diff --git a/DEPS b/DEPS
index 9a015ef..4c04cf9 100644
--- a/DEPS
+++ b/DEPS
@@ -216,7 +216,7 @@
 
   # WebGPU CTS - not used directly by Dawn, only transitively by Chromium.
   'third_party/webgpu-cts': {
-    'url': '{chromium_git}/external/github.com/gpuweb/cts@873305ab6a2eae37dc899856ccd55bebe8e94f8a',
+    'url': '{chromium_git}/external/github.com/gpuweb/cts@f43af0c09daf7cc28276f6656fc113374b549e27',
     'condition': 'build_with_chromium',
   },
 
diff --git a/third_party/gn/webgpu-cts/test_list.txt b/third_party/gn/webgpu-cts/test_list.txt
index 49bcc04..ee99551 100644
--- a/third_party/gn/webgpu-cts/test_list.txt
+++ b/third_party/gn/webgpu-cts/test_list.txt
@@ -37444,6 +37444,8 @@
 webgpu:compat,api,validation,render_pipeline,fragment_state:colorState:caseName="writeMask"
 webgpu:compat,api,validation,render_pipeline,shader_module:sample_mask:entryPoint="fsWithoutSampleMaskUsage"
 webgpu:compat,api,validation,render_pipeline,shader_module:sample_mask:entryPoint="fsWithSampleMaskUsage"
+webgpu:compat,api,validation,render_pipeline,shader_module:sample_index:entryPoint="fsWithoutSampleIndexUsage"
+webgpu:compat,api,validation,render_pipeline,shader_module:sample_index:entryPoint="fsWithSampleIndexUsage"
 webgpu:compat,api,validation,render_pipeline,shader_module:interpolate:interpolate="";entryPoint="fsWithoutInterpolationUsage"
 webgpu:compat,api,validation,render_pipeline,shader_module:interpolate:interpolate="";entryPoint="fsWithInterpolationUsage1"
 webgpu:compat,api,validation,render_pipeline,shader_module:interpolate:interpolate="";entryPoint="fsWithInterpolationUsage2"
diff --git a/third_party/webgpu-cts b/third_party/webgpu-cts
index 873305a..f43af0c 160000
--- a/third_party/webgpu-cts
+++ b/third_party/webgpu-cts
@@ -1 +1 @@
-Subproject commit 873305ab6a2eae37dc899856ccd55bebe8e94f8a
+Subproject commit f43af0c09daf7cc28276f6656fc113374b549e27
diff --git a/webgpu-cts/compat-expectations.txt b/webgpu-cts/compat-expectations.txt
index 682214b..ac2b439 100644
--- a/webgpu-cts/compat-expectations.txt
+++ b/webgpu-cts/compat-expectations.txt
@@ -74,7 +74,7 @@
 # results: [ Failure RetryOnFailure Skip Slow ]
 # END TAG HEADER
 
-# Last rolled: 2024-01-10 07:53:45AM
+# Last rolled: 2024-01-12 06:51:51AM
 
 # Flaky on all platforms
 # KEEP
@@ -121,11 +121,7 @@
 crbug.com/dawn/667 [ intel-0x9bc5 ] webgpu:api,operation,resource_init,texture_zero:uninitialized_texture_is_zero:dimension="3d";readMethod="CopyToTexture";format="rgba8snorm" [ Failure ]
 
 # precision issues
-crbug.com/dawn/2076 webgpu:api,operation,rendering,depth_bias:depth_bias:quadAngle=0;bias=-8388608;biasSlopeScale=0;biasClamp=-0.125 [ Failure ]
 crbug.com/dawn/2076 webgpu:api,operation,rendering,depth_bias:depth_bias:quadAngle=0;bias=8388608;biasSlopeScale=0;biasClamp=0 [ Failure ]
-crbug.com/dawn/2076 webgpu:api,operation,rendering,depth_bias:depth_bias:quadAngle=0;bias=8388608;biasSlopeScale=0;biasClamp=0.125 [ Failure ]
-crbug.com/dawn/2076 webgpu:api,operation,rendering,depth_bias:depth_bias_24bit_format:format="depth24plus";quadAngle=0;bias=8388608;biasSlopeScale=0;biasClamp=0.1 [ Failure ]
-crbug.com/dawn/2076 webgpu:api,operation,rendering,depth_bias:depth_bias_24bit_format:format="depth24plus-stencil8";quadAngle=0;bias=8388608;biasSlopeScale=0;biasClamp=0.1 [ Failure ]
 
 # Writes to frag_depth are not clamped to viewport min/max depth
 crbug.com/dawn/2185 webgpu:api,operation,rendering,depth_clip_clamp:depth_clamp_and_clip:format="depth16unorm";unclippedDepth="_undef_";writeDepth=true;multisampled=false [ Failure ]
@@ -164,17 +160,17 @@
 
