Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Version 1.2.0Released Jul 2, 2017 - 147.98 KBWorks with firefox 48.0 and later, android 48.0 and laterAddon has been rewritten for the WebExtensions platform (which means that it is no longer a "legacy" addon and will continue to work in Firefox 57).
The gradual performance deterioration that has been reported by some users no longer seems to be an issue in this version.
Source code released under Mozilla Public License 2.0