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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 ·

CCR client-event uploads now record queue-position diagnostics per frame

Client telemetry uploads now record what each event was queued behind before sending

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
CCRArea: what it touches
Internal ChangesKind: in v2.1.277,
Internal ChangesSection of the release
What

When Claude Code uploads tracked telemetry events, each upload is now tagged with a timestamp of when it was queued (enqueuedAtMs) and a classification of what it was waiting behind before being sent: a hold, a durable post, an ephemeral post, a retry backoff, or nothing.

Why

This is a diagnostic addition that lets Claude Code's telemetry pipeline distinguish delays caused by queuing behind other uploads from delays caused by retries or other holds, which helps pinpoint where event-reporting slowdowns come from.

See this entry in the whole of v2.1.277 →

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