There are a trio of new features rolling out right now to Project Online – see https://blogs.office.com/2015/12/03/3-new-enhancements-to-project-online/ for more details – but in summary:
- Project IDs – just so you don’t have to invent your own code to do this
- Email notifications – some have seen this already, but should be with everyone now
- New limits for custom fields that can be used for reporting – 450!!!! (You don’t have to use them all