System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 445.87
Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-05-30 11:23, hash: rB63bcee81f624
Worked: (?)
Short description of error
The Eyedropper tool in the shader Editor will not give right colors from another blender instance.
Exact steps for others to reproduce the error