youtube's html5 videos Rated 5 out of 5 stars

Is there a bug while I'm watching youtube's html5 videos? It autoplayed another audio in the background. Even I pressed pause, it was still playing until the tab closed.(no problems with flash videos)

This review is for a previous version of the add-on ( 

youtube's html5 videos bug

Thanks for the info. I had found a way to deal with this, try this:
We had submit a bug as to make the similar works easier.