Google voice wifi calling airplane mode broken

Latest google voice app.

Issue: When phone is in airplane mode and gv configured to make calls using data/wifi, outbound calls don't work. App comes back with message to disable airplane mode. Calls are being attempted from within the gv app itself, not reg dialer.

I tested this on several other phones (axon 7, s9+), and both appear to place calls correctly with wifi on/airplane mode.

Inbound calls ring just fine on the 7t in airplane mode.

Thoughts?