After updating to BIOS version 1.29.0 from 1.27.1 I see the following errors on Linux in dmesg every time the charger is connected to any of the USB ports:

[ 1049.293343] ucsi_acpi USBC000:00: unknown error 0[ 1049.293352] ucsi_acpi USBC000:00: UCSI_GET_PDOS failed (-5)

This is observable on Arch Linux running kernel 6.12.17.

The laptop seems to work and charge fine.