Who already flashed INAV 9.1, which Configurator did you use so the versions did not drift? I checked the official files at inavflight.net. You want the INAV firmware for a wing or a quad, not a racing profile.
Where is the current INAV setup guide, not a three-year-old translation? I needed firmware 9.1, the Configurator and Getting Started for the flight controller. Found them at inavflight.net and that is what I am flashing.
INAV and Betaflight are different. Use INAV when you need navigation, a plane, a VTOL or a rover. I only download the flight-controller firmware, the Configurator and the 9.1 docs from inavflight.net. Old forum copies are not worth it.