In DELMIA Machine & Tooling Designer (EMR) role (but also in others CATIA design roles), the App ‘Design Review is available.
In few clicks it is possible to compare Version A /Version B with color comparison.
Thanks @LM to share with me this information, I never take time to visit all the EMR Apps L
In V5, this functionality (not exactly the same) is in a costly additional role, it is nice to have this one by default!
R2021x (perhaps also available before, but not checked)