**System Information**
Operating system: Linux-4.19.0-13-amd64-x86_64-with-debian-10.7 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 418.152.00
**Blender Version**
Broken: version: 2.92.0 Alpha,
Broken: version: 2.91
Worked: 2.90 Official
**Short description of error**
In blender 2.90 you can use vertex color in the shader editor when shading hairs.
This seems broken now in eevee, cycles doesn't show this issue.
Screenshot of blender 2.90
{F9527435}
The vertex color allow different colors in the same material,
Same file in blender 2.92 (it's the same in 2.91)
{F9527437}
**Exact steps for others to reproduce the error**
The file used for the screenshots :
{F9527439}