„8852BE“ „Bluetooth“ version mystery.

This will most likely sound weird, but, I have an „ASUS TUF B650 PLUS-WIFI“, so logically it has built in „Bluetooth“ and „Wi-Fi“, the stupid thing of course is that the device name has „BE“, not „AX“, but whatever.
The weird thing, that I found out, is, can the „Bluetooth“ version be upgraded from driver updates? The datasheet says „Bluetooth 5.2“, but „Windows“ and device manager say:
The LMP in device manager is also 13.35575, which matches „Microsoft“ documentation for „Bluetooth 5.4“.

It seems unlikely, but in the same fashion that an „BIOS“ update on this same motherboard gave „PCIe 5.0 x16“+„PCIe 5.0 x4 *2“, it would not be out of question, that this is possible.
Is there any way to test if „Bluetooth 5.4“ functions are available as they would with a device that shipped this later version? Because if this is the case, then why don't phones and other such devices just update from „Bluetooth 5.2“ to newer versions, though with „Bluetooth 6.0 and 6.1“ I am not sure.
Device names:
„Realtek 8852BE Wireless LAN WiFi 6 PCI-E NIC

Realtek Bluetooth Adapter“

Is this a „Realtek“ thing or is it also valid for „Mediatek“ and „Qualcomm“? I do also have a device with „Intel AX210“ and it does not appear to have it's „Bluetooth“ version „upgraded“.