Use wp_update_post to update a field group

Hello Macky,

Which data do you need to update in the field group? A field group actually is a post that saves field and meta box settings. But it might be complicated if you want to update something in a field group.
I think your code can trigger the function wp_update_post and work correctly.

Hello,

I think the issue was resolved a long time ago, maybe related to https://support.metabox.io/topic/select-choices-callback-cache/

Anyway, I test to add your code to my local site to update a field group title after saving a CPT post and it works correctly.

add_action('save_post_my-job', 'fr_update_retreats_after_default_tabs', 10);

function fr_update_retreats_after_default_tabs() {
    wp_update_post(
        array(
            'ID' => 3401,
            'post_title'   => 'This is the post title.',
        )
    );
}

And you can also use the filter hook rwmb_normalize_field to modify the field settings. Please read more on the documentation https://docs.metabox.io/filters/rwmb-normalize-field/

Hello,

I think using the filter to set the options of the select field by coding instead of using the builder, might help you in this case.

add_filter( 'rwmb_normalize_field', function( $field ) {
    //check your specific field before using this code
   $field['options'] = callback_function();
    return $field;
} );