Here are the steps to use syndication feeds on Drupal 8:
1. Enable the core “Views” module and its dependencies.
2. Create a new view by navigating to “Structure > Views” and clicking “Add new view” button.
3. Give your view a name and select “Feed” as the format.
4. Choose the content type you want to include in the feed.
5. Configure the fields you want to include in the feed.
6. In the “Format” section, configure the settings for the feed, such as the title, description, and format. You can choose from various formats such as RSS or Atom.
7. Save your view and navigate to its page.
8. You can see the feed in action by clicking the “Feed” link in the view’s header. You can also access the feed URL by adding “/feed” to the view’s path.
That’s it! You have successfully created a syndication feed using Drupal 8.