Popcorn.js and kaltura

What is the current level of integration between kaltura and popcorn.js?

Just wondering about this as well as we have a requirement for Kaltura and popcorn.js to work together but i can’t seem to get it working, and everything on Kaltura regarding this seems to be been dormant for several years, e.g. https://github.com/kaltura/popcorn-js

Thanks in advance