The latest update for Pokémon Scarlet and Violet is now available exclusively on the Nintendo Switch 2. This enhanced version of the games takes advantage of the new hardware to provide better performance and resolution, enhancing the overall gaming experience.
A brand-new Tera Raid Battle event series is also being introduced, featuring Shiny Wo-Chien, Shiny Chien-Pao, Shiny Ting-Lu, and Shiny Chi-Yu. The update can be downloaded now for Nintendo Switch 2 owners, while the Tera Raid Battle event series will begin on July 23 for both Nintendo Switch and Nintendo Switch 2 users.
Source: https://www.ign.com/videos/pokemon-scarlet-and-violet-official-nintendo-switch-2-update-and-the-shiny-treasure-ruin-trailer