Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32h7/STM32H723/FDCAN1/FDCAN_CREL#0x0
FDCAN Core Release Register
Timestamp Day
Timestamp Month
Timestamp Year
Sub-step of Core release
Step of Core release
Core release
https://github.com/modm-io/cmsis-svd-stm32