Description of problem:
The News & Blogs was missing from new accounts in thunderbird.
I was experiencing same bug as this debian user:
Debian already have a fix released, not sure if it's gone upstream.
$ rpm -qlp thunderbird*.rpm | grep rss
In the meantime, I have done the following manual fix:
ls -l /usr/lib/thunderbird-220.127.116.11/isp/en-US/rss.rdf
21:47 /usr/lib/thunderbird-18.104.22.168/isp/en-US/rss.rdf -> ../../defaults/isp/rss.rdf
Version-Release number of selected component (if applicable):
Steps to Reproduce:
*** This bug has been marked as a duplicate of 237393 ***