If you view source on the page:
<link rel="alternate" type="application/rss+xml" title="Latest posts" href="https://meta.discourse.org/posts.rss" />
<link rel="alternate" type="application/rss+xml" title="Latest topics" href="https://meta.discourse.org/latest.rss" />
<link rel="alternate" type="application/rss+xml" title="RSS feed of topics in the 'releases' category" href="https://meta.discourse.org/c/releases.rss" />