Everything we know about Cornerstone on Demand and Storyline!

Thanks Will and Julie for that info - I gave it a test with a Rise course I had which included a Storyline block and I didn't have an additional player-interface.js file. Here's a screenshot of the same spot in the Assets folder you mentioned:

Could you share a copy of your Exported Rise zip with me, so I could take a look at that one? Also, I'll test uploading it to SCORM Cloud to see how it behaves.