Hi VitalyBulgarov,
welcome on board :)
about ground reflections for shadow catcher, we have a different method called Render Layers, here is the link at the Standalone documentation (but the same can be done in any plugin):
https://docs.otoy.com/manuals/products/standalone/v3/using-octanerender ...

Hi there,

I started using Octane about 2 weeks ago and really loving it so far. Still gotta learn a ton of stuff so I'm not sure if what I'm proposing already exists(If yes, any pointers would be greatly appreciated!) .

Here are the 2 features I would love to see:
- Camera Projection for graphics ...