Before upgrading to MySQL 9.6, review the changes linked in this section to identify those that apply to your current MySQL installation and applications.
Section 1.4, “What Is New in MySQL 9.6”
MySQL 9.5 Release Notes
MySQL 9.4 Release Notes
MySQL 9.3 Release Notes
MySQL 9.2 Release Notes
MySQL 9.1 Release Notes
MySQL 9.0 Release Notes