Reproduction steps:
1. Open the attached “asset_bundle_import_test_2022” project
2. Build, sign and run the Player on a iOS device
3. In the Player on the device, press the “SimpleAssetBundleLoader” Button
4. Observe the Player view

Expected result: The Scene background and a Cube is rendered
Actual result: The Screen turns black and “NullReferenceException” errors are thrown in the Xcode console

Reproducible with: 6000.0.17f1, 6000.0.47f1, 6000.1.0f1, 6000.2.0a9
Not reproducible with: 2022.3.61f1
Couldn't test with: 2023.1.0a1 - 6000.0.16f1 (“PhaseScriptExecution failed …” error in Xcode when building app)

Not reproducible on: macOS Sequoia 15.4 (M1 Max)
Reproducible with these devices:
VLNQA00624, iPhone 16 Pro, iOS: 18.3.1, CPU: Apple A18 Pro
VLNQA00394, iPhone 13 mini, iOS: 18.1, CPU: Apple A15 Bionic
VLNQA00359, iPhone 12 Pro, iOS: 17.6.1, CPU: Apple A14 Bionic

Note: The issue is also reproducible on Android and WebGL, however the reproduction project only contains bundles for iOS and PC testing