Calliope mini V3 pulls not set

[MKleinSB]

Describe the bug
setting the pull of a digital pin to high and reading it doesn´t work. Tested with P0-P3 and C8/C9/C13/C14 which are "free" pins at Calliope V3.
In the following configuration it shows A without shorten C8 to ground.
Testing the other pins shows that they might not be pulled up, they are alle Low.

Expected behavior
should be able to set pull up

Device information
Windows 11, Calliope mini V3, latest Firefox