System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1070 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 496.13
Blender Version
Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-10-11 23:14, hash: rB4b31a21bcd19
Worked: (newest version of Blender that worked as expected)
Short description of error
Shadow catcher not working in 3.0 alpha
Exact steps for others to reproduce the error
Add HDRI. Make shadow catcher. Render.