Pokemon Legends Arceus uses NPLN, Nintendo’s new online networking library for improved online play
GREAT NEWS FOR NSO:
Pokémon Legends Arceus uses NPLN, Nintendo's new and all-around improved online networking library!
Still in beta but used in the Switch version of Monster Hunter Rise already, it brings proper stable connectivity including on mobile networks.
tl;dr at bottom— Thomas (@thomasnet_mc) January 19, 2022