The Release Notes area displays a Change Log workbook containing the Release Notes for all the different major and minor version releases.
Once you click on Change Log, you will see the versions sorted in their default First-Last order - i.e. from left to right and top to bottom, with the latest version in the top left corner:
You can change the sort criteria in the top right hand corner.
To open the Release Notes for a particular version, simply click on it. You are then able to download them as a workbook, image or PDF, or share them: