Change Content-Type for RSS feed/page type 101
Describe the task
The (XML) RSS feed on https://typo3.org/?type=101 is delivered as text/html
What does success look like, and how can we measure that?
Use same content type as for page type 155 for this page type. See
additionalHeaders.10.header = Content-Type:application/rss+xml;charset=utf-8 is used.