What's new in UPK 12.1 ESP 3
From UPK wiki
Enablement Service Pack 3 for UPK 12.1 was released in September 2016.
Key changes in this ESP are:
- PowerPoint import: You can now import a PowerPoint presentation and have this automatically converted to a Topic - each Slide will become an Explanation Frame. You can then edit these as normal using the Overlay Editor.
- Ability to manually import content into Knowledge Center
- Windows 10 support
- Microsoft Edge browser support
- Office 2016 support
For more information: Oracle UPK Release 12.1 ESP 3 Official Announcement