Reproduction steps:
1. Open the “ASDQWE” project
2. Select the “Assets/Mobile_Renderer” asset
3. In the Inspector Window check the “GPU Occlusion Culling” setting checkmark
4. Open the Build Profiles Window (File > Build Profiles)
5. Make an XCode project by pressing the “Build” button
6. Open the project in XCode
7. In XCode, build the project for the device
8. Observe the Player

Expected result: The mesh of the car is constantly visible
Actual result: The mesh of the car disappears or flickers and reappears only when falling

Reproducible with: 6000.0.27f1, 6000.1.0a4
Could not test with: 2021.3.46f1, 2022.3.52f1 (Multiple compilation errors)

Reproducible environment: MacOS 14.6.1 Intel, M1 (user’s)
Not reproducible environment: No other environment tested

Reproducible on:
iPhone 15 Pro Beta - iOS: 18.2
iPhone 15 Pro Max Beta - iOS 18.2
iPhone 13 - iOS 18.1
iPhone 12 Pro - iOS 17.7
iPhone 12 mini - iOS 16.6
iPhone 14 Pro (user’s)

Not reproducible on:
VLNQA00175, Samsung Galaxy Note9 (SM-N960F), Android 10, CPU: Exynos 9 (9810), GPU: Mali-G72
VLNQA00519, Google Pixel 4 (Pixel 4), Android 12, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00372, Samsung SM-G991U (SM-G991U), Android 12, CPU: Snapdragon 888, GPU: Adreno (TM) 660
VLNQA00382, Apple iPhone 7 (iPhone9,3), Android 15.8.3, CPU: Apple A10 Fusion, GPU: Apple A10 Fusion
iPhone 7 - iOS 15.7.6
iPhone 6S - iOS 15.7.6
MacOS Buildtime

Workaround: Disable the GPU Occlusion Culling