The article mentions that the Club3D adapters don't exist anymore (=the popular ones), only off-brand alternatives. VRR is not officially supported via adapters, a big problem for a gaming device.
According to the comments this cable supports VRR:
https://www.amazon.co.uk/dp/B094XR43M5/
Official site: https://www.cablematters.com/pc-1398-154-cable-matters-8k-di...
According to the comments this cable supports VRR:
https://www.amazon.co.uk/dp/B094XR43M5/
Official site: https://www.cablematters.com/pc-1398-154-cable-matters-8k-di...