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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 v2.1.274 ·

Agent-summary generation now rejects unusable replies and tracks consecutive rejects

Background-agent summaries now get rejected outright if unparseable, with a running count of failures

Under the hood Improvements
JSON All of v2.1.274
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
ImprovementsKind: in v2.1.274,
ImprovementsSection of the release
What

When Claude Code generates a short summary of what a background agent (a subagent running a task in the background) is doing, it now parses the model's reply and, if that parsing fails, throws the reply away instead of storing it as the summary. Previously it would just trim any non-empty reply and use it regardless. A count of consecutive rejected replies is now tracked and reported.

Why

This avoids showing garbled or unusable text as a background agent's summary, at the cost of sometimes having no summary at all when the model's reply can't be parsed.

See this entry in the whole of v2.1.274 →

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