It's because in some cases the driver itself isn't revised from the previous version, and that's all that Device Manager shows you. In this case, if you open the Renesas driver package, extract nusb3hub.sys and nusb3xhc.sys, and view their properties, you'll see 188.8.131.52. Some other aspect of the driver package was updated, but not the driver, and that's not going to reflect in Device Manager. I've seen this happen many times with the Intel NIC driver, too.
Thank you for the explanation.