Nintendo confirmed in September 2019 that Xenoblade Chronicles: Definitive Edition will arrive on Nintendo Switch throughout 2020; however, the company has not yet pronounced with a more specific date.
While we are still waiting, a Danish retailer named CoolShop has listed Xenoblade Chronicles: Definitive Edition
It would not be the first time that any retail store, regardless of the country, filters the release date of a game. However, it could also be a placeholder for the record, so we will wait for future declarations of Nintendo
Via.