Operating system: Windows-10-10.0.17134-SP0 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.19
Broken: version: 2.83 (sub 8), branch: master, commit date: 2020-03-11 19:45, hash: rBe6d0a438ab95
Short description of error
selecting a model's face no longer highlights which material is applied to it in the material properties panel
Exact steps for others to reproduce the error
apply two materials to one model, go into edit mode and select a face that has one material and the a face that has the other material. The highlighted material in the material properties panel is no longer updated to reflect which material is applied to the currently selected face like it used to do.