- [BC] Minimum PHP dependency has been raised to 5.5.
- [BC]
PermissionInterface
has been removed from RBAC component. This has been moved to ZfcRbac. Rbac only accepts "mixed"
permission, and it is up to your implementation to decide what a permission is. - [BC] Rbac will now throw an exception if permission is not a string. If you need to do more check, you could use assertions for instance.