Intel documentation for Ubuntu 22.04 does list all runtime components needed by the driver and oneAPI Cycles device but end-users getting drivers from (other) sources can easily end-up missing required Level-Zero Loader and struggle root causing what's wrong in their system. Calling this requirement out in the UI will hopefull help them. oneAPI Level-Zero incl. Loader: https://github.com/oneapi-src/level-zero Common package names: level-zero, level-zero-loader