Steps to reproduce:
- Create a new URP project
- Create a new Lit Shader Graph (Assets > Create > Shader Graph > URP > Lit Shader Graph)
- Right-click and add Sample Gradient node
- Click on the Color Picker property next to Gradient (G)
- Change any value, color or mode
- Undo
- Redo
- Observe the HDR Gradient Editor window
Actual results: Redo does not work
Expected results: Redo works
Reproducible with versions: 6000.5.1f1
Can’t test with versions: 6000.0.77f1, 6000.3.18f1, 6000.4.12f1, 6000.6.0a7 (due to [Internal link])
Tested on (OS): MacOS Silicon Tahoe 26.3