I´m on WP 3.3.2 (Twentyten Child Theme) and I have the latest
version of the plugin installed to.
Everything that could go in the way of the plugin itself is the G.A.S.P
plugin but I doubt that this is the fault.
Subscribtions work fine so far but the most important thing does not work... The Opt In confirmation email that should be sent to the user.
We need this in Europe due to privacy law.