Reproduction steps:
1. Create a new project
2. Add any Light GameObject to Hierarchy (GameObject > Light)
3. Window > Render > Lighting Search (new Light Explorer)
4. Click “+” button in the Lighting Search window search field and select Light search filter
5. Press “Add column…” button in the Lighting Search window
6. Light > Color
7. Change the color of the Light GameObject in the newly added Color column
8. Observe the Light GameObject

Actual result: Light GameObject color doesn’t change
Expected result: Light GameObject color changes

Reproducible with: 6000.5.0a7
Couldn’t reproduce with: 6000.0.68f1, 6000.3.9f1, 6000.4.0b9, 6000.5.0a6 (No Lighting Search window)

Reproduced on: Windows 11, macOS Sequoia 26.2 (M4)

Note: Issue is not reproducible in Light Explorer window