The DLC and update schedule for Splatoon 3 is not officially announced. However, Nintendo typically releases regular updates and DLC packs every few months.
Here's a brief overview of the major updates for Splatoon 3:
This "bonus update" added the classic Urchin Underpass stage and 30 new weapon variants known as the Splatlands Collection .
Native 4K output and consistent 60 FPS in handheld and docked modes. Graphical Fidelity:
Here is the critical caveat. Splatoon 3 is an online-first game. If you install a file but then try to play on official Nintendo servers, you risk a console ban. Most players downloading these files use them for: