Define custom collections per entity.
Apply custom setters when hydrating from the database. (Reverted in 2.5.3 for unintended consequences with things like password hashing.)
Query scopes can return any value. This allows you to use scopes to perform query functions and return values. (If you do not want to return a custom value, return the QueryBuilder instance or nothing.)
Improve error messages for not loaded entities.
Return the correct memento with accessors on.
Relationship Fetch Methods (first and find methods)
Mapping foreign keys for relationships is now optional
Either entities or primary key values can be passed to relationship persistance methods
Relationships can also be saved by calling "set" & relationshipName
Virtual Inheritance works on ColdBox 5.2+