What is the difference between Version 1 and 2.6 for this router? I ordered one from Amazon at the end of January and got v1 (actually v1.6 on the box). Seeing that there was a v2.6 with apparently...

I just received a new Archer AX55 from Amazon. It is shown as V1.6. However, on the firmware download site I see that versions V1 and V2.6 are listed, with the firmware date for V2.6 listed as...