If you’re talking about the release on GitHub, it’s well outdated.
We always push the latest version if Cytopia to itch.io and this works fine.
I’m Cytopias lead dev and I’m on a MacBook M1 with latest OSX
You can't use this version of the application "Cytopia" with this version of macOS.
You have macOS 10.15.7. The application requires macOS 11.6 or later.
The "X" in OS X means version 10.There's no real issue, sorry for the confusion and good luck with your project!