Introduction to Add-on Development
About the Development category
Prevent script opened windows from closing them
String.split not working
Emulation of upgrading process for Embedded webextension
Need to restart browser on first time add-on installation
First WebExtension working local, signed OK but cannot install
Preferences Saving for Firefox and Thunderbird
Active tab changes (tabs.onActivated fires). How to get the previous active tab?
Commands with Numeric keyboard
Does Firefox 57 provide the keycode from keydown events?
Modifying sorce code of installed add-ons
Is my extension dead?
[FIXED] Alarms don't fire on linux machine
Feature Request: disable "open new tabs" privileges for add-ons on individual base
Issues with Internationalization (i18n)
Localisation file bug in Thunderbird extension
HTML5 Canvas flickering in Firefox extension
WebExtension APIs for Bookmarks Library, aka Show All Bookmarks
How to refer to locale-specific file?
WebExtension - Alarm stop working after popup loaded
How to assign per-tab data?
“browser.webRequest.onBeforeRequest” can't listen to main frame URLs after clicks
webRequest redirect not working for extension-files (Cross-domain error)
What is the current behavior for conflicting commands?
Open tab in Incognito Mode
Create an extension that would intercept a link click
How do you cancel sending an email in Thunderbird? [Solved]
Can I suggest Add-on here?
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