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.
-compatibility with older versions of Firefox and with Pale Moon
-removal of the menuicon-flexible option
-Fixed issue of misplaced search engine icons on Linux
-Using Firefox's searchForSomethingWith string from chrome://browser/locale/search.properties instead of using my own
-Using chrome://browser/skin/search-engine-placeholder.png for iconless search engines