Hi,
No, it is not new, I boot tested Linux 5.4.0 and Linux 5.3.1 as well. I got the same error:
[ 0.275651] platform MSFT0101:00: failed to claim resource 1: [mem 0xfed40000-0xfed40fff] [ 0.275657] acpi MSFT0101:00: platform device creation failed: -16
Thank you
Regards, Madhuparna