Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
-Might be some other small changes, too
-new tab page search box will be fixed in 4.0.2
-New bug in FF31+: Address bar won't go to correct size. Unable to find a fix to this at all. PLEASE TELL ME IF YOU KNOW HOW TO FIX IT