- Bug #3587: Fixed an issue with storing empty records (cebe)
- Enh #3520: Added `unlinkAll()`-method to active record to remove all records of a model relation (NmDimas, samdark, cebe)
- Enh #3527: Added `highlight` property to Query and ActiveRecord. (Borales)
- Enh: Make error messages more readable in HTML output
- Enh: Make error messages more readable in HTML output (cebe)
- Chg: asArray in ActiveQuery is now equal to using the normal Query. This means, that the output structure has changed and `with` is supported anymore. (cebe)
- Chg: Deletion of a record is now also considered successful if the record did not exist. (cebe)
- Chg: Requirement changes: Yii now requires elasticsearch version 1.0 or higher (cebe)
