The update (often labeled v882291 or v1.0.88 in scene releases) is a post-launch patch. Here’s what users have reported and what the patch generally addresses:
This article explores what this significant update brought to the Nintendo Switch version of the game, including stability improvements, bug fixes, and performance tuning. What is Contra: Operation Galuga Update 1.0.882291? Contra Operation Galuga -NSP--Update 1.0.882291...