What differences are there in the required authorizations for Transaction 10.X and Studio 11?
Winshuttle Function Module, Studio, Transaction
Follow the link to the installer for the current Winshuttle Function Module which relates to your SAP Basis version, to see the required authorizations.
Note from the Winshuttle Custom Roles document in the install file for Studio 11 that the authorization roles are automatically generated by installing Studio 11. As mentioned in What authorizations are needed for Transaction the authorization roles have to be created manually in Transaction 10.X.