Ståle W. Pedersen commented on an issue
Hibernate ORM / Technical task HHH-8354
New dirty-checking options based on bytecode enhancement
http://in.relation.to/Bloggers/OptionsForEntityDirtnessChecking is a great discussion of the current state.

The basic idea with this feature is to allow the entity to dirty-check itself through bytecode enhancement as discussed in the {{Tracked approach : bytecode enhancement}} section. So in part the code will simply be moved over from {{org.hibernat...