Mozilla Labs has an extention called "Recall monkey", it stop working with new versions of Firefox, my question is what is the last Firefox version that does support it. i searched it but found nothing , Any help is appreciated.
these links may help:
Mozilla labs: http://mozillalabs.com/prospector/2011/06/20/recallmonkey-finds-what-you-forget/
Addons link: https://addons.mozilla.org/en-US/firefox/addon/prospector-recall-monkey/
what does this addon do: https://superuser.com/questions/296501/is-there-a-way-to-search-the-text-of-my-browsing-history-in-firefox
According to the plugin website it should be supported from version 12 up to 21.*