Add-ons   Development

Looking for Help on Message Passing and Program Structure (9)
Remember the state of a checkbox in a popup (7)
Catch webRequests when browser was closed before (8)
How to use Firefox Add-on to receive DNS records that both of “Operation system DNS” and “DNS over HTTPS server”? (8)
Catch and block links that were triggered by an external application like a desktop mail client (1)
Changing language of add-on (16)
Add-on request: Firefox Workspaces (8)
Hidden tabs - performance issues (2)
(How) Can we use webNavigation to redirect (only navigation web requests)? (5)
WebExtensions & Progressive Web Apps (3)
Restart Firefox Programmaticly (4)
Extension: playing audio from IndexedDB: "Content Security Policy: The page’s settings blocked the loading of a resource at blob:moz-extension://c2eb02dd-4249-724d-a725-286299b78933/7b5dea1e-5e40-b645-8217-49618e0d333a (“media-src”)." (2)
On-line detection - detect working internet access (2)
WebExtension - storage.local.clear() don't work (3)
Local Storage Debugger Workaround (7)
AMO approved add-on fails to install (6)
WebExtension with Native messaging C++ App side (3)
Downgrade from Firefox 63 clears local storage of all add-ons (8)
WebExtension APIs made as getter/setter, lazily evaluating to functions – Beware of mocking for unit tests! (3)
How to create a menu with underscore as key binding/accesskey? (5)
Question about addon signing (4)
browser.devtools.panels.elements.createSidebarPane not working on Nightly (1)
How to use a google map api in a Firefox extension, if Firefox prohibits the attenuation of the CSP (3)
[SOLVED] Both content_scripts all_frames true or false not working on top document (5)
Error: There is a JavaScript syntax error in your code; validation cannot continue on this file (6)
Is it possible to develop a paid extension? (6)
How to trap extension disable of uninstall (on Firefox)? (3)
Youtube redirecting on Drop event (1)
Permission denied when trying to set cookie in a firefox web extension on a local file (6)
IndexedDB in Containers - contextualIdentities (3)