Index: wp-admin/includes/plugin-install.php
===================================================================
--- wp-admin/includes/plugin-install.php	(revision 19709)
+++ wp-admin/includes/plugin-install.php	(working copy)
@@ -239,7 +239,14 @@
 function install_plugin_information() {
 	global $tab;
 
-	$api = plugins_api('plugin_information', array('slug' => stripslashes( $_REQUEST['plugin'] ) ));
+	$args = array(
+		'slug' => stripslashes( $_REQUEST['plugin'] ),
+		'fields' => array(
+			'compatibility' => false,
+			'tags' => false,
+		)
+	);
+	$api = plugins_api( 'plugin_information', $args );
 
 	if ( is_wp_error($api) )
 		wp_die($api);