Add-ons   Development

Creating a web-extension i18n tool ( 2 ) (31)
No way to detect that a window or tab is closing before it's closed (17)
Handle shortcuts with NumPad in background (6)
How to make an extension for android firefox, from which make appear a toolbar? (6)
URL "about:newtab" still shows default and not custom new tab (2)
Enable/disable chrome_url_overrides programmatically (10)
Stats page (2)
Remove shortcut from command (3)
“Violation of Mozilla conditions of use” false positive (2)
How to copy-paste 'text' to clipboard using an add-on? (6)
Debugging in Browser Toolbox (2)
How can i get system information in extensions? (2)
Alternative to browser.tabs.onUpdated.addListener for Mobile (15)
Limit extension to HTML? (5)
Developing with WebExtensions - very frustrating (11)
IdexedDB: A request was aborted, for example through a call to IDBTransaction.abort (5)
Need help with add on, want to press a button have script read/save URL and then if any changes ot url occur revert back to saved url (4)
Cannot load mozRequestFullScreen [Android] (4)
Knowing whether the request is for cached file or not using webRequest (2)
Firefox extension and Native Messaging Application (2)
Check link - cross-site Access-Control (3)
Webextensions: Date input element in browser action does not work in desktop (2)
Making a Firefox addon that creates a simple toggle button that can switch a setting on and off (6)
Help: Is it possible? (4)
Modify Script files and web-pages before rendering with StreamFilter (webRequest) (1)
WebExtensions - how to get the field value in a web page (15)
Commands - can multiple add-ons use same hot-keys? (2)
How to modify appearance of tabs themselves with WebExtension? (5)
Add-On Publication problem (4)
How to make extension interceipt and modify DOM before rendering or execution (4)