Update : GNS3 v2.2.26 has been released a few daysago for download on Github.
Packet Tracer 8.0.x includes a new SDN network controller as well as REST API programming capabilities. Upgrade is advised for Cisco DevNet DEVASC and CCNA 7.0.2 students. has been released as a maintenance release of Cisco Packet Tracer 8.0.0. Update : Cisco Packet Tracer 8.0.1 build 8.