Atelier Lydie & Suelle: The Alchemists and the Mysterious Paintings from Gust Co. has finally gone gold and is ready to ship in Japan next month for the Nintendo Switch on 21 December 2017.
In a Weekly Famitsu article and translated by Gematsu, the game has completed its development. It also revealed that a few familiar characters will be making a reappearance in the new game. The characters are Hagel Boldness, Pamela Ibis, and Corneria.
As for localisation, the game is expected to launch in the West early next year. You can read the translated piece from Gematsu here.