Operating system: Windows-10-10.0.17763 64 Bits LTSC
Graphics card: GeForce RTX 2060 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86
Broken: version: 2.81 (sub 12), branch: master, commit date: 2019-09-27 22:44, hash: rB1c1a3198af9d
Weird shadows still there, from beginning of early 2.8
Open .blend and try to look from close up angles. If issue is known then please close this.