Macos Sonoma compatibility ?

Eco is _not_ supported on Mac:

Support Status of Eco on different Operating Systems
Windows 10+ (64 Bit): Supported.
Windows 10+ (32 Bit): Supported until Update 9.6 - No longer supported or provided for later Updates.
Linux: Unsupported. Development builds available and provided as-is without warranty. We recommend to use Proton. (Server: Supported.)
Mac without M1: Unsupported. Development builds available and provided as-is without warranty.
Mac with M1: Unsupported. Development builds not working at all, due to ARM processors.

Steam Deck: Unsupported. Compatibility: Playable, no adjustments made. (Windows: Works | Linux: Development build available and provided as-is without warranty.)

Please refer to the system requirements displayed on the store page. It might show somewhere else as "compatible" due to the unsupported developer builds, but that is not official information and we have no influence on it.