Hello SRK
Staad Pro
After 20.07.08.20 (SS3), Select Series 4 came up . The first release of SS 4 was 20.07.09.11 followed by 20.07.09.20 followed by 20.07.09.21 . the present version is 20.07.09.21.
Staad Foundation
After 5.3 , Staad Foundation Advanced came up with the version 06.00.00.51 followed by 06.01.00.05 followed by 06.02.00.11. The present is 06.02.00.11