Certain number of cubes cause FPS to drop on Vision Pro

Reproduction steps:
1. Open the attached “Repro“ project
2. Build the project on “visionOS” platform (File > Build Settings > visionOS > Build)
3. Run the project on Apple Vision Pro device
4. Connect Unity Profiler
5. Instantiate 2500 Cubes using the buttons on the screen
6. Observe Unity Profiler

Expected result: No sudden FPS drops are present
Actual result: After a certain point FPS tanks from 90 to 45

Reproducible with: 1.1.4 (2022.3.20f1)

Reproducible on: MR on Apple Vision Pro - built using M2 Pro macOS 14.2.1 (user’s platform)
Not reproducible on: MR on visionOS 1.1 Simulator - built using M1 Max macOS 14.4.1

Note: This issue was not successfully reproduced by CQA, thus submitted without local reproduction