Mozilla today published the extension roadmap for Firefox, which reveals a huge shift with extensions in the browser. With the release of Firefox 57, support for all classic XUL extensions will be discontinued.
Tag: firefox webextensions api
Firefox will get a new extensions API, without backward compatibility
Mozilla developers have announced that in Firefox 45, a new implementation of the API for browser extensions will be added. It is called WebExtensions and uses native HTML technology. WebExtensions will make it possible to create extensions compatible with Google Chrome and vice versa.