Nintendo hat Update 1.0.1 für Mario & Luigi: Brothership veröffentlicht. Die englischen Patchnotes sehen so aus:

Bug Fixes

• The player couldn’t acquire Luck Charm DX, even when reaching 100 or more in Hammer Rally.
• The damage counter for Luigi’s Bros. Attack “Jump Helmet” would only display a single number place value.
• Killing a Mega Snaptor with “Surprise Iron Ball” while having the Battle Plug “Coinpiler” equipped resulted in the player earning no experience points.
• Defeating all monsters with the Battle Plug ”Countdown to Crush” and causing multiple items to drop, while completing a Challenge at the same time, resulted in not being able to receive Challenge rewards, soft locking the game.
• The fifth Power Tap was able to be acquired earlier than intended.
• The boss battle in Color-Full Sea Great Lighthouse was not occurring in the intended location, blocking game progress.
• Attempting to call Luigi back in the cave on Skorcheen Island would cause the process to recur repeatedly, blocking game progress.
• Players were prevented from progressing further during the IDLE Group’s first appearance event on Desolatt Island.
• Additionally, other bugs have been fixed.