System Information
Operating system: Windows-8.1-6.3.9600-SP0 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 375.70
Blender Version
Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-05-09 06:33, hash: rBf694321db073
Worked: 2.92.0
Caused by rB97defd9cd79b: Cryptomatte: Show Name of Object/Material Under The Cursor.
It works for geometry nodes, View scroll (N-panel).
Broken for shader nodes, modifiers, properties (selecting camera for example). So it is better to check all areas thoroughly.