The experimental features of the Varjo XR plugin use Varjo Native APIs that are still a work in progress. These features are meant for early adopters to trial and test out while the features are still under development.
Caution: Do not use experimental features in production code! These features are not finalized and may change in subsequent releases. Compatibility between software releases is not guaranteed.
Using experimental features of the Varjo XR plugin
To enable experimental features in your project, set the define symbol VARJO_EXPERIMENTAL_FEATURES. You can do this under Project Settings > Player > Other Settings > Scripting Define Symbols.
See Unity’s documentation on Platform dependent compilation for additional information on #defines.