I propose some changes for Subscribe2 and I prepared a patches for that.
In this ticket I attached patches for two changes:
- passing more arguments to s2_html_email hook
- splitting subscribe_confirmation_sent message to separate messages for subscribing and unsubscribing since current message is very confusing for user (my English is not very good so MattyRob? should improve language in it)
Additionally, here is translation of 7.0.1 in Serbian.