The most recent revisions to the API documentation were created in late June 2010 and provided to testers in conjunction with Beta 2 of the Volume III, Book 2 update on Bullroarer.
Every single page of this documentation has an ominous warning at the bottom:
(C) 2010 Turbine Entertainment
This documentation is provided for Beta testing only.
Not for redistribution.
Has the documentation been updated for the released version? (Of special importance are the changes to PluginData loading and saving.) Where can new plugin authors expect to find these resources?