お、と思ったら今普通に.pkgでインストールできるようになりました！ @sugigami(susieyy) https://github.com/johnboiles/obs-mac-virtualcam

Creates a virtual webcam device from the output of OBS. Especially useful for streaming smooth, composited video into Zoom, Hangouts, Jitsi etc. Like CatxFish/obs-virtualcam but for macOS. - johnbo...