Someone needs to cut their nails.
That's you know it's a legit leak!
Green dot represents v2.0 of the adapter. Product looks exactly the same on the exterior so they needed a way to show it. Small enough to not be too eye-popping but different enough to notice it.
Can't recall what the issue was before.
The green dot signifies that your charger is the newer kind, which has redesigned plugs that won't break off in the plugin. There was a recall for something like that.