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fix(twilio): restore reliable media streams - #2270
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🦋 Changeset detectedLatest commit: 1f08b22 The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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⚪ agents import sizesMeasured 343 runtime imports as minified bundles. The primary size is gzip; raw minified size is included for diagnosis. An existing import growing by more than 10% is marked red. This report is informational.
Compared No import sizes changed. All 343 current runtime imports
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September 14, 2026 12:33
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This PR fixes three failures in the
@cloudflare/voice-twiliocall path: Durable Object connection failures, dropped binary audio, and delayed barge-in. Fixes #2259, #2260, and #2261.Why
DurableObjectStub.fetch()requires an HTTP(S) URL with anUpgrade: websocketheader. Twilio could connect to the Worker while the agent connection silently failed.Blob, while the adapter only handledArrayBufferframes. Calls remained silent even after the agent connected.playback_interruptwas insufficient because Twilio's buffered playback can outlive the active agent pipeline. The adapter now detects sustained caller speech while playback is expected and interrupts both sides of the bridge.clearrequirement and buffered-playback timing are specific to Twilio Media Streams. The separate Nova-3 speech-start behavior remains outside this patch.Code Changes
binaryTypetoarraybufferand accept bothBlobandArrayBufferaudio frames.playback_interruptmessages into Twilio Media Streamsclearevents.interruptto the VoiceAgent, and gate stale outbound audio until the agent advances to its next lifecycle state.@cloudflare/voice-twilio.