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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.252 ·

New appendSubagentSystemPrompt option threaded through session/agent config

A new appendSubagentSystemPrompt option lets a subagent's system-prompt append differ from the main session's.

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2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SubagentsArea: what it touches
In DevelopmentKind: in v2.1.252,
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Agent and session configuration now accepts a new appendSubagentSystemPrompt option, passed alongside the existing appendSystemPrompt. This lets a subagent-specific system-prompt append be configured separately from the append used for the main session.

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Names in the bundleappendSubagentSystemPrompt

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