- change(model): setDataValue should not mark null to null as changed [#9347](https://github.com/sequelize/sequelize/pull/9347)
- change(mysql/connection-manager): do not execute SET time_zone query if keepDefaultTimezone config is true [#9358](https://github.com/sequelize/sequelize/pull/9358)
- feat(transactions): Add afterCommit hooks for transactions [#9287](https://github.com/sequelize/sequelize/pull/9287)
### 5.0.0-beta.3
### 5.0.0-beta.3
- change(model): new options.underscored implementation [#9304](https://github.com/sequelize/sequelize/pull/9304)
- change(model): new options.underscored implementation [#9304](https://github.com/sequelize/sequelize/pull/9304)