diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index 1c74151..729609e 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -404,12 +404,14 @@
 crbug.com/dawn/0000 [ dawn-backend-validation win10 ] webgpu:api,operation,render_pass,resolve:* [ Failure ]
 
 ################################################################################
-# web_platform failures on Android
+# Various failures when configuring a canvas context on Android
 # Skipped instead of just Crash / Failure because of the number of failures
+# And the destabilizing effect they seem to have on subsequent tests.
 # KEEP
 ################################################################################
-crbug.com/dawn/0000 [ android-r ] webgpu:web_platform,canvas,* [ Skip ]
-crbug.com/dawn/0000 [ android-t ] webgpu:web_platform,canvas,* [ Skip ]
+crbug.com/dawn/1965 [ android ] webgpu:web_platform,canvas,configure:format:* [ Skip ]
+crbug.com/dawn/1965 [ android ] webgpu:web_platform,canvas,configure:usage:* [ Skip ]
+crbug.com/dawn/1965 [ android ] webgpu:web_platform,canvas,configure:viewFormats:* [ Skip ]
 
 ################################################################################
 # maxBufferSize test causing instability
@@ -421,7 +423,7 @@
 # sample_mask tests causing instability
 # KEEP
 ################################################################################
-crbug.com/dawn/0000 [ qualcomm ] webgpu:api,operation,render_pipeline,sample_mask:* [ Skip ]
+crbug.com/dawn/1903 [ qualcomm ] webgpu:api,operation,render_pipeline,sample_mask:* [ Skip ]
 
 ################################################################################
 # CTS Async destroy tests
@@ -468,21 +470,8 @@
 ################################################################################
 # Interpolated fragment_output_mask failing on Android Arm (Pixel 6)
 ################################################################################
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=1 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=10 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=11 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=12 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=13 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=14 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=15 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=2 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=3 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=4 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=5 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=6 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=7 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=8 [ Failure ]
-crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;rasterizationMask=9 [ Failure ]
+crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=4;* [ Failure ]
+crbug.com/dawn/1550 [ arm ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;* [ Failure ]
 
 ################################################################################
 # Compute pass attachment store/resolve then sample/storage causes device lost on Android Qualcomm (Pixel 4)
@@ -581,17 +570,50 @@
 crbug.com/dawn/1903 [ android-r qualcomm ] webgpu:api,validation,capability_checks,limits,maxInterStageShaderComponents:* [ Failure ]
 
