Reflection probes doesn’t project when applied to a translucent material.
While it’s possible to have cubemap-style reflections, read from the nearest reflection probe, they don’t project at all.
The SSR doesn’t work either, and neither does direct reflections from light sources.
It makes it very hard to create convincing flat glass panels!
It works okay on small, curved glass objects, but larger objects and especially flat surfaces are difficult.
Will this be fixed any time soon?
