A: Highly unlikely. Nintendo has shifted resources to Switch 2 development and other IPs. 1.0.3 is considered the final, definitive version of Miitopia on Switch.
While Miitopia did not receive major DLC expansions, represents the final and most stable version of the game. This patch was released in late 2021 to address post-launch stability. Key changes include: Miitopia SWITCH NSP -Update 1.0.3-