so first off this is not my idea someone I was playing with had this idea and I thought it was worth mentioning,

so chip damage needs to happen and I understand why chip damage isn't already more of an important part of this game, 4v4's, even a slight increase to chip damage could and would break 4v4 game modes, but that can be balanced easily, heroes your not currently locked onto do less or no chip damage too you

another chip idea I've mentioned before and again not my idea, in addition to a moderate increase to the base chip damage you should further increase chip damage to opponents who are out of stamina so that every character has universal pressure for out of stamina opponents

and one last thing to mention, if ubisoft is indeed taking the chip damage route to fixing the defensive meta it should be noted that not all heroes should do the same amount of chip damage, it should be based on that heroes speed, move set, health, and other factors I've not thought of