 # Video tests with dstColorSpace="display-p3" failing
 crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp8-bt601.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
-crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt601.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
-crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
 crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp8-bt601.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
-crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
 crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp8-bt601.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
-crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
 crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp8-bt601.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
-crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
 crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt601.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
 crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt601.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
 crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt601.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
+crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt601.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
+crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
+crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoElement";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
+crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=false;dstColorSpace="display-p3" [ Failure ]
+crbug.com/dawn/2196 webgpu:web_platform,copyToTexture,video:copy_from_video:videoName="four-colors-vp9-bt709.webm";sourceType="VideoFrame";srcDoFlipYDuringCopy=true;dstColorSpace="display-p3" [ Failure ]
 
 # Mapping (only fails in Telemetry, not in browser standalone)
 crbug.com/dawn/2259 webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
@@ -577,7 +573,6 @@
 ################################################################################
 # New failures. Please triage:
 ################################################################################
-crbug.com/dawn/0000 [ intel-0x9bc5 ] webgpu:api,operation,resource_init,texture_zero:uninitialized_texture_is_zero:dimension="1d";readMethod="CopyToTexture";format="r8snorm" [ Failure ]
 crbug.com/dawn/0000 webgpu:api,operation,sampling,anisotropy:anisotropic_filter_checkerboard: [ Failure ]
 crbug.com/dawn/0000 [ nvidia-0x2184 ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atMaximum";testValueName="atLimit";async=false;bindingCombination="vertexAndFragmentWithPossibleFragmentStageOverflow";order="backward";bindGroupTest="differentGroups" [ Failure ]
 crbug.com/dawn/0000 [ nvidia-0x2184 ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atMaximum";testValueName="atLimit";async=false;bindingCombination="vertexAndFragmentWithPossibleFragmentStageOverflow";order="backward";bindGroupTest="sameGroup" [ Failure ]
@@ -599,6 +594,7 @@
 crbug.com/dawn/0000 webgpu:compat,api,validation,render_pipeline,depth_stencil_state:depthBiasClamp:depthBiasClamp="_undef_";async=true [ Failure ]
 crbug.com/dawn/0000 webgpu:compat,api,validation,render_pipeline,depth_stencil_state:depthBiasClamp:depthBiasClamp=0;async=false [ Failure ]
 crbug.com/dawn/0000 webgpu:compat,api,validation,render_pipeline,depth_stencil_state:depthBiasClamp:depthBiasClamp=0;async=true [ Failure ]
+crbug.com/dawn/0000 webgpu:compat,api,validation,render_pipeline,shader_module:sample_index:entryPoint="fsWithSampleIndexUsage" [ Failure ]
 crbug.com/dawn/0000 webgpu:shader,execution,expression,call,builtin,bitcast:i32_to_f32:inputSource="const";vectorize="_undef_";alias=false [ Failure ]
 crbug.com/dawn/0000 webgpu:shader,execution,expression,call,builtin,bitcast:i32_to_f32:inputSource="const";vectorize="_undef_";alias=true [ Failure ]
 crbug.com/dawn/0000 webgpu:shader,execution,expression,call,builtin,bitcast:i32_to_f32:inputSource="const";vectorize=2;alias=false [ Failure ]
diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index f6a7fa4..cf74127 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -76,7 +76,7 @@
 # results: [ Failure RetryOnFailure Skip Slow ]
 # END TAG HEADER
 
