Posts2Posts -- can't get connection title

gistfile1.php

<?php
global $post;

$connections = P2P_Connection_Type_Factory::get_all_instances();
if (!empty($connections)) {
	foreach ($connections as $type => $conn) {
		p2p_connection_box($type, $conn, $post);
	}
}

function p2p_connection_box($type, $conn, $post) {
	$direction = false;
	$opposite = false;
	
	if ($conn->side['from']->query_vars['post_type'][0] == $post->post_type) {
		$direction = 'from';
		$opposite = 'to';
	} else if ($conn->side['to']->query_vars['post_type'][0] == $post->post_type) {
		$direction = 'to';
		$opposite = 'from';
	}
	
	$opposite_post_type = $conn->side[$opposite]->query_vars['post_type'][0];
	
	if ($direction) {
		?>
		<li>
			<h3 class="widgettitle">
				<?php
				echo $conn->get_field('title', $direction); // empty string
				// in version 1.4.2 I would get the box title using:
				// echo $conn->title[$direction];
				?>
			</h3>
			
			<!-- some more markup goes here -->
		</li>
		<?php
	}
}
?>