The Snapshots panel lets you 'save' different raw image processing settings to compare their effects.
In the Develop Persona, the Snapshots panel is visible by default in the right studio.
Snapshots are created manually at any time you choose.
You can quickly compare different processing settings by clicking snapshots on the panel.
After restoring a snapshot, you can make further changes to settings prior to developing your raw image.
In the Develop Persona, the following options are available on the panel: