When executed against an existing package component, the Component History function behaves differently in the ZMF4ECL and ZMF ISPF user interfaces: 
 

• In ZMF4ECL. right-clicking on a component and selecting View – Component History displays history for the current package only. 
• In ISPF, navigating to option 1.6.2 or 5.S2, listing the same package and typing ‘H’ next to the same component results in all cross-application component history being displayed.

ISPF is the more user-friendly behaviour.

Full article: https://portal.microfocus.com/s/article/KM000017227