It is used by some people, when it is accessible that is...

An RSS feed that can’t be accessed by RSS readers doesn’t serve much purpose. If excluding the "/feed/news" location from the anti-bot challenge isn’t an option, could the feed be made available on a different (sub-)domain instead?

It's no longer possible to access the site's RSS feed using an RSS reader. The Cloudflare protection seems to have been misconfigured to include the feed, thereby asking RSS readers to execute Javascript and solve an anti-bot challenge. No normal RSS reader supports that.

Would you please fix the ...

Same issue here. I can open the feed in Firefox, but trying to add it to Thunderbird returns "The Feed URL is not authorized."

EDIT: there seems to be a javascript-based cloudflare check added before one can access the RSS-feed. How is that supposed to work? I have never heard of an RSS-reader that ...