diff --git a/Source/Source.php b/Source/Source.php
index 5cb222d..861c94a 100644
--- a/Source/Source.php
+++ b/Source/Source.php
@@ -86,6 +86,7 @@
 			'EVENT_CORE_READY' => 'core_ready',
 			'EVENT_LAYOUT_RESOURCES' => 'css',
 			'EVENT_MENU_MAIN' => 'menu_main',
+			'EVENT_FILTER_COLUMNS' => 'filter_columns',
 		);
 	}
 
@@ -111,6 +112,14 @@
 		}
 	}
 
+	function filter_columns()
+	{
+		require_once( 'classes/RelatedChangesetsColumn.class.php' );
+		return array(
+			'SourceRelatedChangesetsColumn',
+		);
+	}
+
 	function css() {
 		return '<link rel="stylesheet" type="text/css" href="' . plugin_file( 'style.css' ) . '"/>';
 	}
diff --git a/Source/classes/RelatedChangesetsColumn.class.php b/Source/classes/RelatedChangesetsColumn.class.php
new file mode 100644
index 0000000..e60ef01
--- /dev/null
+++ b/Source/classes/RelatedChangesetsColumn.class.php
@@ -0,0 +1,41 @@
+<?php
+
+# Copyright (c) 2010 John Reese
+# Licensed under the MIT license
+
+class SourceRelatedChangesetsColumn extends MantisColumn {
+
+	public $title = "Related Changesets";
+	public $column = "related_changesets";
+	public $sortable = false;
+
+	private $changeset_cache = array();
+
+	public function cache( $p_bugs ) {
+		$t_bug_table = plugin_table( 'bug', 'Source' );
+
+		$t_bug_ids = array();
+		foreach ( $p_bugs as $t_bug ) {
+			$t_bug_ids[] = $t_bug->id;
+		}
+
+		$t_bug_ids = implode( ',', $t_bug_ids );
+
+		$t_query = "SELECT * FROM $t_bug_table WHERE bug_id IN ( $t_bug_ids )";
+		$t_result = db_query_bound( $t_query );
+
+		while ( $t_row = db_fetch_array( $t_result ) ) {
+			if ( isset( $this->changeset_cache[ $t_row['bug_id'] ] ) ) {
+				$this->changeset_cache[ $t_row['bug_id'] ]++;
+
+			} else {
+				$this->changeset_cache[ $t_row['bug_id'] ] = 1;
+			}
+		}
+	}
+
+	public function display( $p_bug, $p_columns_target ) {
+		echo $this->changeset_cache[ $p_bug->id ];
+	}
+
+}