DJI’s new robovac can climb obstacles, vacuum quietly, and claims much improved privacy

DJI has announced a second generation of its Romo robovac. The Romo 2 series is quieter, more powerful, and better at climbing over small steps and other obstacles. But more importantly for DJI, a new local-only data mode should go some way to reassuring anyone concerned by the first Romo's serious security flaws. There are actually two new Romo models, the transparent P2 and the opaque A2. Both benefit from improved navigation, apparently able to avoid cables and other obstacles as small as…