**System Information**
Operating system: Windows-10-10.0.19043-SP0 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.07
**Blender Version**
Broken: version: 3.0.0, branch: master, commit date: 2021-12-02 18:35, hash: `rBf1cca3055776`
Worked: (newest version of Blender that worked as expected)
**Short description of error**
When using the Principled BSDF (transparency=1) or the Glass BSDF with Multiscatter GGX the shader converges to a different result than GGX or Beckman.
**Exact steps for others to reproduce the error**
{F12933566}
Switch between the Multiscatter GGX and GGX or Beckmann to see the difference. GGX and Beckmann converge to the same result. The difference is especially visible at Suzanne's right eye.
Part 1: https://developer.blender.org/T96602
Part 2: https://developer.blender.org/T96603
Part 2: https://developer.blender.org/T96604
Thank you and have a great day!