Requiring pins on only key duo doesn't work

I’m trying to test if the only key duo can use my pgp keys, but both the agent and the webcrypt askfor a pin you cannot actually enter anywhere. The duo only has 3 buttons, so typing a 4 or a 6 isn’t an option. The agent seems happy with a button press at times.

Can this please be fixed?

PIN may be entered via OnlyKey App or by physical touch. Touch buttons 1, 2, 3 to enter 1, 2, 3 and hold (for 1 second) buttons 1, 2, 3 to enter 4, 5, 6.

The default is no challenge PIN on OnlyKey DUO. So yes just a single press is required. You can enable the challenge PIN but entry can be tricky as mentioned above you have to hold to enter 4, 5, or 6.