System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.89
Blender Version
Broken: version: 2.93.0 Beta, branch: master, commit date: 2021-05-03 20:45, hash: rB874c70d08813
Short description of error
'volume to mesh' node returns a mesh with no material, and after this node, changing the material_index doesn't work
see the video below:
Exact steps for others to reproduce the error
Open the attached file and turn on and off the geo node modifier as in the attached video