System Information
Operating system: Windows 10
Graphics card: NVIDIA Quadro M1200
Blender Version
Broken: blender2.8 26d5a3625ed 2018-11-29
Short description of error
The "Shading Mode" and "Proportional Editing Object Mode" both have the same keyboard shortcut, which is the letter O.
Exact steps for others to reproduce the error
Open blender2.8
Hover the mouse over the Proportional Editing Object Mode icon.
The tooltip reports "Shortcut: O"
Now, hover over each of the shading mode icons (Wireframe, Solid, LookDev, and Rendered)
Each tooltip reports "Shortcut: O"
Using the O shortcut toggles the Proportional Editing Object Mode