D.va players might have noticed that her defense matrix, wouldn’t be able to protect teammates, in certain distances or situations, despite them being in range.
it would case a lot of frustrating deaths, and with Overwatch’s favor the shooter system, it wouldn’t make it much better.
Good news is, Blizzards has been aware of this and are going to be changing it.
in this battle.net forum post a blizzard Dev responded and acknowledged the issue that D.va players have been having with this inconsistency on D.vas defense matrix.
Sure it might not seem like that big a deal, to most people, but considering that in a competitive environment, every split second counts, and every little decision could help or hurt you, it would probably be for the best for it to be fixed, or else it could be one of those small annoyances like Road hog being able to hook you across dimensions