-[FIXED]`hasOne` now prefer aliases to construct foreign key [#5247](https://github.com/sequelize/sequelize/issues/5247)
-[CHANGED]`instance.equals` now only checks primary keys, instead of all attributes.
-[REWRITE] Rewrite model and instance to a single class - instance instanceof Model [#5924](https://github.com/sequelize/sequelize/issues/5924)
## BC breaks:
-`hookValidate` removed in favor of `validate` with `hooks: true | false`. `validate` returns a promise which is rejected if validation fails
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@@ -28,6 +29,7 @@
- Removed MariaDB dialect - this was just a thin wrapper around MySQL, so using `dialect: 'mysql'` instead should work with no further changes
-`hasOne` now prefer `as` option to generate foreign key name, otherwise it defaults to source model name
-`instance.equals` now provides reference equality (do two instances refer to the same row, i.e. are their primary key(s) equal). Use `instance.get()` to get and compare all values.
- Instances (database rows) are now instances of the model, instead of being a separate class. This means you can replace User.build() with new User() and sequelize.define with User extends Sequelize.Model. See #5924
# 3.23.2
-[FIXED] Type validation now works with non-strings due to updated validator@5.0.0 [#5861](https://github.com/sequelize/sequelize/pull/5861)
