Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Scenes/SampleScene.unity” Scene
3. Enter the Play Mode
4. In the Game view, hold the right mouse button and move the mouse to rotate the camera
Expected result: The camera gets rotated
Actual result: The camera is not moving
Reproducible with: 5.1.4 (2021.3.39f1, 2022.3.34f1), 6.0.2 (6000.0.7f1)
Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested
Workaround:
1. Enter the Play Mode
2. Open the Input Debug window (Window > Analysis > Input Debugger)
3. Click “Options”
4. Click "Simulate Touch Input From Mouse or Pen"
5. Click “Options”
6. Click "Simulate Touch Input From Mouse or Pen" to disable it