Can't load Xiao device with latest CircuitPython UF2 file

XIAO resets OK. But when I try to transfer the UF2 file to the device, it just hangs. I tried with 3 brand new Xiao devices. Also tried performing download from Adafruit a couple of times.
Maybe this is a new issue?

Screenshot - 2_24_2021 , 3_50_43 PM