The Linux version of Unity is still far from fully stable as Windows & Mac OS X versions did. It's still not recommended to use the Linux build for production purposes, but you may use it for testing and bug reporting/fixing for better builds, however.

The Linux version of Unity is still far from fully stable, as the Windows & Mac OS X versions are. It's still not recommended to use the Linux build for production purposes, though you may use it for testing, bug reporting and bug fixing.