If you are looking for gameplay content like or Keys , these were built-in from the start in the 3DS version rather than being added in later patches like they were on the Wii U.
Because the 3DS version famously lacked the ability to upload levels to a global server, StreetPass and local wireless were the primary ways to share your custom creations. This update ensured that the core "Share" pillar of the game remained stable for the handheld community. Key Context for 3DS Version 1.05:
While version 1.05 of is primarily a technical update rather than a content drop, its most significant "feature" was the critical fix for StreetPass functionality . Super Mario Maker Update v1.05 3DS (EUR/JPN/USA...
1.05 (Released March 23, 2021) Addressed an issue involving StreetPass functionality. Nintendo Support How to Update Super Mario Maker for Nintendo 3DS
Are you planning to locally with friends, or are you mostly playing through the 100 Nintendo-made stages ? How to Update Super Mario Maker for Nintendo 3DS If you are looking for gameplay content like
: By fixing StreetPass issues, the update preserved the unique Local Play Collaboration feature, which allows two players to team up to build a course together—a feature not found in the original Wii U version.
: It was released on March 23, 2021 , specifically to maintain connectivity as other legacy services changed. Key Context for 3DS Version 1
: You must have this update installed to access any remaining online features of the game, including downloading Recommended Courses and the 100 Mario Challenge .