diff --git a/src/rust-cocoa b/src/rust-cocoa
index bf9e050161c..c8cf6f388da 160000
--- a/src/rust-cocoa
+++ b/src/rust-cocoa
@@ -1 +1 @@
-Subproject commit bf9e050161c55ce06f8e7491e15ceff06079d937
+Subproject commit c8cf6f388da1446b267014154b36af85a752a438
diff --git a/src/rust-core-foundation b/src/rust-core-foundation
index 01d8691bdf7..488df0c7cd2 160000
--- a/src/rust-core-foundation
+++ b/src/rust-core-foundation
@@ -1 +1 @@
-Subproject commit 01d8691bdf721edebb0e563069ffb23ba123bef0
+Subproject commit 488df0c7cd29cc58002eb9ccf3ae864de08c6e50
diff --git a/src/rust-glut b/src/rust-glut
index 12106aba879..6e1ef6cf8bd 160000
--- a/src/rust-glut
+++ b/src/rust-glut
@@ -1 +1 @@
-Subproject commit 12106aba8797163a958ce97dacb2900e931f1cc5
+Subproject commit 6e1ef6cf8bd81b3587a124acd8e601b935f96536
diff --git a/src/rust-http-client b/src/rust-http-client
index 0961ae2fc54..fce9c5b323b 160000
--- a/src/rust-http-client
+++ b/src/rust-http-client
@@ -1 +1 @@
-Subproject commit 0961ae2fc54e71838dd495bd91f5b7aa5afa1993
+Subproject commit fce9c5b323bd47f94682cb344afebadd2e2c3a45
diff --git a/src/rust-layers b/src/rust-layers
index dbc46d10beb..474d25966ea 160000
--- a/src/rust-layers
+++ b/src/rust-layers
@@ -1 +1 @@
-Subproject commit dbc46d10beb7e2c542f90ea13952b0c5514667d7
+Subproject commit 474d25966ead7efe73bfa26cbdc3d09c54b7b941
diff --git a/src/servo-gfx/quartz/font_list.rs b/src/servo-gfx/quartz/font_list.rs
index 771a22fc894..ca707e2a753 100644
--- a/src/servo-gfx/quartz/font_list.rs
+++ b/src/servo-gfx/quartz/font_list.rs
@@ -31,14 +31,15 @@ pub impl QuartzFontListHandle {
     }
 
     fn get_available_families() -> FontFamilyMap {
-        let family_names = quartz::font_list::core_text::font_collection::get_family_names();
+        let family_names: CFArray<CFStringRef> =
+            quartz::font_list::core_text::font_collection::get_family_names();
         let mut family_map : FontFamilyMap = LinearMap::new();
         for family_names.each |strref: &CFStringRef| {
-            let family_name = CFWrapper::wrap_shared(*strref).to_str();
+            /*let family_name = CFWrapper::wrap_shared(strref).to_str();
             debug!("Creating new FontFamily for family: %s", family_name);
 
             let new_family = @FontFamily::new(family_name);
-            family_map.insert(move family_name, new_family);
+            family_map.insert(move family_name, new_family);*/
         }
         return move family_map;
     }
diff --git a/src/servo/dom/cow.rs b/src/servo/dom/cow.rs
index 0f75fd9a96b..63c74bf25b5 100644
--- a/src/servo/dom/cow.rs
+++ b/src/servo/dom/cow.rs
@@ -275,7 +275,7 @@ impl<T:Copy Owned,A> Scope<T,A> {
 #[cfg(test)]
 #[allow(non_implicitly_copyable_typarams)]
 mod test {
-    use pipes::stream;
+    use pipes::{SharedChan, stream};
     use super::Scope;
 
     type animal = {name: ~str, species: species};
@@ -323,18 +323,20 @@ mod test {
 
         let iter1 = 3u;
         let iter2 = 22u;
-        let read_port = oldcomm::Port();
-        let read_chan = oldcomm::Chan(&read_port);
+        let (read_port, read_chan) = stream();
+        let read_chan = SharedChan(read_chan);
 
         // fire up a reader task
         for uint::range(0u, iter1) |i| {
             s.reader_forked();
             let (wait_port, wait_chan) = stream();
 
+            let read_chan = read_chan.clone();
             do task::spawn {
+                let read_chan = read_chan.clone();
                 for uint::range(0u, iter2) |_i| {
-                    oldcomm::send(read_chan, henrietta.read(read_characteristic));
-                    oldcomm::send(read_chan, ferdinand.read(read_characteristic));
+                    read_chan.send(henrietta.read(read_characteristic));
+                    read_chan.send(ferdinand.read(read_characteristic));
                     wait_port.recv();
                 }
             }
@@ -346,9 +348,9 @@ mod test {
             assert frc == i * iter2;
 
             for uint::range(0u, iter2) |_i| {
-                assert hrc == oldcomm::recv(read_port);
+                assert hrc == read_port.recv();
                 s.write(&henrietta, mutate);
-                assert frc == oldcomm::recv(read_port);
+                assert frc == read_port.recv();
                 s.write(&ferdinand, mutate);
                 wait_chan.send(());
             }
diff --git a/src/sharegl b/src/sharegl
index 355fdfa0e71..0beee76601f 160000
--- a/src/sharegl
+++ b/src/sharegl
@@ -1 +1 @@
-Subproject commit 355fdfa0e715ef7cc11156071c6b4fbcf4ede057
+Subproject commit 0beee76601f94c5601357c239e5e850266a47c2a