Reproduction steps:
1. Open the attached “BugRepro” project
2. Open “Scenes/SampleScene” Scene
3. Enter the Play Mode
4. Move the “Slider” GameObject so the value is not 0
5. Observe the Game View

Expected result: Depth of Field is applied gradually according to the slider’s value
Actual result: Depth of Field is applied fully once the slider’s value is not 0

Reproducible with: 2021.3.40f1, 2022.3.35f1, 6000.0.8f1

Reproducible on: Ubuntu 24.04
Not reproducible on: Windows 10