diff --git a/actions/all.php b/actions/all.php
index f1786462e1..61cedce749 100644
--- a/actions/all.php
+++ b/actions/all.php
@@ -99,19 +99,17 @@ class AllAction extends ProfileAction
                 sprintf(_('Feed for friends of %s (RSS 1.0)'), $this->user->nickname)),
             new Feed(Feed::RSS2,
                 common_local_url(
-                    'api', array(
-                        'apiaction' => 'statuses',
-                        'method' => 'friends_timeline',
-                        'argument' => $this->user->nickname.'.rss'
+                    'ApiTimelineFriends', array(
+                        'format' => 'rss',
+                        'id' => $this->user->nickname
                     )
                 ),
                 sprintf(_('Feed for friends of %s (RSS 2.0)'), $this->user->nickname)),
             new Feed(Feed::ATOM,
                 common_local_url(
-                    'api', array(
-                        'apiaction' => 'statuses',
-                        'method' => 'friends_timeline',
-                        'argument' => $this->user->nickname.'.atom'
+                    'ApiTimelineFriends', array(
+                        'format' => 'atom',
+                        'id' => $this->user->nickname
                     )
                 ),
                 sprintf(_('Feed for friends of %s (Atom)'), $this->user->nickname))
diff --git a/actions/public.php b/actions/public.php
index 4b71e58532..982dfde157 100644
--- a/actions/public.php
+++ b/actions/public.php
@@ -150,14 +150,12 @@ class PublicAction extends Action
         return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
                               _('Public Stream Feed (RSS 1.0)')),
                      new Feed(Feed::RSS2,
-                              common_local_url('api',
-                                               array('apiaction' => 'statuses',
-                                                     'method' => 'public_timeline.rss')),
+                              common_local_url('ApiTimelinePublic',
+                                               array('format' => 'rss')),
                               _('Public Stream Feed (RSS 2.0)')),
                      new Feed(Feed::ATOM,
-                              common_local_url('api',
-                                               array('apiaction' => 'statuses',
-                                                     'method' => 'public_timeline.atom')),
+                              common_local_url('ApiTimelinePublic',
+                                               array('format' => 'atom')),
                               _('Public Stream Feed (Atom)')));
     }
 
diff --git a/actions/replies.php b/actions/replies.php
index 6003ad30bd..a13b5a2273 100644
--- a/actions/replies.php
+++ b/actions/replies.php
@@ -138,11 +138,25 @@ class RepliesAction extends OwnerDesignAction
 
     function getFeeds()
     {
-        $rssurl   = common_local_url('repliesrss',
-                                     array('nickname' => $this->user->nickname));
-        $rsstitle = sprintf(_('Feed for replies to %s'), $this->user->nickname);
-
-        return array(new Feed(Feed::RSS1, $rssurl, $rsstitle));
+        return array(new Feed(Feed::RSS1,
+                              common_local_url('repliesrss',
+                                               array('nickname' => $this->user->nickname)),
+                              sprintf(_('Replies feed for %s (RSS 1.0)'),
+                                      $this->user->nickname)),
+                     new Feed(Feed::RSS2,
+                              common_local_url('ApiTimelineMentions',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'rss')),
+                              sprintf(_('Replies feed for %s (RSS 2.0)'),
+                                      $this->user->nickname)),
+                     new Feed(Feed::ATOM,
+                              common_local_url('ApiTimelineMentions',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'atom')),
+                              sprintf(_('Replies feed for %s (Atom)'),
+                                    $this->user->nickname)));
     }
 
