Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Scenes/UIEnvironment” Scene
3. Select the “Canvas” GameObject in the Hierarchy window
4. Make sure “Render Mode” is set to “Screen Space - Camera” under the “Canvas” component in the Inspector window
5. Open the “UI_Prefab” Prefab in Prefab Mode
6. Select any GameObject in the Hierarchy window
7. Try moving it around in the Scene View
Expected result: The selected GameObject follows the mouse movements accurately
Actual result: The selected GameObject follows the mouse movements with an offset position (sometimes warps to mouse position)
Reproducible with: 2021.3.39f1, 2022.3.30f1, 2022.3.32f1, 6000.0.0b15, 6000.0.5f1
Not reproducible with: 2021.3.38f1, 2022.3.29f1, 6000.0.0b14
Reproducible on: Windows 10, Windows 11 (user)
Not reproducible on: No other environment tested