Mozilla Discourse

Topic	Replies	Views	Activity
Get started with Firefox extension development Development Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…	5	18410	September 30, 2025
Issue with review process Add-ons issue	7	782	June 12, 2026
YouTube embed in extension no longer possible? Development	0	20	June 11, 2026
API Key verification = "Oops! We had an error." Add-on Support	2	37	June 11, 2026
API for internal VPN remaining size Add-ons	0	14	June 11, 2026
My IP Address has been blocked Add-on Support	0	17	June 11, 2026
[resolved] "Oops! We had an error" at addons.mozilla.org Announcements	1	50	June 11, 2026
Error when submitting new version of extension: "Oops! We had an error" addons.mozilla.org	1	31	June 11, 2026
Locked Dashboard: Clarification on False Positive (UUID: b0dd6398-1c58-4940-b0be-3577cd03b723) Development add-on-reviews	0	9	June 11, 2026
Inquiry regarding the review timeline for Firefox Android Recommended Extensions Add-ons	4	70	June 10, 2026
Happy BMO Push Day! (20260609.1) Firefox Tooling Announcements	0	35	June 9, 2026
Clean build rejected due to non existent previous review messages Add-ons	0	29	June 9, 2026
Search of mozilla social mapping Add-ons	0	16	June 9, 2026
Deleting my last add-on addons.mozilla.org	0	30	June 9, 2026
MozPhab 2.15.2 Released Firefox Tooling Announcements	0	35	June 8, 2026
Windows XP modern theme has a bug with the light theme from firefox Themes	0	37	June 8, 2026
Cannot load extensions with background scripts Development	5	5095	June 8, 2026
How is the plugin compatible with version 52 Add-ons issue	11	133	June 7, 2026
[RESOLVED] Incident report: developer accounts banned without notification Add-ons	2	175	June 7, 2026
¡Hola a todos! 👋 Announcements	0	21	June 6, 2026
[Feedback] VoxSub – a Firefox add-on for dual subtitles, AI translation, and subtitle control Development webextensions-api , feedback	2	63	June 6, 2026
I built a free extension that auto-rejects cookie banners based on your preferences (Firefox, open to feedback) Firefox for Android Add-ons feedback	0	49	June 4, 2026
Android 153.0a1 reversed video on some sites Firefox Nightly issue	1	51	June 4, 2026
All versions Disabled by Mozilla Add-ons add-on-reviews	5	89	June 3, 2026
Should limited free extensions be recommended? Add-ons	1	45	June 2, 2026
SCAM Alert – Fake OKX Wallet Extension on Firefox Stole My Funds Add-ons issue	12	1279	June 2, 2026
Unable to access my Mozilla developer account Add-ons issue	1	35	June 2, 2026
Stuck in review addons.mozilla.org	16	361	June 2, 2026
Je veux installer mon add-on sur Firefox, mais vous ne voulez pas Add-on Support	0	23	June 2, 2026
Mozilla Review Delays Preventing My Self-Distributed Extension Registration Development add-on-reviews	1	42	June 2, 2026

Get started with Firefox extension development

Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…