-[ADDED] Define field dependencies for VIRTUAL types that are automatically pulled into `attributes`[#4420](https://github.com/sequelize/sequelize/pull/4420)
-[FIXED] Fall back to a default version when parsing the DB version fails [#4368](https://github.com/sequelize/sequelize/issues/4368)
-[FIXED] Fall back to a default version when parsing the DB version fails [#4368](https://github.com/sequelize/sequelize/issues/4368)
-[FIXED] Fix a bug where passing null as the second parameter to `sequelize.where` would fail [#4334](https://github.com/sequelize/sequelize/issues/4334)
-[FIXED] Fix a bug where passing null as the second parameter to `sequelize.where` would fail [#4334](https://github.com/sequelize/sequelize/issues/4334)
-[FIXED] An error is thrown if a column called `id` is added, but not marked as primary key, and no other pk is present. [#4139](https://github.com/sequelize/sequelize/issues/4139)
-[FIXED] An error is thrown if a column called `id` is added, but not marked as primary key, and no other pk is present. [#4139](https://github.com/sequelize/sequelize/issues/4139)
