However, the reality is harsh: Every update patches exploits. Every new version increases telemetry. While you can technically find and install the latest Pokémon HOME NSP update today, doing so on a console connected to the internet is akin to playing Russian roulette with your hardware’s online privileges.
In the homebrew and emulation community (Yuzu, Ryujinx, or CFW on an actual Switch), users search for "Pokemon Home Switch NSP Update" to keep their offline or unauthorized version of Pokémon HOME functioning. Pokemon Home Switch NSP UPDATE