Betaflight OSD coming out recently.
It comes with onboard SPI ELRS receiver which support ELRS TX module 2.x firmware, and also provide other receiver option like SPI Frsky receiver which support Frsky D8/D16 , REDPINE and SFHSS.
This is an amazing flight controller for Brushless whoop. You could get unbelievable RX and VTX range by using this flight controller.

Brand Name: Happymodel
Item Name: X12 AIO 5-IN-1 Flight controller built-in 12A ESC and OPENVTX
Firmware Target : CRAZYBEEF4FR
Gyro&Acc : BMI270 or ICM42688P
On Board ESC : 12A 4IN1
On Board SPI RX : Frsky D8/D16
On Board VTX : Open VTX
Work Voltage : 1-2s Lipo/LiHV

Built-in 12A(each) Blheli_S 4in1 ESC
Built-in Betaflight OSD(SPI Control)
Built-in 5.8G OpenVTX 0mw~400mw
Built-in ExpressLRS 2.4G,Frsky D8/D16, Flysky AFHDS-2A
Built-in voltage meter sensor , voltage meter scale 110Built-in current meter sensor , current meter scale 470