Please upgrade here. These earlier versions are no longer being updated and have security issues.
HackerOne users: Testing against this community violates our program's Terms of Service and will result in your bounty being denied.
Overview of events.
According to http://vanillaforums.org/page/Plugins there are quite some events to hook on in Garden and Vanilla. I could browse trough every .php file to see what's where, but is there some overview of events available? Or some smart way to list the available ones in the running installation?