How to reproduce:
1. Open the user’s attached “Ray timing demonstration.zip” project
2. Enter Play Mode
3. Place the cursor near the arrow where “Hold mouse cursor here ->” text is
4. Press the spacebar button
5. Observe the Game window

Expected result: The Cube in the middle doesn’t change its color
Actual result: The Cube in the middle does change its color

Reproducible with: 2021.3.32f1, 2022.3.14f1, 2023.2.1f1, 2023.3.0a15

Reproduced on: macOS 13.5.2 (Intel)
Not reproducible on: No other environment tested

Notes:
- this happens both using simply an “OnMouseEnter” event on the target object or a direct raycast from the camera itself onto the object (user’s info)
- reproducible in the Editor and Standalone Player (macOS)