Allow overriding Open Graph (OG) tags per node

I think this would make sense.

I was looking for the same thing, since there are 2 inactive fields on the node form below the regular meta tag fields, and looking at the HTML those are open graph fields, just not editable.

This is a duplicate of #1784896: Overriding meta tags fall back to parent default tag value.

Hi Damien, thanks for pointing that out. Made me realize that my problem was caused by using Rubik as an admin theme, since the Open Graph per node settings are contained within a dropdown. I went back to alpha8 and used Seven as an admin theme and this actually already works.

In case of Rubik as cause you may fix this easily with attaching a custom css file to node forms.
Create a module (or use an existing feature) and add this form_alter-hook:

<?php
/**
 * Implements hook_form_FORM_ID_alter().
 */
function YOURMODULENAME_form_node_form_alter(&$form, &$form_state) {
  if (!isset($form['#attached']['css'])) {
    $form['#attached']['css'] = array();
  }
  $form['#attached']['css'][] = drupal_get_path('module', 'YOURMODULENAME') . '/theme/node.form.css';
}
?>

Within the module folder create a new folder named "theme" and a file named "node.form.css" with the following content:

.vertical-tabs .vertical-tabs-panes .vertical-tabs-pane .fieldset legend {
  display: block;
}

Result: the fieldset titles within the vertical tabs are visibile and you are able to expand the additional metatag settings.