	0	34	January 13, 2026
I submitted a new add-on that has not been reviewed Add-on Support	15	355	January 13, 2026
Windscribe 4.x.x Firefox extension release Add-on Support	4	41	January 11, 2026
Problems uploading a new add-on (SOLVED) Add-ons	4	20	January 10, 2026
New Windscribe Extension? Add-on Support	0	23	January 9, 2026