     /**
diff --git a/actions/showfavorites.php b/actions/showfavorites.php
index b96d2af37f..b12fcdd9a0 100644
--- a/actions/showfavorites.php
+++ b/actions/showfavorites.php
@@ -164,13 +164,25 @@ class ShowfavoritesAction extends OwnerDesignAction
 
     function getFeeds()
     {
-        $feedurl   = common_local_url('favoritesrss',
-                                      array('nickname' =>
-                                            $this->user->nickname));
-        $feedtitle = sprintf(_('Feed for favorites of %s'),
-                             $this->user->nickname);
-
-        return array(new Feed(Feed::RSS1, $feedurl, $feedtitle));
+        return array(new Feed(Feed::RSS1,
+                              common_local_url('favoritesrss',
+                                               array('nickname' => $this->user->nickname)),
+                              sprintf(_('Feed for favorites of %s (RSS 1.0)'),
+                                      $this->user->nickname)),
+                     new Feed(Feed::RSS2,
+                              common_local_url('ApiTimelineFavorites',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'rss')),
+                              sprintf(_('Feed for favorites of %s (RSS 2.0)'),
+                                      $this->user->nickname)),
+                     new Feed(Feed::ATOM,
+                              common_local_url('ApiTimelineFavorites',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'atom')),
+                              sprintf(_('Feed for favorites of %s (Atom)'),
+                                      $this->user->nickname)));
     }
 
     /**
diff --git a/actions/showgroup.php b/actions/showgroup.php
index bfe45ddad7..a4af29391d 100644
--- a/actions/showgroup.php
+++ b/actions/showgroup.php
@@ -328,17 +328,15 @@ class ShowgroupAction extends GroupDesignAction
                               sprintf(_('Notice feed for %s group (RSS 1.0)'),
                                       $this->group->nickname)),
                      new Feed(Feed::RSS2,
-                              common_local_url('api',
-                                               array('apiaction' => 'groups',
-                                                     'method' => 'timeline',
-                                                     'argument' => $this->group->nickname.'.rss')),
+                              common_local_url('ApiTimelineGroup',
+                                               array('format' => 'rss',
+                                                     'id' => $this->group->nickname)),
                               sprintf(_('Notice feed for %s group (RSS 2.0)'),
                                       $this->group->nickname)),
                      new Feed(Feed::ATOM,
-                              common_local_url('api',
-                                               array('apiaction' => 'groups',
-                                                     'method' => 'timeline',
-                                                     'argument' => $this->group->nickname.'.atom')),
+                              common_local_url('ApiTimelineGroup',
+                                               array('format' => 'atom',
+                                                     'id' => $this->group->nickname)),
                               sprintf(_('Notice feed for %s group (Atom)'),
                                       $this->group->nickname)),
                      new Feed(Feed::FOAF,
diff --git a/actions/showstream.php b/actions/showstream.php
index de7100b1dc..4f48060378 100644
--- a/actions/showstream.php
+++ b/actions/showstream.php
@@ -128,17 +128,17 @@ class ShowstreamAction extends ProfileAction
                               sprintf(_('Notice feed for %s (RSS 1.0)'),
                                       $this->user->nickname)),
                      new Feed(Feed::RSS2,
-                              common_local_url('api',
-                                               array('apiaction' => 'statuses',
-                                                     'method' => 'user_timeline',
-                                                     'argument' => $this->user->nickname.'.rss')),
+                              common_local_url('ApiTimelineUser',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'rss')),
                               sprintf(_('Notice feed for %s (RSS 2.0)'),
                                       $this->user->nickname)),
                      new Feed(Feed::ATOM,
-                              common_local_url('api',
-                                               array('apiaction' => 'statuses',
-                                                     'method' => 'user_timeline',
-                                                     'argument' => $this->user->nickname.'.atom')),
+                              common_local_url('ApiTimelineUser',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'atom')),
                               sprintf(_('Notice feed for %s (Atom)'),
                                       $this->user->nickname)),
                      new Feed(Feed::FOAF,
diff --git a/actions/tag.php b/actions/tag.php
index f0ab30308c..3a88c1229d 100644
--- a/actions/tag.php
+++ b/actions/tag.php
@@ -86,17 +86,15 @@ class TagAction extends Action
                               sprintf(_('Notice feed for tag %s (RSS 1.0)'),
                                       $this->tag)),
                      new Feed(Feed::RSS2,   
-                              common_local_url('api',
-                                               array('apiaction' => 'tags',
-                                                     'method' => 'timeline',
-                                                     'argument' => $this->tag.'.rss')),
-                              sprintf(_('Notice feed for %s group (RSS 2.0)'),
+                              common_local_url('ApiTimelineTag',
+                                               array('format' => 'rss',
+                                                     'tag' => $this->tag)),
+                              sprintf(_('Notice feed for tag %s (RSS 2.0)'),
                                       $this->tag)),
                      new Feed(Feed::ATOM,
-                              common_local_url('api',
-                                               array('apiaction' => 'tags',
-                                                     'method' => 'timeline',
-                                                     'argument' => $this->tag.'.atom')),
+                              common_local_url('ApiTimelineTag',
+                                               array('format' => 'atom',
+                                                     'tag' => $this->tag)),
                               sprintf(_('Notice feed for tag %s (Atom)'),
                                       $this->tag)));
     }
diff --git a/classes/Notice.php b/classes/Notice.php
index c08a66790f..a9dbaa461b 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -1181,10 +1181,9 @@ class Notice extends Memcached_DataObject
             $xs->element('link', array('href' => $profile->profileurl));
             $user = User::staticGet('id', $profile->id);
             if (!empty($user)) {
-                $atom_feed = common_local_url('api',
-                                              array('apiaction' => 'statuses',
-                                                    'method' => 'user_timeline',
-                                                    'argument' => $profile->nickname.'.atom'));
+                $atom_feed = common_local_url('ApiTimelineUser',
+                                              array('format' => 'atom',
+                                                    'id' => $profile->nickname));
                 $xs->element('link', array('rel' => 'self',
                                            'type' => 'application/atom+xml',
                                            'href' => $profile->profileurl));
diff --git a/extlib/Auth/OpenID.php b/extlib/Auth/OpenID.php
index 6556b5b01e..db6164256f 100644
--- a/extlib/Auth/OpenID.php
+++ b/extlib/Auth/OpenID.php
@@ -20,7 +20,7 @@
 /**
  * The library version string
  */
-define('Auth_OpenID_VERSION', '2.1.2');
+define('Auth_OpenID_VERSION', '2.1.3');
 
