Cycles X :
Test builds:
Windows: https://builder.blender.org/download/cycles-x/cycles-x-blender-3.0.0-1dea1d93d39a-windows64.zip
Linux: https://builder.blender.org/download/cycles-x/cycles-x-blender-3.0.0-1dea1d93d39a-linux64.tar.xz
Mac: https://builder.blender.org/download/cycles-x/cycles-x-blender-3.0.0-1dea1d93d39a-macOS.dmg