https://wccftech.com/monster-hunter-rise-3-0-update-size-officially-revealed/

The Monster Hunter Rise upcoming 3.0 update will require over 1 Gb of free storage space, Capcom confirmed today.

On the game's official Twitter profile, the Japanese publisher confirmed the 3.0 update, which will release before the end of the month, will require 1.4 GB of free storage space. The update has yet to be detailed in full, but it has already been confirmed that it will add new monsters as well as a proper ending.