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.
New icon for restartless addons.
New options to check activated and deactivated restartless addons.
Highest supported version for firefox and thunderbird is 19.0a1.
Highest supported version for seamonkey is 2.15.*.
Some Source revision.
Increases version of SeaMonkey to 2.3.*