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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.277 ·

Timing telemetry added around user-message ingestion in headless bridge

Headless bridge mode now records per-stage timing for incoming user messages and warns if a flag-settle step runs late

Under the hood Internal Changes
JSON All of v2.1.277
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.277,
Internal ChangesSection of the release
What

The part of the headless/bridge loop that processes incoming user messages now records timings for several stages: deduplication, waiting for flags to settle, running the receive hook, and inlining attachments. If a particular flag-settle wait (related to a component called 'hearth-relay') takes longer than its expected deadline, a warning-level event is now emitted.

Why

This timing data and warning make it possible to spot when user-message processing in headless mode is running slower than expected, and pinpoint which stage is responsible.

See this entry in the whole of v2.1.277 →

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