To clean a large wp_postmeta table in WordPress, you must identify and delete orphaned or unused metadata…
Remove Update Notification for specific plugin
This seems to work only if the plugin is active. but this is ok for me.
function remove_update_notification($value) {
//unset($value->response[ plugin_basename(__FILE__) ]); //when usin in plugin itself
//if( isset( $value->response['facebook-comments-plugin/facebook-comments.php'] ) ) {
unset( $value->response['organization-chart/wpdevart_chart.php'] );
//}
return $value;
}
add_filter('site_transient_update_plugins', 'remove_update_notification');