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conformance · v144

v144 · rtcdegradationpreference-enum-value-maintain-framerate-and-resolution — conformance probe

4 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://www.w3.org/TR/mst-content-hint/#dom-rtcdegradationpreference-maintain-framerate-and-resolution chromestatus: #5156290162720768 generated 2026-06-01T08:03:56Z by conformance-author-v1-subagent
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pass
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fail
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blocked
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id contract kind verdict detail
rtcrtpsender-exists RTCRtpSender is exposed; degradationPreference is a parameter on its send parameters. spec ↗ exists
rtcpeerconnection-exists RTCPeerConnection exists — the constructor for sender objects. spec ↗ exists
maintain-framerate-and-resolution-accepted Setting degradationPreference to 'maintain-framerate-and-resolution' on send parameters does not throw with TypeError for an unknown enum. spec ↗ script
degradationPreference-readable RTCRtpSendParameters.degradationPreference is enumerable on getParameters() result. spec ↗ script