This feed does not validate.
<published>2019-12-04T03:14:08+00:00</published>
^
<feed xmlns:yt="http://www.youtube.com/xml/schemas/2015" xmlns:media="http:/ ...
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations.
<feed xmlns:yt="http://www.youtube.com/xml/schemas/2015" xmlns:media="http:/ ...
... l?channel_id=UCnQjhIjd_UUtDQZVcmRLKqw"/>
^
<id>yt:channel:nQjhIjd_UUtDQZVcmRLKqw</id>
^
<?xml version="1.0" encoding="UTF-8"?>
<feed xmlns:yt="http://www.youtube.com/xml/schemas/2015" xmlns:media="http://search.yahoo.com/mrss/" xmlns="http://www.w3.org/2005/Atom">
<link rel="self" href="http://www.youtube.com/feeds/videos.xml?channel_id=UCnQjhIjd_UUtDQZVcmRLKqw"/>
<id>yt:channel:nQjhIjd_UUtDQZVcmRLKqw</id>
<yt:channelId>nQjhIjd_UUtDQZVcmRLKqw</yt:channelId>
<title>Deveondi</title>
<link rel="alternate" href="https://www.youtube.com/channel/UCnQjhIjd_UUtDQZVcmRLKqw"/>
<author>
<name>Deveondi</name>
<uri>https://www.youtube.com/channel/UCnQjhIjd_UUtDQZVcmRLKqw</uri>
</author>
<published>2019-12-04T03:14:08+00:00</published>
</feed>