Hello
Answered here:
https://community.hitachivantara.com/s/question/0D52S00008lmNKDSA2/may-i-know-if-we-would-encounter-problems-if-we-are-going-to-upgrade-our-old-hdid-version-520-into-65-version-and-whether-there-should-be-considerations-for-this-plan-before-its-implementation