Taxonomies don't show up on in the dashboard page for a custom post type in wordpress 5.22

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In wordpress 5.22 , After creating a custom post type like:

function create_products_cpt(){
    register_post_type( 'product',
        array(
            'labels' => $labels,
            'public' => true,
            'supports' => array(
                'title',
                'editor',
                'thumbnail',
                'custom-fields'
            ),
            'taxonomies'=>['product-category'],
            'register_meta_box_cb' => 'register_metaboxes',
            'show_in_rest' => true
        )
    );

    register_taxonomy('product-category','product',array(
        'hierarchical'=>true,
        'label'=>'product categories'
    ));

}
add_action( 'init', 'create_products_cpt' );

I am able to create post types and categories inside the taxonomy from the dashboard, but it is impossible to mark a specific post of that post type as belonging to any of the categories, since the selector just doesn't appear. I double-checked on an older version of wordpress (4.89) and it does work as intended, selector and all. What could be the issue here?

In wordpress 5.22 , After creating a custom post type like:

function create_products_cpt(){
    register_post_type( 'product',
        array(
            'labels' => $labels,
            'public' => true,
            'supports' => array(
                'title',
                'editor',
                'thumbnail',
                'custom-fields'
            ),
            'taxonomies'=>['product-category'],
            'register_meta_box_cb' => 'register_metaboxes',
            'show_in_rest' => true
        )
    );

    register_taxonomy('product-category','product',array(
        'hierarchical'=>true,
        'label'=>'product categories'
    ));

}
add_action( 'init', 'create_products_cpt' );

I am able to create post types and categories inside the taxonomy from the dashboard, but it is impossible to mark a specific post of that post type as belonging to any of the categories, since the selector just doesn't appear. I double-checked on an older version of wordpress (4.89) and it does work as intended, selector and all. What could be the issue here?

• custom-post-types
• custom-taxonomy

Share Improve this question asked Jul 25, 2019 at 0:14 SessionCookieMonsterSessionCookieMonster 1322 bronze badges

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1 Answer 1

Sorted by: Reset to default 0

I've pasted your code in Twenty Nineteen and it works as expected with Classic Editor ( and I'm sure it will work pre-Block Editor also ). Your taxonomy will not show up in the Block Editor unless you specify to display that taxonomy in rest as you've done with your post type:

register_taxonomy( 'product-category', 'product', array(
    'hierarchical'=>true,
    'label'=>'product categories',
    'show_in_rest' => true
) );

Once you enable REST it will become available in the Block Editor.

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