"The eBOSS observations are consistent with the dynamical dark energy probed by our team using the BOSS survey four years ago." What they are referring to her

"The eBOSS observations are consistent with the dynamical dark energy probed by our team using the BOSS survey four years ago." What they are referring to here is a model which is an alternative to having a constant cosmological constant. The takeaway is that they are very confident that dark energy is something whose density can vary in time and space. There has been mounting evidence for this for some time, but it's a departure from the original formulation of general relativity. Here is some more information (2012) https://phys.org/news/2012-11-dark-energy-static-dynamic.html https://phys.org/news/2012-11-dark-energy-static-dynamic.htm...