TL;DR: Elden Ring Nightreign's first patch addresses day-one issues, including framerate drops on PCs with the latest graphics cards. The update improves gameplay, stability, character handling, ...
Also new is dynamic frame gen, letting you only experience frame gen when needed, and you can apply these updates to old games.
While the patch doesn't actually give away too much about the game, outside of vague descriptions like "Balance adjustments" and "Bug fixes," it does feature a harrowing warning for FromSoftware fans ...