According to the documentation you can pass an array to exclude the field names like: Besides, excludedRoutes is a configuration only allowed in gatsby source-wordpress, not in the experimental version.
If you are using Linux, your project is hitting your system’s file watchers limit To fix this, on your terminal, try:
It always depends on your filesystem and how it is set up. The short answer is that allFile retrieves all kind of files (images, markdowns, JSONs, etc) set in your gatsby-source-filesystem while allMarkdownRemark only fetches the markdown files because a transformer plugin has previously created a specific node to do so. allMarkdownRemark, of course, is more specific and has better performance, … Read more