He still says Metroid Prime 4 is releasing next year... "2018 and beyond" only seems to clarify Pokemon's situation there.
http://gonintendo.com/stories/283466-nintendo-pegs-metroid-prime-4-pokemon-switch-for-2018-update
A Nintendo rep reached out to us with the following statement.
No change in what we announced last week, which is that those two games are coming, but they have no specifically announced release window/year.