I have it installed on 1.4.2.
If you wish for the link, I'll give the link to the forums for you.
By the way, it's AirTran Virtual's official forums; we are constantly getting spammed by advertising bots, thus, a plugin that would really stop this flow of spam is going to help us reduce the load of alerts of new registrations in our inbox (yes, we know how to turn it off, but we want to know who has just signed up and whether is is one of our pilots).
If needed, we'll test anything you want on 1.4.2.