CPX 8.4.x expects the SERtificates to be created using SER10TY 2.4.1 with a link date of 07/2001. If the SERtificates are generated using any other version of SER10TY, the tampering bit will be set and any subsequent comparisons will run without any differences being noted.
It is a comparison tool. As long as it can find the data referenced for the comparison, it will function properly. SERENA has had z/OS 1.8 installed for some time.
It is a comparison tool. As long as it can find the data referenced for the comparison, it will function properly. SERENA has z/OS 1.9 installed and running.
It is a comparison tool. As long as it can find the data referenced for the comparison, it will function properly. Thus far, no issues have arisen with any release of CPX under any versions of any operating system.