The History panel tracks changes and shows each state as a labeled entry in a list. This allows you to return to earlier points in time quickly and easily.
The History panel shows changes that are applied. The oldest state is the topmost in the list. When edits are made, new states are added to the bottom of the list.
If you tap on an earlier state and then make a new edit, any states that originally came after it are replaced with the new state.
Each entry displays a brief description of the edit made to the document. Tap a state to jump back/forward to that edit.
The document's history is always saved along with the document as long as it is open on Home screen, so earlier edits can be returned to at any point in the future.
The following settings are available in the panel: