11.6.6

Incoming box settings of various mail services removed additional target addresses for simplicity reason. Configure mail relay/forward at mail server side if you are using this feature previously

11.6.0

SQL Server support is removed due to added complexity and inability to test with full version. If you are using SQL Server, please switch to use MySQL/PostgreSQL/MariaDB

11.5.0

Guest concept is removed as administrator can create read-only roles achieving same purpose. If you are limiting user permissions via guest option, please make sure to assign those users appropriate roles before upgrade