Reproduction steps:
1. Open the attached project "ReproProj"
3. Build and Run the “/Assets/HairSampleNoXR.unity” Scene

Expected result: Hair is present
Actual result: Hair is not visible

Reproducible with: 6000.0.20f1 (user reported)

Reproducible on:
Windows Standalone Player (user reported)

Testing environment: Windows 10 (10.0.19045) 64bit (user reported)
Not reproducible on: No other environment tested

Notes:
- Does not reproduce when HQ Line Rendering is disabled in "Global Volume"
- Scene is flashing when built for XR
- CQA could not test due to the build failing with Error “Error building Player: Error while saving Prefab: 'Assets/Samples/Demo Team Hair System/0.17.0-exp.1/Minimal Hair Sample/Prefabs/Hair.prefab'“