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conformance · v143

v143 · tcp-socket-pool-limit-randomization — 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://fetch.spec.whatwg.org/#connections chromestatus: #6496757559197696 generated 2026-06-01T11:10:00Z by conformance-author-v1-subagent
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id contract kind verdict detail
fetch-exists fetch() is exposed — the side-channel concern lives at the connection layer below fetch. spec ↗ typeof
abortcontroller-exists AbortController is exposed so tests can hold/release sockets without leaks. spec ↗ typeof
performance-resource-timing PerformanceResourceTiming exposes connectStart/connectEnd — the bus authors used to fingerprint the pool. spec ↗ script
performance-now-available performance.now is available — needed to measure socket-pool exhaustion timing. spec ↗ typeof
reporting-observer-available ReportingObserver exists — networking changes that opt-in deprecation reports can surface via it. spec ↗ exists
navigator-online navigator.onLine is exposed — useful when socket pool changes cause perceived offline-like behavior in tests. spec ↗ script