Eurogamer: “I asked CD Projekt Red the question this afternoon. “There are no plans to release Thronebreaker on any other platforms than PC (GOG.COM), PlayStation 4 and Xbox One,” a spokesperson replied. No “yet”, no “currently”. I wonder what the issue is? CDPR had nothing to add.”
Source: N4G PC Don't get your hopes up for Thronebreaker: The Witcher Tales on Nintendo Switch