Looks like Apple might be upgrading the Lightning plug. An Interesting thing is this one has some short of a vacuum seal to make it water tight requiring a internal release to unlock it.
https://www.forbes.com/sites/gordon...ghtning-port-change-end-iphone-ipad-ipod/amp/
https://www.forbes.com/sites/gordon...ghtning-port-change-end-iphone-ipad-ipod/amp/