The X-Man Volt Square-1 by X-Man Designs and QiYi MoFangGe is the latest Square-1 to hit the market. It features a variety of improvements and tweaks on the original QiYi Square-1, including a widened middle layer, a 6-color assembly design, and an improved anti-pop mechanism.
Jackey Zheng used a magnetized version of this puzzle to set the 4.95 second single square-1 world record in May 2019.
Aka: xman
