Steps to reproduce:
1. Create new Unity project using Universal 2D Template
2. Import provided Sprite Asset “bird_anim_01.aseprite”
3. Select it in the Project window
4. Observe the Sprite in Inspector’s Preview window
Actual results: Sprite is not rendered in the Preview window and is shown in black color
Expected results: Sprite is rendered in the Preview window and is shown with its colors
Reproducible with versions: 6000.5.0b6 (81a3023a9d59), 6000.6.0a4
Not reproducible with versions: 6000.4.5f1, 6000.5.0b5 (68fb1ff6adb3)
Tested on (OS): macOS Silicon Tahoe 26.4.1