"When you click the button to open one of the interactive videos, the video plays normally. But if you exit out of the interactive video and return to it, the video plays but the playback bar no longer moves, and none of the interactions appear."
Issue reported in: https://h5p.org/node/350340
Test content: https://h5p.org/node/350584
I was able to reproduce the issue here: https://h5p.org/node/350600
Issue is only present if the video is hosted in Youtube