-# Last rolled: 2024-01-10 07:53:45AM
+# Last rolled: 2024-01-12 06:51:51AM
 
 ################################################################################
 # copyToTexture failures on Linux
@@ -517,7 +517,9 @@
 # Occlusion result incorrect with writeMask 0 on Windows Intel
 ################################################################################
 crbug.com/dawn/1706 [ intel-0x9bc5 win10 ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="direct";bufferOffset="non-zero";querySetOffset="non-zero" [ Failure ]
-crbug.com/dawn/1706 [ intel-0x9bc5 win10 ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="direct";bufferOffset="non-zero";querySetOffset="zero" [ Failure ]
+crbug.com/dawn/1706 [ android-r dawn-backend-validation qualcomm ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="direct";bufferOffset="non-zero";querySetOffset="zero" [ Failure ]
+crbug.com/dawn/1706 [ dawn-backend-validation intel-0x9bc5 win10 ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="direct";bufferOffset="non-zero";querySetOffset="zero" [ Failure ]
+crbug.com/dawn/1706 [ dawn-no-backend-validation intel-0x9bc5 win10 ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="direct";bufferOffset="non-zero";querySetOffset="zero" [ Failure ]
 crbug.com/dawn/1706 [ intel-0x9bc5 win10 ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="direct";bufferOffset="zero";querySetOffset="non-zero" [ Failure ]
 crbug.com/dawn/1706 [ intel-0x9bc5 win10 ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="direct";bufferOffset="zero";querySetOffset="zero" [ Failure ]
 crbug.com/dawn/1706 [ intel-0x9bc5 win10 ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,basic:writeMask=0;renderMode="render-bundle";bufferOffset="non-zero";querySetOffset="non-zero" [ Failure ]
@@ -885,7 +887,6 @@
 crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm target-cpu-32 webgpu-adapter-default ] webgpu:shader,execution,expression,call,builtin,textureSampleLevel:sampled_array_3d_coords: [ Failure ]
 crbug.com/dawn/0000 [ amd-0x67ef dawn-backend-validation target-cpu-64 ventura webgpu-adapter-default ] webgpu:shader,execution,expression,call,builtin,unpack2x16snorm:* [ Failure ]
 crbug.com/dawn/0000 [ amd-0x67ef dawn-no-backend-validation target-cpu-64 ventura webgpu-adapter-default ] webgpu:shader,execution,expression,call,builtin,unpack2x16snorm:* [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation target-cpu-64 webgpu-adapter-default ] webgpu:shader,execution,memory_model,coherence:corr:memType="atomic_storage";testType="intra_workgroup" [ Failure ]
 crbug.com/dawn/0000 [ android-t arm dawn-backend-validation target-cpu-64 webgpu-adapter-default ] webgpu:shader,execution,shader_io,fragment_builtins:inputs,interStage:nearFar=[0,1];sampleCount=1;interpolation={"type":"linear","sampling":"center"} [ Failure ]
 crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation target-cpu-64 webgpu-adapter-default ] webgpu:shader,execution,shader_io,fragment_builtins:inputs,interStage:nearFar=[0,1];sampleCount=1;interpolation={"type":"linear","sampling":"center"} [ Failure ]
 crbug.com/dawn/0000 [ android-t arm dawn-backend-validation target-cpu-64 webgpu-adapter-default ] webgpu:shader,execution,shader_io,fragment_builtins:inputs,interStage:nearFar=[0,1];sampleCount=1;interpolation={"type":"linear","sampling":"sample"} [ Failure ]
@@ -928,17 +929,11 @@
 crbug.com/dawn/0000 [ amd-0x67ef dawn-no-backend-validation target-cpu-64 ventura webgpu-adapter-default ] webgpu:shader,execution,shader_io,fragment_builtins:inputs,position:* [ Failure ]
 crbug.com/dawn/0000 [ android-t arm dawn-backend-validation target-cpu-64 webgpu-adapter-default ] webgpu:shader,execution,shader_io,fragment_builtins:inputs,position:* [ Failure ]
 crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation target-cpu-64 webgpu-adapter-default ] webgpu:shader,execution,shader_io,fragment_builtins:inputs,position:* [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-backend-validation qualcomm target-cpu-32 webgpu-adapter-default ] webgpu:shader,validation,expression,call,builtin,asin:values:stage="constant";type="vec3%3Cf32%3E" [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm target-cpu-32 webgpu-adapter-default ] webgpu:shader,validation,expression,call,builtin,asin:values:stage="constant";type="vec3%3Cf32%3E" [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm target-cpu-32 webgpu-adapter-default ] webgpu:shader,validation,expression,call,builtin,atan2:values:stage="constant";type="vec4%3Cf32%3E" [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm target-cpu-32 webgpu-adapter-default ] webgpu:shader,validation,expression,call,builtin,exp2:values:stage="constant";type="vec2%3Cabstract-float%3E" [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 target-cpu-32 webgpu-adapter-default webgpu-dxc-disabled win10 ] webgpu:shader,validation,expression,call,builtin,length:vec4:stage="constant";type="vec4%3Cf32%3E" [ Failure ]
+crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm target-cpu-32 webgpu-adapter-default ] webgpu:shader,validation,expression,call,builtin,atan2:values:stage="override";type="f32" [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:web_platform,canvas,getCurrentTexture:multiple_frames:* [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:web_platform,canvas,getCurrentTexture:resize:* [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-backend-validation qualcomm ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
+crbug.com/dawn/0000 [ android-r qualcomm ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
+crbug.com/dawn/0000 [ android-t arm ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
 crbug.com/dawn/0000 webgpu:web_platform,copyToTexture,canvas:color_space_conversion:* [ Failure ]
 crbug.com/dawn/0000 [ ventura ] webgpu:web_platform,copyToTexture,canvas:copy_contents_from_bitmaprenderer_context_canvas:* [ Failure ]
 crbug.com/dawn/0000 [ amd-0x67ef ventura webgpu-adapter-swiftshader ] webgpu:web_platform,external_texture,video:importExternalTexture,compute:* [ Failure ]