Failing bots:
 - Mac FYI Retina Release (AMD): https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Retina%20Release%20%28AMD%29?limit=200
 - Mac FYI Experimental Retina Release (AMD): https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Experimental%20Retina%20Release%20(AMD)

Failing tests:
 - gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rg16f_rg_half_float
 - gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgb565_rgb_unsigned_short_5_6_5
 - gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgb8_rgb_unsigned_byte
 - gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgba8_rgba_unsigned_byte

First failure:
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Retina%20Release%20%28AMD%29/8664

Suspecting https://chromium-review.googlesource.com/c/chromium/src/+/1168155 because it's in the regression range on both failing bots.  A WebGL2 video test also failed as a flake on the mac_optional_gpu_tests_rel tryjob on the CL.
 

Failing bots:
Mac FYI Retina Release (AMD): https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Retina%20Release%20%28AMD%29?limit=200
Mac FYI Experimental Retina Release (AMD): https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Experimental%20Retina%20Release%20(AMD)

Failing tests:
gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rg16f_rg_half_floatgpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgb565_rgb_unsigned_short_5_6_5
gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgb8_rgb_unsigned_byte
gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgba8_rgba_unsigned_byte

First failure:
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Retina%20Release%20%28AMD%29/8664

Suspecting https://chromium-review.googlesource.com/c/chromium/src/+/1168155 because it's in the regression range on both failing bots.  A WebGL2 video test also failed as a flake on the mac_optional_gpu_tests_rel tryjob on the CL.
 

Failing bots:
Mac FYI Retina Release (AMD): https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Retina%20Release%20%28AMD%29?limit=200
Mac FYI Experimental Retina Release (AMD): https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Experimental%20Retina%20Release%20(AMD)

Failing tests:
gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rg16f_rg_half_float
gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgb565_rgb_unsigned_short_5_6_5
gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgb8_rgb_unsigned_byte
gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_video_tex_2d_rgba8_rgba_unsigned_byte

First failure:
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac%20FYI%20Retina%20Release%20%28AMD%29/8664

Suspecting https://chromium-review.googlesource.com/c/chromium/src/+/1168155 because it's in the regression range on both failing bots.  A WebGL2 video test also failed as a flake on the mac_optional_gpu_tests_rel tryjob on the CL.