Path tracing Shadow Jaged

Hey there,
I’m on 5.2 preview (try with 5.1 it’s same)
I don’t understand why when I activate the path tracer I have a weird shadow with the dynamic shadow , it’s like if my mesh has hard normals…
With lumen I have not the probleme … it’s a bit similar at the r.raytracing.NormalBias issue but I don’t know how to fix that with the path tracer …
If someone have an idea … :slight_smile: