In this version of the XignSys SDK the handling of revoked authentication factors has been improved. A new function has been added that can be used to check whether a factor has been revoked - was once enrolled and then has been removed. Furthermore, the transmitted Firebase push token to the XignIn-Manager has been made accessible, so that a push token update can be implemented more easily. Note that these new additions are not retroactively and therefore take only hold after the configurations have been updated, e.g. after the Firebase push token has been updated or after a new personalization/activation.