Hello,
We are aware that YouTube has restricted certain aspects of their RSS feeds that affect external users ability to play videos. We believe this should only affect RSS feeds that are created within the YouTube account. You can try to manually configure your own RSS feed which may work in the interim.
Code:
<rss version="2.0" xmlns:jwplayer="http://rss.jwpcdn.com/">
<channel>
<item>
<title>LongTail Video | Home of the JW Player</title>
<description>World-renowned developer Jeroen JW Wijering co-founded LongTail Video to develop and distribute the worlds best media players.</description>
<jwplayer:source file="https://www.youtube.com/watch?v=LnhMLYQl2Rk" />
</item>
<item>
<title>LongTail Video - AdSolution - Post-Roll </title>
<description>LongTail Video, the creators of the first open source FLV Player, the JW Media Player, is proud to announce a new monetization tool - the LongTail AdSolution.</description>
<jwplayer:source file="https://www.youtube.com/watch?v=EIcBzYwUY2M" />
</item>
</channel>
</rss>
support.jwplayer.com/customer/portal/art...2-rss-playlist-embed