In “1992” every action records.

In Layers manager, tab Actions, you can see all actions that you did.

Choose and undo a group of actions. Press left click on the action to activate the bookmark. Press on it to undo the actions.
Do the same by double left click on the action.

Also you can rename the action. Left click on the selected action and write the new name.

All the actions record until you save the changes. After save the record starts again.