They work for me on my M2 Air. I will say though that when I first tried it the Launcher would just crash immediately. I re-installed it and it seemed to be okay afterwards and I was able to launch Houdini successfully.
Graham Thompson, Technical Artist @ Rockstar Games
When I install Houdini Launcher on Sequoia it works fine until I update it. Further, I was able to install Houdini with the launcher with Launcher V 20.0.506 M1. Once I go to install HQueue 20.5.332 it states I need to update the Launcher. Once Launcher updates, it fails again...