If you are migrating to Tiki7 from Tiki versions earlier than Tiki6, you are encouraged to read first the pages describing the changes introduced in earlier versions of Tiki, such as:
Tiki 7.3 is includes security fixes for an issue first identified by Stefan Schurtz. All Tiki Administrators using Tiki 7 are highly encouraged to upgrade to this version.
This release does not include any additional enhancements.