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 1.2Released Oct 27, 2019 - 19.6 KBWorks with firefox 42.0 and laterChanged the default keyboard shortcut to initiate element blocking mode so it doesn't conflict with any common Firefox keyboard shortcuts.
Source code released under Mozilla Public License, version 2.0