To be clear, this doesn't speed-up pandas, per se. It uses a different library (Modin) as a drop-in replacement:

https://github.com/modin-project/modin

Modin uses Ray, a distributed computation library. There was a similar article on HN a year ago that hyped "making pandas faster" by replacing it with Ray:

https://news.ycombinator.com/item?id=16510610