foliage causing no shadows when WPO is enabled, this is on Vulkan renderer with HW-Raytracing and Megalights in 5.7 preview (build from git @2025-10-18)
it only affects foliage rendering, when dropping the mesh in the level the shadows cast fine with WPO
wpo force enabled with no offset:
wpo disabled:
there have been some commits to the instanced static mesh component lately, which reference ray tracing geometry and WPO, i suspect that something of those changes broke this.