All seven Koopalings were added as boss options, providing variety to the end-of-level encounters that were previously limited largely to Bowser or Bowser Jr. New Power-ups: The update introduced the Super Mario Bros. 2
While Nintendo's official patch notes vaguely stated that "several issues have been addressed to improve the gameplay experience," technical investigations revealed its true intent: SUPER MARIO MAKER 2 -NSP--Update 3.0.2-.rar
If the game asks for a Nintendo Account link or gives a "corrupt data" error, you may need to run Linkalho or reinstall sigpatches. All seven Koopalings were added as boss options,
One of the significant improvements in update 3.0.2 was the enhancement of the game's online features. The update addressed issues related to online connectivity, allowing players to seamlessly share and play levels with others. This was particularly important for Super Mario Maker 2, as its online community is a vital aspect of the game. One of the significant improvements in update 3
Allows creators to build their own "Super Worlds" consisting of up to 40 courses across 8 worlds.
Save data remains fully compatible after the update. Context within the 3.0.x Era