1.1.4 includes some additional anti-spam options for the registration form. These are small enough improvements that they can be done for a 1.1.x release. You will see some deeper integration of additional tools (such as the previously-shown StopForumSpam) in 1.2. As always, targeted attacks may potentially be able to mitigate some anti-spam techniques.
Built-in Registration Timer
A registration timer system is now built-in to the registration form. For a valid user, they simply cannot submit the form until the time is up. If a person submits the form without waiting long enough, they will need to wait again until to submit the registration.
This can be configured in the admin control panel:
Unique Registration Key
This...