 ################################################################################
+# Some copyTextureToTexture tests fail on Android R (Pixel 4), don't appear to repro on Android T
+################################################################################
+crbug.com/dawn/1956 [ android-r ] webgpu:api,validation,encoding,cmds,copyTextureToTexture:copy_aspects:format="depth32float" [ Failure ]
+crbug.com/dawn/1956 [ android-r ] webgpu:api,validation,encoding,cmds,copyTextureToTexture:copy_ranges:dimension="1d";copyBoxOffsets={"x":0,"y":0,"z":0,"width":0,"height":0,"depthOrArrayLayers":0};srcCopyLevel=0;dstCopyLevel=0 [ Failure ]
+crbug.com/dawn/1956 [ android-r ] webgpu:api,validation,encoding,cmds,copyTextureToTexture:copy_ranges:dimension="2d";copyBoxOffsets={"x":0,"y":0,"z":0,"width":0,"height":1,"depthOrArrayLayers":-2};srcCopyLevel=1;dstCopyLevel=3 [ Failure ]
+
+################################################################################
+# Copying a WebGPU canvas to a texture fails on Android
+################################################################################
+crbug.com/dawn/1957 [ android ] webgpu:web_platform,copyToTexture,canvas:copy_contents_from_gpu_context_canvas:* [ Failure ]
+crbug.com/dawn/1957 [ android-r ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:onscreenCanvas,* [ Failure ]
+crbug.com/dawn/1957 [ android-t ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:onscreenCanvas,* [ Failure ]
+crbug.com/dawn/1957 [ android-r ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:offscreenCanvas,* [ Failure ]
+crbug.com/dawn/1957 [ android-t ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:offscreenCanvas,* [ Failure ]
+crbug.com/dawn/1957 [ android-r ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
+crbug.com/dawn/1957 [ android-t ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:* [ Failure ]
+
+################################################################################
+# Buffer mapping test failures on all platforms
+################################################################################
+crbug.com/dawn/1968 webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
+crbug.com/dawn/1968 webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
+crbug.com/dawn/1968 webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
+
+################################################################################
+# Copy subrect from ImageData fails on Pixel 4
+################################################################################
+crbug.com/dawn/1969 [ android qualcomm ] webgpu:web_platform,copyToTexture,ImageBitmap:copy_subrect_from_ImageData:* [ Failure ]
+
+################################################################################
+# Out-of-Memory error scope tests fail on linux
+################################################################################
+crbug.com/dawn/1960 [ intel-0x9bc5 ubuntu ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";* [ Failure ]
+crbug.com/dawn/1960 [ intel-0x9bc5 ubuntu ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";* [ Failure ]
+
+################################################################################
+# Android flakily failing some getCurrentTexture tests
+################################################################################
+crbug.com/dawn/1970 [ android ] webgpu:web_platform,canvas,getCurrentTexture:configured:* [ Failure ]
+crbug.com/dawn/1970 [ android ] webgpu:web_platform,canvas,getCurrentTexture:single_frames:canvasType="onscreen" [ Failure ]
+
+################################################################################
 # untriaged Android failures
 ################################################################################
-crbug.com/dawn/0000 [ android-r ] webgpu:api,validation,encoding,cmds,copyTextureToTexture:copy_aspects:format="depth32float" [ Failure ]
-crbug.com/dawn/0000 [ android-r ] webgpu:api,validation,encoding,cmds,copyTextureToTexture:copy_ranges:dimension="1d";copyBoxOffsets={"x":0,"y":0,"z":0,"width":0,"height":0,"depthOrArrayLayers":0};srcCopyLevel=0;dstCopyLevel=0 [ Failure ]
-crbug.com/dawn/0000 [ android-r ] webgpu:api,validation,encoding,cmds,copyTextureToTexture:copy_ranges:dimension="2d";copyBoxOffsets={"x":0,"y":0,"z":0,"width":0,"height":1,"depthOrArrayLayers":-2};srcCopyLevel=1;dstCopyLevel=3 [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100000 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100000 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100000 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100000 [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation ] webgpu:api,validation,error_scope:current_scope:errorFilter="validation";stackDepth=100000 [ Failure ]
-crbug.com/dawn/0000 [ android-t dawn-no-backend-validation ] webgpu:api,validation,error_scope:current_scope:errorFilter="validation";stackDepth=100000 [ Failure ]
 crbug.com/dawn/0000 [ nvidia-0x2184 ubuntu ] webgpu:api,validation,texture,bgra8unorm_storage:configure_storage_usage_on_canvas_context_with_bgra8unorm_storage:* [ Failure ]
 crbug.com/dawn/0000 [ android-r ] webgpu:shader,execution,expression,binary,bitwise_shift:shift_left_concrete:type="i32";inputSource="const";vectorize=3 [ Failure ]
 crbug.com/dawn/0000 [ android-r ] webgpu:shader,execution,expression,binary,bitwise_shift:shift_left_concrete:type="u32";inputSource="const";vectorize=3 [ Failure ]
@@ -613,12 +635,8 @@
 crbug.com/dawn/0000 [ android-r ] webgpu:shader,execution,expression,call,builtin,step:f32:inputSource="const";vectorize=3 [ Failure ]
 crbug.com/dawn/0000 [ amd-0x67ef ] webgpu:shader,execution,expression,call,builtin,unpack2x16snorm:unpack:inputSource="storage_rw" [ Failure ]
 crbug.com/dawn/0000 [ android-r dawn-backend-validation ] webgpu:shader,execution,robust_access:linear_memory:addressSpace="private";access="read";containerType="vector";shadowingMode="function-scope";isAtomic=false [ RetryOnFailure ]
-crbug.com/dawn/0000 [ android-r dawn-backend-validation webgpu-adapter-default ] webgpu:web_platform,copyToTexture,ImageBitmap:copy_subrect_from_ImageData:* [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation webgpu-adapter-default ] webgpu:web_platform,copyToTexture,ImageBitmap:copy_subrect_from_ImageData:* [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation webgpu-adapter-default win10 ] webgpu:web_platform,copyToTexture,ImageBitmap:copy_subrect_from_ImageData:* [ RetryOnFailure ]
 crbug.com/dawn/0000 [ ventura ] webgpu:web_platform,copyToTexture,canvas:copy_contents_from_bitmaprenderer_context_canvas:canvasType="offscreen";dstColorFormat="rg8unorm";dstAlphaMode="opaque";srcDoFlipYDuringCopy=true [ Failure ]
-crbug.com/dawn/0000 [ android-r ] webgpu:web_platform,copyToTexture,canvas:copy_contents_from_gpu_context_canvas:* [ Failure ]
-crbug.com/dawn/0000 [ android-t ] webgpu:web_platform,copyToTexture,canvas:copy_contents_from_gpu_context_canvas:* [ Failure ]
 
