https://academic.oup.com/ije/article/53/6/dyae136/7822310 It’s recent, from 16 October. You should also know that studies are effectively primary sources that have gone through fresh pairs of eyes and reviews are the trustworthy ones, though that also doesn’t necessarily means this one must be untrustowrthy; it just means that time hasn’t told whether it holds.
This is the nature of things in my experience. Next they’ll declare it actually more helpful than they previously thought. Back and forth, like a pendulum.