Turn off 404 URL guessing in WordPress

/**
 * Disables 404 redirect permalink guessing.
 *
 * E.g., stops `https://example.com/example` to `https://example.com/examples` redirect.
 *
 * @see https://wpcodebook.com/wordpress-disable-404-url-guessing/
 * @see https://developer.wordpress.org/reference/hooks/do_redirect_guess_404_permalink/
 * @see https://developer.wordpress.org/reference/functions/redirect_guess_404_permalink/
 * @see https://developer.wordpress.org/reference/functions/redirect_canonical/
 */
add_filter( 'do_redirect_guess_404_permalink', '__return_false' );

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