 /**
  * Require the fetcher code.
diff --git a/extlib/Auth/OpenID/BigMath.php b/extlib/Auth/OpenID/BigMath.php
index b5fc627a09..45104947d6 100644
--- a/extlib/Auth/OpenID/BigMath.php
+++ b/extlib/Auth/OpenID/BigMath.php
@@ -376,7 +376,7 @@ function Auth_OpenID_detectMathLibrary($exts)
         // Try to load dynamic modules.
         if (!$loaded) {
             foreach ($extension['modules'] as $module) {
-                if (function_exists('dl') && ini_get('enable_dl') && !ini_get('safe_mode') && @dl($module . "." . PHP_SHLIB_SUFFIX)) {
+                if (@dl($module . "." . PHP_SHLIB_SUFFIX)) {
                     $loaded = true;
                     break;
                 }
diff --git a/extlib/Auth/OpenID/Consumer.php b/extlib/Auth/OpenID/Consumer.php
index a72684c6b8..500890b656 100644
--- a/extlib/Auth/OpenID/Consumer.php
+++ b/extlib/Auth/OpenID/Consumer.php
@@ -1295,7 +1295,8 @@ class Auth_OpenID_GenericConsumer {
             Auth_OpenID_OPENID2_NS => array_merge($basic_sig_fields,
                                                   array('response_nonce',
                                                         'claimed_id',
-                                                        'assoc_handle')),
+                                                        'assoc_handle',
+                                                        'op_endpoint')),
             Auth_OpenID_OPENID1_NS => array_merge($basic_sig_fields,
                                                   array('nonce'))
             );
diff --git a/extlib/Auth/OpenID/Message.php b/extlib/Auth/OpenID/Message.php
index fd23e67a3c..5ab115a86e 100644
--- a/extlib/Auth/OpenID/Message.php
+++ b/extlib/Auth/OpenID/Message.php
@@ -887,6 +887,11 @@ class Auth_OpenID_Message {
 
