Yubikey passthrough to appvm

hey,
got some troubles with my yubikey, everythings working fine in the sys-usb appvm but i set up for some websites (like linkedin or youtube) that if i want to log into my accounts i have to press my yubikey as mfa.
but if my browser is requesting this my yubikey isnt blinking (its blinking if i have to press my yubikey)
i hope you understand my problem :slight_smile:

EDIT:
sorry i forgot to say i was already trying to setup my u2f proxy as explained here:

Hi !

I just installed u2f proxy on Qubes 4.1 and got started with yubikey and have the same issue.
The request is made by the browser, I touched the key (that starts blinking) but the response is not received by the browser (unless I attach the key to the qube, which is not the goal).

Did you manage to solve this ?