https://wccftech.com/monster-hunter-rise-day-1-patch-1-1-1/

Monster Hunter Rise will be receiving a day 1 patch and Capcom has provided additional details about it.

The 1.1.1 update for this week’s Monster Hunter installment on the Switch will weigh in at 600MB. As noted by Capcom, the update is mandatory in order to play the game online and use DLC. Those having purchased the digital version of the game will require around 8GB of free space on the Switch. As such, digital players should make sure that there’s enough space available before downloading the update.