-[FIXED] timestamp columns are no longer undefined for associations loaded with `separate`. [#4740](https://github.com/sequelize/sequelize/issues/4740)
-[FIXED] timestamp columns are no longer undefined for associations loaded with `separate`. [#4740](https://github.com/sequelize/sequelize/issues/4740)
-[FIXED] Mark unscoped model as `.scoped`, to prevent injection of default scope on includes [#4663](https://github.com/sequelize/sequelize/issues/4663)
-[FIXED] Mark unscoped model as `.scoped`, to prevent injection of default scope on includes [#4663](https://github.com/sequelize/sequelize/issues/4663)
-[ADDED]`.previous` now returns and object of previous values when called without `key`. This brings the API in line with `.changed`
-[ADDED]`.previous` now returns and object of previous values when called without `key`. This brings the API in line with `.changed`