There was a bit of a furore when The Binding of Isaac: Afterbirth+ was released in the US for Switch but the European release was pushed back. There is now a confirmed release date, and while it's not exactly imminent it does come with some bonus news.
The Binding of Isaac: Afterbirth+ will get a physical and digital European release on the Nintendo Switch September 7th
The physical release of The Binding of Isaac: Afterbirth+ matches the US release, with a retro game manual, the game, and 2 sticker sheets. It also promises some bonus trinkets, but doesn't go into detail as to what they are