     function getAliasedArg($aliased_key, $default = null)
     {
+        if ($aliased_key == 'ns') {
+            // Return the namespace URI for the OpenID namespace
+            return $this->getOpenIDNamespace();
+        }
+
         $parts = explode('.', $aliased_key, 2);
 
         if (count($parts) != 2) {
diff --git a/extlib/Auth/Yadis/HTTPFetcher.php b/extlib/Auth/Yadis/HTTPFetcher.php
index a1825403d6..963b9a49a4 100644
--- a/extlib/Auth/Yadis/HTTPFetcher.php
+++ b/extlib/Auth/Yadis/HTTPFetcher.php
@@ -138,7 +138,7 @@ class Auth_Yadis_HTTPFetcher {
      * pass the URLHasAllowedScheme check or if the server's response
      * is malformed.
      */
-    function get($url, $headers)
+    function get($url, $headers = null)
     {
         trigger_error("not implemented", E_USER_ERROR);
     }
diff --git a/extlib/Auth/Yadis/ParanoidHTTPFetcher.php b/extlib/Auth/Yadis/ParanoidHTTPFetcher.php
index 8975d7f89e..6a418260ee 100644
--- a/extlib/Auth/Yadis/ParanoidHTTPFetcher.php
+++ b/extlib/Auth/Yadis/ParanoidHTTPFetcher.php
@@ -127,8 +127,6 @@ class Auth_Yadis_ParanoidHTTPFetcher extends Auth_Yadis_HTTPFetcher {
                         Auth_OpenID_USER_AGENT.' '.$curl_user_agent);
             curl_setopt($c, CURLOPT_TIMEOUT, $off);
             curl_setopt($c, CURLOPT_URL, $url);
-            curl_setopt($c, CURLOPT_RANGE, 
-                        "0-".(1024 * Auth_OpenID_FETCHER_MAX_RESPONSE_KB));
 
             curl_exec($c);
 
diff --git a/extlib/Auth/Yadis/PlainHTTPFetcher.php b/extlib/Auth/Yadis/PlainHTTPFetcher.php
index 8882e3cef7..3e0ca2bb0c 100644
--- a/extlib/Auth/Yadis/PlainHTTPFetcher.php
+++ b/extlib/Auth/Yadis/PlainHTTPFetcher.php
@@ -83,8 +83,6 @@ class Auth_Yadis_PlainHTTPFetcher extends Auth_Yadis_HTTPFetcher {
                              "User-Agent: $user_agent",
                              "Host: ".$parts['host'].
                                 ($specify_port ? ":".$parts['port'] : ""),
-                             "Range: 0-".
-                                (1024*Auth_OpenID_FETCHER_MAX_RESPONSE_KB),
                              "Port: ".$parts['port']);
 
             $errno = 0;
diff --git a/extlib/Auth/Yadis/XML.php b/extlib/Auth/Yadis/XML.php
index 7232d6cbdd..81b2ce2210 100644
--- a/extlib/Auth/Yadis/XML.php
+++ b/extlib/Auth/Yadis/XML.php
@@ -91,7 +91,7 @@ class Auth_Yadis_XMLParser {
      * @return array $node_list An array of matching opaque node
      * objects to be used with other methods of this parser class.
      */
-    function evalXPath($xpath, $node = null)
+    function &evalXPath($xpath, $node = null)
     {
         // Not implemented.
     }
@@ -349,7 +349,7 @@ function &Auth_Yadis_getXMLParser()
     foreach ($extensions as $name => $params) {
         if (!extension_loaded($name)) {
             foreach ($params['libname'] as $libname) {
-                if (function_exists('dl') && ini_get('enable_dl') && !ini_get('safe_mode') && @dl($libname)) {
+                if (@dl($libname)) {
                     $classname = $params['classname'];
                 }
             }
diff --git a/plugins/PubSubHubBub/PubSubHubBubPlugin.php b/plugins/PubSubHubBub/PubSubHubBubPlugin.php
index e1e82e352c..d15a869cba 100644
--- a/plugins/PubSubHubBub/PubSubHubBubPlugin.php
+++ b/plugins/PubSubHubBub/PubSubHubBubPlugin.php
@@ -65,21 +65,21 @@ class PubSubHubBubPlugin extends Plugin
         $feeds = array();
 
