Please help me!
Directional light can't shines through the glass window when I turn on ray tracing
" Post Process Volume, [Ray Trace Features]
Use Post Process Volumes in your scene to control Ray Tracing and Path Tracing features and properties. Volumes can be added to different areas for interiors and exteriors to apply the features and settings you want.",says [Unreal]
Turn Max Bounces up more than one (Ray Tracing Reflections section). The article goes more in depth of all the settings, but you can play with the settings to get where you want. The more bounces the more the rays will bounce which will cause more computing though, so it’s a balancing act.
Good Luck, hope this helps!