Enable Gutenberg only for Pages
Here’s a quick way to enable Gutenberg only for pages and keep using the “Classic Editor” on other post types:
add_filter( 'gutenberg_can_edit_post_type', function ( $can_edit, $post_type ) {
$can_edit = $post_type === 'page';
return $can_edit;
}, 99, 2 );
Posted on in Tips & Tutorials.