GoPro released the latest firmware update v2.0 on 27 August 2020. The main new feature is enabling Hero 8 Black to function as a webcam.
Latest firmware v2.0: https://gopro.com/en/sg/update/hero8-black
GoPro Webcam Desktop Utility: https://community.gopro.com/t5/en/Introducing-GoPro-Webcam-Beta/ta-p/633649