Add-ons   Development

TypeScript generator for the browser Polyfill (1)
How to know if I have to wait for onInstalled (8)
WebExtensions and about: urls (3)
Your popup.js still isn't sanitized properly. It is possible to run JavaScript code by injecting a custom href string (11)
String.split not working (4)
Emulation of upgrading process for Embedded webextension (6)
Preferences Saving for Firefox and Thunderbird (8)
Active tab changes (tabs.onActivated fires). How to get the previous active tab? (7)
Commands with Numeric keyboard (3)
Does Firefox 57 provide the keycode from keydown events? (3)
Modifying sorce code of installed add-ons (3)
Is my extension dead? (2)
[FIXED] Alarms don't fire on linux machine (1)
Feature Request: disable "open new tabs" privileges for add-ons on individual base (6)
Issues with Internationalization (i18n) (3)
Localisation file bug in Thunderbird extension (6)
HTML5 Canvas flickering in Firefox extension (5)
WebExtension APIs for Bookmarks Library, aka Show All Bookmarks (1)
How to refer to locale-specific file? (4)
WebExtension - Alarm stop working after popup loaded (7)
How to assign per-tab data? (2)
“browser.webRequest.onBeforeRequest” can't listen to main frame URLs after clicks (1)
webRequest redirect not working for extension-files (Cross-domain error) (1)
What is the current behavior for conflicting commands? (3)
Open tab in Incognito Mode (5)
Create an extension that would intercept a link click (1)
How do you cancel sending an email in Thunderbird? [Solved] (8)
Can I suggest Add-on here? (2)
Add-on corrupt error message (4)
Is there a way to get the current position within a web page, so that I can later scroll back to that position? (5)