System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1050 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.19
Blender Version
Broken: version: 2.90 (sub 0), branch: master, commit date: 2020-04-23 16:26, hash: rB7d98dfd6bb39
Worked: (newest version of Blender that worked as expected)
Short description of error
I'm not sure, but, if you're interested, I found a few problems.
Watch gif pictures.
From Tools panel and from hotkey E, they work differently. From hotkey E, there remains excess geometry.:
Extra geometry in a difficult place:

