← back to v141 · webassembly-custom-descriptors

conformance · v141

v141 · webassembly-custom-descriptors — conformance probe

6 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/WebAssembly/custom-descriptors/blob/main/proposals/custom-descriptors/Overview.md chromestatus: #6024844719947776 generated 2026-06-01T08:13:08Z by conformance-author-v1-subagent
0
pass
0
fail
0
blocked
6
total
id contract kind verdict detail
webassembly-global WebAssembly is exposed globally; custom descriptors are an extension of the wasm module surface. exists
webassembly-module-constructor WebAssembly.Module is a constructor; modules declare and import the custom descriptor builtins this proposal adds. typeof
webassembly-instantiate WebAssembly.instantiate is callable; the JS<->wasm boundary is where custom descriptor prototypes become observable. typeof
webassembly-validate-callable WebAssembly.validate accepts an ArrayBuffer; the proposal adds new type-section forms that validate against this entry point. script
webassembly-gc-anyref WebAssembly.Function or anyref/externref handling exists; custom descriptors build on the WasmGC proposal which exposes typed references. script
imported-builtin-pattern WebAssembly.Module.imports is exposed for inspecting the imported builtin functions that the custom descriptor declarative form uses. typeof