In 8.2 the Nullification Dynamo Azerite Essence minor passive shield would lose health and eventually explode removing the shield around your character and removing the UI icon from your buff bar.
Now in 8.3 the shield stays around your character and the buff bar icon sits on you at 0 HP. The shield still explodes and deals damage but no longer absorbs anything since it’s sitting at 0 HP.
This is clearly wrong, is inconsistent with the 8.2 effect, and leads the player to believe they are protected when they aren’t.