Steps to reproduce:
1. Open the “LightmapLeak_Small” project
2. Open “PVP04_Clubhouse” scene in Assets/Scenes/01_PVP/PVP04_Clubhouse folder
3. Click on the Engine Support → Bake Sync menu item
4. Observe the Editor.log file
Expected result: The Progressive GPU lightmapper completes successfully and releases memory correctly
Actual result: Throws “Not enough GPU memory to fit lightmap in memory, even in tiled baking mode” error
Reproducible with: 2020.3.43f1
Could not test with: 2021.3.16f1 (stuck on Hold on), 2022.2.2f1 (stuck on Hold on), 2023.1.0a25 (stuck on Hold on)
Reproduced on: Windows 10 (GTX 1080)