Well really the question would be whether it would be an “again”. (Relatively recent) Scholarly research has shown that the ordered and elaborate commemorations of the living and the dead, are to an extent, largely an Eastern thing. By contrast, in Rome, the commemoration of the living was much simpler and only involved the current Roman Pontiff - which tradition we keep until today . Thus while Eastern bishops from the 5th century onward were busy striking off and inserting names into the diptychs as a sign of communion (or lack thereof), there was no such gestures in Rome.
Even if a diptych was maintained, I think the current situation of overlapping jurisdictions makes the situation rather different than it was in the early Church.
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