Operating system: Linux-5.10.30-1-MANJARO-x86_64-with-arch-Manjaro-Linux 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.67
Broken: version: 2.83.13, branch: master, commit date: 2021-03-09 07:21, hash: rBbb5004673085
Worked: (newest version of Blender that worked as expected)
Name: Import AutoCAD DXF Format (.dxf) (0, 9, 6)
Author: Lukas Treyer, Manfred Moitzi (support + dxfgrabber library), Vladimir Elistratov, Bastien Montagne, Remigiusz Fiedler (AKA migius)
Short description of error
Import creates a grey/white mess
Exact steps for others to reproduce the error
Create a dfx of two lines/objects. one with standard layer.
Create a new layer in a different color.
Assign second object to the new layer
import into blender
see white/gray mess
the dxf file format does allow color information to be saved. Layers have a default colour and objects can have their colour over ridden. This information is saved in the dxf