ReleaseAnthropicAnthropicpublished Sep 9, 2026seen 2h

anthropics/claude-agent-sdk-typescript v0.3.267

anthropics/claude-agent-sdk-typescript

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anthropics/claude-agent-sdk-typescript v0.3.267
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published Sep 9, 2026seen 2hcaptured 1hhttp 200method plain

v0.3.267

Repository: anthropics/claude-agent-sdk-typescript

Tag: v0.3.267

Published: 2026-09-09T19:58:41Z

Prerelease: no

Release notes:

What's changed

  • Added getCcrEvent(query, message) and getSseLastSequenceNum(query) to the browser SDK's SSE transport, plus fromSequenceNum, onCatchUpTruncated and onDeliveryUpdate SSE options
  • Changed systemPrompt recording to default on for custom prompts and appends (a mid-session prompt change takes effect at the next compaction); pass snapshot: false to keep per-request rendering
  • Updated to parity with Claude Code v2.1.267

Update

npm install @anthropic-ai/claude-agent-sdk@0.3.267
# or
yarn add @anthropic-ai/claude-agent-sdk@0.3.267
# or
pnpm add @anthropic-ai/claude-agent-sdk@0.3.267
# or
bun add @anthropic-ai/claude-agent-sdk@0.3.267