Reproduction steps:
1. Create a new project
2. Install AI packages by clicking AI button in the top Editor toolbar and then clicking “Agree and install Unity AI” button
3. AI > Generate > 3D Object
4. Press “Change” button to open “Select AI Model” window
5. Select “Rodin Hyper 3D” AI Model
6. Enter any text in the Prompt field (e.g. “knight riding a horse”)
7. Increase Count value (e.g. “5”)
8. Press “Generate” button and observe the generated results
Actual result: Some generated 3D Objects are not rendered
Expected result: All generated 3D Objects are rendered
Reproducible with: 1.6.0-pre.1 (6000.4.0b12), 2.1.0-pre.1 (6000.4.0b12)
Couldn’t reproduce with: 6000.0.70f1 (No Assistant package), 1.5.0-pre.2 (6000.4.0b12) (Outdated package version warning prevents from opening package related windows)
Reproduced on: Ubuntu 24.04, macOS Sequoia 26.2 (M4), Windows 11