Reproduction steps:
1. Open the attached “Ah yes name.zip“ project
2. Select any Sprite and open its Sprite Editor
3. Observe the Editor
Expected result: Sprite Editor window opens
Actual result: Sprite Editor Window popup with a “No Sprite Editor Window registered. Please download 2D Sprite package from Package Manager.” warning appears
Reproducible with: 2021.2.11f1, 2021.3.21f1
Not reproducible with: 2020.3.46f1, 2021.2.10f1, 2022.2.11f1, 2023.1.0b8, 2023.2.0a6
Reproduced on: macOS Monterey 12.6 (Intel), Windows 11 (by the reporter)
Note: Issue stops being reproducible if project is downgraded and upgraded again
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Sprite Editor Window could not be open because com.unity.2d.sprite package is not loaded due to compilation error in the test framework package.