Announcing today the Microsoft Graph Changelog, from now on you will have access to all the changes, updates, and fixes happening to Microsoft Graph. In the first release of the changelog, we are providing you a simple experience to find out all new additions and fixes in since the launch and during the month of December 2015. Going forward we will be adding changes to the changelog as well, so stay tuned! And let us know your feedback.
Check out the change log at https://developer.microsoft.com/graph/docs/overview/changelog.