Windows strips PreviewSign extension [INFO]

[AdityaMitra5102]

When using the PreviewSign extension over Windows Hello (Windows, not running with elevated privileges), it drops the Extension results. Is it desired behavior as of now till Microsoft fixes it?

[AdityaMitra5102]

C:\Users\adity\OneDrive\Desktop\python-fido2\examples>python sign_arkg.py
New credential created, with the sign extension.
CREATE sign result None
Traceback (most recent call last):
  File "C:\Users\adity\OneDrive\Desktop\python-fido2\examples\sign_arkg.py", line 83, in <module>
    sign_key = sign_result.generated_key
               ^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'generated_key'