diff --git a/DEPS b/DEPS
index 04ec92e1c4..dbec0749d6 100644
--- a/DEPS
+++ b/DEPS
@@ -158,7 +158,7 @@ deps = {
 
   # WebGPU CTS - not used directly by Dawn, only transitively by Chromium.
   'third_party/webgpu-cts': {
-    'url': '{chromium_git}/external/github.com/gpuweb/cts@0673bb68c214c0a6c56d00b30e6600dcc9f02b93',
+    'url': '{chromium_git}/external/github.com/gpuweb/cts@6d3a80420d1b8493631311267a30a71098a01258',
     'condition': 'build_with_chromium',
   },
 
diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index 1d7445f389..c3edc77949 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -61,7 +61,7 @@
 # results: [ Failure RetryOnFailure Skip Slow ]
 # END TAG HEADER
 
-# Last rolled: 2023-01-04 11:59:09PM
+# Last rolled: 2023-01-05 05:47:34PM
 
 ################################################################################
 # webgpu:api,operation,resource_init,texture_zero:uninitialized_texture_is_zero
diff --git a/webgpu-cts/test_runner.js b/webgpu-cts/test_runner.js
index eeb38d61a9..cd828bcc6d 100644
--- a/webgpu-cts/test_runner.js
+++ b/webgpu-cts/test_runner.js
@@ -140,6 +140,14 @@ wrapPromiseWithHeartbeat(GPUShaderModule.prototype, 'compilationInfo');
 globalTestConfig.testHeartbeatCallback = sendHeartbeat;
 globalTestConfig.noRaceWithRejectOnTimeout = true;
 
+// FXC is very slow to compile unrolled const-eval loops, where the metal shader
+// compiler (Intel GPU) is very slow to compile rolled loops. Intel drivers for
+// linux may also suffer the same performance issues, so unroll const-eval loops
+// if we're not running on Windows.
+if (navigator.userAgent.indexOf("Windows") !== -1) {
+  globalTestConfig.unrollConstEvalLoops = true;
+}
+
 async function runCtsTest(query, use_worker) {
   const workerEnabled = use_worker;
   const worker = workerEnabled ? new TestWorker(false) : undefined;
@@ -208,9 +216,11 @@ function sendMessageTestHeartbeat() {
 }
 
 function sendMessageTestStatus(status, jsDurationMs) {
-  socket.send(JSON.stringify({'type': 'TEST_STATUS',
-                              'status': status,
-                              'js_duration_ms': jsDurationMs}));
+  socket.send(JSON.stringify({
+    'type': 'TEST_STATUS',
+    'status': status,
+    'js_duration_ms': jsDurationMs
+  }));
 }
 
 function sendMessageTestLog(logs) {