Incorrect require in jump.cgi. Same for add, mod. Links to other search engines if search fails. All outgoing messages are logged. Lot's of new features.
Custom tailor each message using the link owners information.
Admin can auto email a newsletter outlining all new links added recently. Also, add, modify and reject letters are as text templates and not in the code. All templates are parsed for tags so they can be customized easily. This is really useful if you have a field called Review that is too long to be displayed on the category page, but rather you want the user to click on the link and be presented with a full description of the link. This will block all submissions unless they come from your site.