6.2.8 Legacy attributes

Because of technical reasons the behaviour of specific features will change vom release to release. In some cases this might have the effect that the same scene will render slightly different when using a different Iray for Maya version. The Legacy attribute will help to recover the "old" behaviour.
Iray Common Legacy UI
Ignore scene units
When enabled, Iray ignores the working units set in the Maya preferences. Enabling or disabling this attribute triggers differences when rendering a scene. The main impact of this attribute is visible when using: