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conformance · v138

v138 · webgpu-deprecate-gpuadapter-isfallbackadapter-attribute — conformance probe

5 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://github.com/gpuweb/gpuweb/pull/5099 chromestatus: #4870179714236416 generated 2026-06-01T09:54:00Z by conformance-author-v1-subagent
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id contract kind verdict detail
gpu-exposed-or-skip navigator.gpu is exposed when WebGPU is supported (otherwise this assertion is skipped via short-circuit). spec ↗ script
gpuadapter-still-defined GPUAdapter interface is defined. spec ↗ script
gpuadapterinfo-isfallbackadapter-canonical The canonical place for isFallbackAdapter is now GPUAdapterInfo; verify the interface name exists in the runtime. spec ↗ script
gpuadapter-isfallbackadapter-still-on-prototype-deprecated The deprecated GPUAdapter.prototype.isFallbackAdapter still exists for the deprecation window (will be removed in a future release). spec ↗ script
request-adapter-callable navigator.gpu.requestAdapter is a function when WebGPU is exposed — needed to obtain a GPUAdapter to check the deprecated attribute. spec ↗ script