...
$this->recursive, in addition to being too blunt an instrument to determine how much associated data is retrieved with a model (it generates way too many SQL queries in most circumstances), also doesn't currently work correctly with the Grouper datasource (CO-268).
Use of Linkable Behavior is also acceptable, though it should be considered somewhat experimental.
Magic Finds
Do not use the magic findByX() functions, as they do not appear to trigger Behaviors (especially ChangelogBehavior).