This is the public issue tracker, info- and helpdesk and update location of Robin Hood (Linux version). You can find a non-Robin-Hood-specific helpdesk here.
Latest update for the Linux version of Robin Hood CDROM retail version: robin.hood_1.2-multilingual.cdrom_x86-20121119.mojo.run
Desura users will get the updates via the Desura client and as an updated standalone installer.
You can find it here.
Command line switches
You can find them here.