 # New flakes. Please triage:
 crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,command_buffer,image_copy:origins_and_extents:initMethod="WriteTexture";checkMethod="PartialCopyT2B";format="astc-12x10-unorm-srgb";dimension="2d" [ RetryOnFailure ]
@@ -765,36 +783,6 @@
 crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,sample_mask:writeMask=0;renderMode="render-bundle";bufferOffset="zero";querySetOffset="non-zero";sampleMask=0 [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,sample_mask:writeMask=0;renderMode="render-bundle";bufferOffset="zero";querySetOffset="zero";sampleMask=0 [ Failure ]
 crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,operation,command_buffer,queries,occlusionQuery:occlusion_query,sample_mask:writeMask=0;renderMode="render-bundle";bufferOffset="zero";querySetOffset="zero";sampleMask=0 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=1 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=1 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=10 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=10 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=11 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=11 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=12 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=12 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=13 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=13 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=14 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=14 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=15 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=15 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=2 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=2 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=3 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=3 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=4 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=4 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=5 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=5 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=6 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=6 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=7 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=7 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=8 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=8 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=9 [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:alpha_to_coverage_mask:interpolated=true;sampleCount=4;rasterizationMask=9 [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=false;sampleCount=1;rasterizationMask=1 [ Failure ]
 crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=false;sampleCount=1;rasterizationMask=1 [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,operation,render_pipeline,sample_mask:fragment_output_mask:interpolated=true;sampleCount=1;rasterizationMask=1 [ Failure ]
@@ -803,73 +791,6 @@
 crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,operation,rendering,depth_bias:depth_bias:quadAngle=0;bias=-8388608;biasSlopeScale=0;biasClamp=0.125 [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,operation,rendering,depth_bias:depth_bias:quadAngle=0;bias=8388608;biasSlopeScale=0;biasClamp=0 [ Failure ]
 crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,operation,rendering,depth_bias:depth_bias:quadAngle=0;bias=8388608;biasSlopeScale=0;biasClamp=0 [ Failure ]
-crbug.com/dawn/0000 [ amd-0x67ef dawn-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ amd-0x67ef dawn-no-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-backend-validation qualcomm webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ apple dawn-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ apple dawn-no-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation nvidia-0x2184 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:getMappedRange,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ amd-0x67ef dawn-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ amd-0x67ef dawn-no-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-backend-validation qualcomm webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ apple dawn-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ apple dawn-no-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation nvidia-0x2184 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:mapAsync,earlyRejection: [ Failure ]
-crbug.com/dawn/0000 [ amd-0x67ef dawn-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ amd-0x67ef dawn-no-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-backend-validation qualcomm webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-r dawn-no-backend-validation qualcomm webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-backend-validation webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ apple dawn-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ apple dawn-no-backend-validation ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation nvidia-0x2184 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x3e9b ventura webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 ubuntu webgpu-adapter-default ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation nvidia-0x2184 webgpu-adapter-default win10 ] webgpu:api,validation,buffer,mapping:mapAsync,state,mappingPending: [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=1 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=1 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=10 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=10 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=1000 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=1000 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=1 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=1 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=10 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=10 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=100 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=100 [ Failure ]
-crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=1000 [ Failure ]
-crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:parent_scope:errorFilter="out-of-memory";stackDepth=1000 [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:simple:errorType="out-of-memory";errorFilter="internal" [ Failure ]
 crbug.com/dawn/0000 [ dawn-no-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:simple:errorType="out-of-memory";errorFilter="internal" [ Failure ]
 crbug.com/dawn/0000 [ dawn-backend-validation intel-0x9bc5 ubuntu webgpu-adapter-default ] webgpu:api,validation,error_scope:simple:errorType="out-of-memory";errorFilter="out-of-memory" [ Failure ]
diff --git a/webgpu-cts/slow_tests.txt b/webgpu-cts/slow_tests.txt
index 4351fab..6f77178 100644
--- a/webgpu-cts/slow_tests.txt
+++ b/webgpu-cts/slow_tests.txt
@@ -78,10 +78,12 @@
 # END TAG HEADER
 
 ################################################################################
-# Large and slow tests on intel-gen-9 win10
+# Error scope tests are slow across multiple platforms
 ################################################################################
 crbug.com/1406064 [ intel-gen-9 win10 ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100000 [ Slow ]
 crbug.com/1406064 [ intel-gen-9 win10 ] webgpu:api,validation,error_scope:current_scope:errorFilter="validation";stackDepth=100000 [ Slow ]
+crbug.com/dawn/1960 [ android ] webgpu:api,validation,error_scope:current_scope:errorFilter="out-of-memory";stackDepth=100000 [ Slow ]
+crbug.com/dawn/1960 [ android ] webgpu:api,validation,error_scope:current_scope:errorFilter="validation";stackDepth=100000 [ Slow ]
 
 ################################################################################
 # These tests are slow enough that they fail often on a lot of configurations,
@@ -93,3 +95,8 @@
 # Frequently times out on Android Arm (Pixel 6), but the backend validation variants, with longer timeouts don't.
 ################################################################################
 crbug.com/dawn/0000 [ android-t arm dawn-no-backend-validation ] webgpu:api,validation,capability_checks,limits,maxComputeWorkgroupStorageSize:* [ Slow ]
+
+################################################################################
+# May take a while to run on Android Arm (Pixel 6), even with recent shader caching improvements.
+################################################################################
+crbug.com/dawn/1933 [ android arm ] webgpu:shader,execution,zero_init:compute,zero_init:addressSpace="workgroup";* [ Slow ]