User blog comment:Kirkburn/Technical Update: June 4, 2013/@comment-1158325-20130611092125/@comment-5275700-20130611161044

Answers:

At this time, YouTube tags in templates will not be converted.

It is not possible to rename videos from the Wikia Video Library. However, videos from YouTube can be renamed via the File page.

Check out this week's Technical Update for more news on YouTube conversion.