: In Nintendo's Network Content Metadata (NUS) architecture, v272 maps directly to the final, comprehensive Version 1.47 software update for Super Mario Maker .

In certain digital circles, "v272" is discussed not as a standard patch, but as a "digital legend" among the European building community.

: User-created levels vary wildly in quality; finding "great" levels sometimes requires careful filtering. Super Mario Maker - Video Review (Wii U)

Are you designing this for or preservation emulators ?

This comprehensive guide covers everything you need to know about setting up, updating, and experiencing Super Mario Maker EU v272 with fully functional online capabilities. Why "EU v272" is the Essential Version

Super Mario Maker for Nintendo 3DS was released in December 2016 as a portable counterpart to the highly successful Wii U title. Unlike the Wii U version, which relied heavily on an online server infrastructure, the 3DS version focused on local creation and built-in levels (the "Nintendo 3DS Edition" 100-course campaign).

Pretendo is a major open-source project aiming to replace Nintendo’s online servers for the Wii U and 3DS. According to the official Pretendo compatibility lists, is listed as having "good Pretendo online compatibility," meaning the 100-man challenge and course uploading are stable on this build.