diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4961a9fed..33c7495d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,6 +35,7 @@ jobs:
         run: cargo check --manifest-path wgpu-core/Cargo.toml --features trace --target ${{ env.TARGET }}
 
   wasm:
+    if: false  # disable until hal/Gles backend is setup
     name: Web Assembly
     runs-on: ubuntu-18.04
     env:
diff --git a/Cargo.lock b/Cargo.lock
index 715ba754b..e764513ec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -968,7 +968,7 @@ dependencies = [
 [[package]]
 name = "metal"
 version = "0.22.0"
-source = "git+https://github.com/kvark/metal-rs?branch=core-graphics-types#457518722ac2ca51cf1e668a2d2be57b751c8071"
+source = "git+https://github.com/kvark/metal-rs?branch=core-graphics-types#6e005374eaba2f9af368a81cdb2948ca29b3ff17"
 dependencies = [
  "bitflags",
  "block",
diff --git a/README.md b/README.md
index 713e653d4..a18829e56 100644
--- a/README.md
+++ b/README.md
@@ -25,10 +25,10 @@ If you are looking for the native implementation or bindings to the API in other
 
    API   |    Windows 7/10    |  Linux & Android   |    macOS & iOS     |
   -----  | ------------------ | ------------------ | ------------------ |
-  DX11   | :ok:               |                    |                    |
-  DX12   | :white_check_mark: |                    |                    |
+  DX11   |                    |                    |                    |
+  DX12   |                    |                    |                    |
   Vulkan | :white_check_mark: | :white_check_mark: |                    |
   Metal  |                    |                    | :white_check_mark: |
-  GL ES3 |                    | :construction:     |                    |
+  GLes3  |                    |                    |                    |
 
 :white_check_mark: = Primary support — :ok: = Secondary support — :construction: = Unsupported, but support in progress
diff --git a/bors.toml b/bors.toml
index 729709bdf..ee06a2174 100644
--- a/bors.toml
+++ b/bors.toml
@@ -7,6 +7,6 @@ status = [
   "Ubuntu Nightly",
   "Windows Stable",
   "Windows Nightly",
-  "Web Assembly",
+  #"Web Assembly",
   #"Clippy",
 ]
diff --git a/wgpu-hal/src/metal/adapter.rs b/wgpu-hal/src/metal/adapter.rs
index c6c38903f..1c77dac0e 100644
--- a/wgpu-hal/src/metal/adapter.rs
+++ b/wgpu-hal/src/metal/adapter.rs
@@ -18,11 +18,7 @@ impl crate::Adapter<super::Api> for super::Adapter {
         &self,
         features: wgt::Features,
     ) -> Result<crate::OpenDevice<super::Api>, crate::DeviceError> {
-        let queue = self
-            .shared
-            .device
-            .lock()
-            .new_command_queue_with_max_command_buffer_count(5);
+        let queue = self.shared.device.lock().new_command_queue();
         Ok(crate::OpenDevice {
             device: super::Device {
                 shared: Arc::clone(&self.shared),
diff --git a/wgpu-hal/src/metal/surface.rs b/wgpu-hal/src/metal/surface.rs
index 5c672da77..264c8e086 100644
--- a/wgpu-hal/src/metal/surface.rs
+++ b/wgpu-hal/src/metal/surface.rs
@@ -63,7 +63,7 @@ impl super::Surface {
             let screen: *mut Object = msg_send![window, screen];
             assert!(!screen.is_null(), "window is not attached to a screen");
 
-            let scale_factor: mtl::CGFloat = msg_send![screen, nativeScale];
+            let scale_factor: CGFloat = msg_send![screen, nativeScale];
             let () = msg_send![view, setContentScaleFactor: scale_factor];
         }
 
diff --git a/wgpu-hal/src/vulkan/command.rs b/wgpu-hal/src/vulkan/command.rs
index f37aef2be..4551b428c 100644
--- a/wgpu-hal/src/vulkan/command.rs
+++ b/wgpu-hal/src/vulkan/command.rs
@@ -640,14 +640,8 @@ impl crate::CommandEncoder<super::Api> for super::CommandEncoder {
         count_offset: wgt::BufferAddress,
         max_count: u32,
     ) {
-        match self
-            .device
-            .extension_fns
-            .draw_indirect_count
-            .as_ref()
-            .expect("Feature `DRAW_INDIRECT_COUNT` must be enabled")
-        {
-            super::ExtensionFn::Extension(t) => {
+        match self.device.extension_fns.draw_indirect_count {
+            Some(super::ExtensionFn::Extension(ref t)) => {
                 t.cmd_draw_indirect_count(
                     self.active,
                     buffer.raw,
@@ -658,7 +652,7 @@ impl crate::CommandEncoder<super::Api> for super::CommandEncoder {
                     0,
                 );
             }
-            super::ExtensionFn::Promoted => {
+            Some(super::ExtensionFn::Promoted) => {
                 self.device.raw.cmd_draw_indirect_count(
                     self.active,
                     buffer.raw,
@@ -669,6 +663,7 @@ impl crate::CommandEncoder<super::Api> for super::CommandEncoder {
                     0,
                 );
             }
+            None => panic!("Feature `DRAW_INDIRECT_COUNT` not enabled"),
         }
     }
     unsafe fn draw_indexed_indirect_count(
@@ -679,14 +674,8 @@ impl crate::CommandEncoder<super::Api> for super::CommandEncoder {
         count_offset: wgt::BufferAddress,
         max_count: u32,
     ) {
-        match self
-            .device
-            .extension_fns
-            .draw_indirect_count
-            .as_ref()
-            .expect("Feature `DRAW_INDIRECT_COUNT` must be enabled")
-        {
-            super::ExtensionFn::Extension(t) => {
+        match self.device.extension_fns.draw_indirect_count {
+            Some(super::ExtensionFn::Extension(ref t)) => {
                 t.cmd_draw_indexed_indirect_count(
                     self.active,
                     buffer.raw,
@@ -697,7 +686,7 @@ impl crate::CommandEncoder<super::Api> for super::CommandEncoder {
                     0,
                 );
             }
-            super::ExtensionFn::Promoted => {
+            Some(super::ExtensionFn::Promoted) => {
                 self.device.raw.cmd_draw_indexed_indirect_count(
                     self.active,
                     buffer.raw,
@@ -708,6 +697,7 @@ impl crate::CommandEncoder<super::Api> for super::CommandEncoder {
                     0,
                 );
             }
+            None => panic!("Feature `DRAW_INDIRECT_COUNT` not enabled"),
         }
     }