As of now, Nintendo has not announced paid DLC. However, data miners found files within the referencing "Event Mode" and "Course Maker" strings, suggesting a potential Mario Maker 3 style feature or a Wonder DLC expansion in late 2025.
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A hidden gem in the update log (leaked via dataminers) shows a slight reduction in the "drag coefficient" of Elephant Mario’s trunk. In the original release, the trunk hitbox was overly generous, allowing players to break blocks three tiles away. The v1.0.1 update refines this hitbox to match the visual model. For speedrunners, this changes routes significantly. As of now, Nintendo has not announced paid DLC