We got dates and details, though let's hope for some surprises.
http://www.nintendoworldreport.com/news/71053/free-updates-for-switch-1-games-on-switch-2-detailed
Nintendo announced free updates for several Switch 1 games to support Switch 2, and the details have now been revealed.
A webpage which identified the games previously has updated with a release date - June 5, the Switch 2 launch day - and the nature of the improvements.
The updates and games they apply to are:
- Framerate improvements: ARMS, Pokémon Scarlet / Violet, Super Mario 3D World + Bowser's Fury
- Visual fidelity improvements: ARMS, Captain Toad: Treasure Tracker, Game Builder Garage, New Super Mario Bros. U Deluxe, Pokémon Scarlet / Violet, Super Mario 3D World + Bowser's Fury, Super Mario Odyssey, The Legend of Zelda: Link's Awakening, The Legend of Zelda: Echoes of Wisdom
- HDR support: ARMS, Captain Toad: Treasure Tracker, Bowser's Fury (specifically), Super Mario Odyssey, The Legend of Zelda: Link's Awakening, The Legend of Zelda: Echoes of Wisdom
- GameShare support: Big Brian Academy: Brain vs Brain, Captain Toad: Treasure Tracker, Clubhouse Games: 51 Worldwide Classics, Super Mario 3D World + Bowser's Fury, Super Mario Odyssey
- Mouse support with Joy-Con 2: Game Builder Garage
