Upgrading from 6.x to 7.0

You can find a complete list in Changelog

Use native UUIDs in database via ramsey/uuid https://github.com/dotkernel/api/pull/456
updated readme, oss https://github.com/dotkernel/api/pull/461
PostgreSQL implementation https://github.com/dotkernel/api/pull/462
Remove MethodDeprecation implementation https://github.com/dotkernel/api/pull/470
Clarify instructions regarding multiple connections in config/autoload/local.php.dist https://github.com/dotkernel/api/pull/472