Since WordPress 2.3.0, the redirect_guess_404_permalink() function has existed to attempt guessing the desired URL based on the query variables available. This is especially useful when a post’s parent changes (for hierarchical post types), or a post’s slug is changed. Guessing a URL to redirect 404 requests is fine for the majority of WordPress sites, but … Continue reading WordPress 5.5: Better fine grained control of redirect_guess_404_permalink()