It corrected a notorious save-data corruption bug that plagued PAL-version consoles when using external hard drives.
The search for a specific "v272" update or fix for the European (EU) version of Super Mario Maker reveals that in Nintendo's public patch history. Official updates for the original Super Mario Maker on Wii U typically followed a versioning pattern like v1.00 through v1.60 , while Super Mario Maker 2 for Nintendo Switch ended its major content support with v3.0.0 . super mario maker eu v272 fix
While official patch notes for Wii U games are often sparse post-release, the v272 update corresponds to the tail-end of Nintendo's support for the title. The primary official changes included: It corrected a notorious save-data corruption bug that