Cycle to Cycle Jitter is a feature that was added to the Jitter measurement collection in firmware with Version 1.40 which was released back in June 2022. You can update your MSO58 firmware yourself. The latest version is v1.44. Here are the links to the installers for the embedded Linux OS and the optional Windows 10 OS:
Embedded OS:
https://www.tek.com/en/support/software/firmware/5-series-mso-nonwindows-firmware-v1443
Windows 10 OS:
https://www.tek.com/en/support/software/firmware/5-series-mso-windows-firmware-v1443