Reproduction steps:

# Open the attached project
# Open the “/Assets/TestTextureArray.unity” Scene
# Enter the Play Mode
# Make sure that “Create Depth Only” and “Show Depth” are checked in the upper-left corner of the Game View
# Observe the squares in the Game View

Expected result: All squares are red and their brightness decreases
Actual result: The first square is grey and all of the other ones are black

Reproducible with: 2021.3.10f1, 2022.1.17f1, 2022.2.0b8, 2023.1.0a11
Could not test with: 2020.3.39f1 (couldn’t downgrade due to missing required properties/features, thus the errors in the script)

Reproducible on: M1 MacOS 12.4 (21F79)
Not reproducible on: Windows 10 (21H2), Intel MacOS 12.4

Note: This issue is reproducible on Intel and Apple Silicon Editors on M1 Mac