Operating system: Win10
Graphics card: nVidia Quadro 600
Broken: 2.80 (sub 41), branch: master, commit date: 2019-01-16 19:04, hash: 8ba86020cc50
Short description of error
The tool system's "Spin" and "Spin (Duplicate)" operators are the same. In other words they do the same thing by default. I believe that "Spin (Duplicate)" should have the "Dupli" option checked/set to True, but this is not the case.
Additionally, it would be best to spell out "Dupli" in the UI -- "Use Duplicates" would be my suggestion.
Exact steps for others to reproduce the error
- Start with default .blend
- Go to Edit mode on cube
- Try to use the Spin or Spin (Duplicate) operators from the new T-panel
- Observe that, by default, they both do the same thing and have the same settings