How to reproduce:
1. Open the “IN-44553_repro.zip“ project
2. Open the “New Timeline“ asset
3. Observe the Animation Track
Expected result: Buttons are seen on the Animation Track
Actual result: Buttons are not seen on the Animation Track
Reproducible with: 1.7.2 (2022.2.0b10), 1.7.5 (2022.3.6f1), 1.8.2 (2023.1.7f1), 1.8.4 (2023.2.0b3)
Not reproducible with: 1.6.5 (2021.3.29f1), 1.7.2 (2022.2.0b9)
Reproducible on: Windows 10, Windows 11
Workaround: Remove the Library folder before opening the project or Reload Domain after opening the project
See comments for a detailed breakdown of my investigation for this bug (from [Internal link] )