         //public timeline feeds
-        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'public_timeline.rss'));
-        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'public_timeline.atom'));
+        $feeds[]=common_local_url('ApiTimelinePublic',array('format' => 'rss'));
+        $feeds[]=common_local_url('ApiTimelinePublic',array('format' => 'atom'));
 
         //author's own feeds
         $user = User::staticGet('id',$notice->profile_id);
-        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.rss'));
-        $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.atom'));
+        $feeds[]=common_local_url('ApiTimelineUser',array('id' => $user->nickname, 'format'=>'rss'));
+        $feeds[]=common_local_url('ApiTimelineUser',array('id' => $user->nickname, 'format'=>'atom'));
 
         //tag feeds
         $tag = new Notice_tag();
         $tag->notice_id = $notice->id;
         if ($tag->find()) {
             while ($tag->fetch()) {
-                $feeds[]=common_local_url('api',array('apiaction' => 'tags','method' => 'timeline', 'argument'=>$tag->tag.'.atom'));
-                $feeds[]=common_local_url('api',array('apiaction' => 'tags','method' => 'timeline', 'argument'=>$tag->tag.'.rss'));
+                $feeds[]=common_local_url('ApiTimelineTag',array('tag'=>$tag->tag, 'format'=>'rss'));
+                $feeds[]=common_local_url('ApiTimelineTag',array('tag'=>$tag->tag, 'format'=>'atom'));
             }
         }
 
@@ -89,8 +89,8 @@ class PubSubHubBubPlugin extends Plugin
         if ($group_inbox->find()) {
             while ($group_inbox->fetch()) {
                 $group = User_group::staticGet('id',$group_inbox->group_id);
-                $feeds[]=common_local_url('api',array('apiaction' => 'groups','method' => 'timeline','argument' => $group->nickname.'.rss'));
-                $feeds[]=common_local_url('api',array('apiaction' => 'groups','method' => 'timeline','argument' => $group->nickname.'.atom'));
+                $feeds[]=common_local_url('ApiTimelineGroup',array('id' => $group->nickname,'format'=>'rss'));
+                $feeds[]=common_local_url('ApiTimelineGroup',array('id' => $group->nickname,'format'=>'atom'));
             }
         }
 
@@ -100,18 +100,17 @@ class PubSubHubBubPlugin extends Plugin
         if ($notice_inbox->find()) {
             while ($notice_inbox->fetch()) {
                 $user = User::staticGet('id',$notice_inbox->user_id);
-                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.rss'));
-                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.atom'));
+                $feeds[]=common_local_url('ApiTimelineUser',array('id' => $user->nickname, 'format'=>'rss'));
+                $feeds[]=common_local_url('ApiTimelineUser',array('id' => $user->nickname, 'format'=>'atom'));
             }
         }
 
-        /* TODO: when the reply page gets RSS and ATOM feeds, implement this
         //feed of user replied to
         if($notice->reply_to){
                 $user = User::staticGet('id',$notice->reply_to);
-                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.rss'));
-                $feeds[]=common_local_url('api',array('apiaction' => 'statuses','method' => 'user_timeline','argument' => $user->nickname.'.atom'));
-        }*/
+                $feeds[]=common_local_url('ApiTimelineMentions',array('id' => $user->nickname,'format'=>'rss'));
+                $feeds[]=common_local_url('ApiTimelineMentions',array('id' => $user->nickname,'format'=>'atom'));
+        }
 
         foreach(array_unique($feeds) as $feed){
             if(! $publisher->publish_update($feed)){