ReleaseAnthropicAnthropicpublished Jul 24, 2026seen 1d

anthropics/claude-agent-sdk-typescript v0.3.219

anthropics/claude-agent-sdk-typescript

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v0.3.219

Repository: anthropics/claude-agent-sdk-typescript

Tag: v0.3.219

Published: 2026-07-24T17:14:09Z

Prerelease: no

Release notes:

What's changed

  • Added opt-in cancel_queued to the interrupt control request (capability interrupt_cancel_queued_v1): cancels queued and pending-dispatch messages alongside the abort
  • Added fast_mode_disabled_reason to result and init messages so SDK hosts can explain why fast mode is off
  • Added DirectoryAdded lifecycle hook event to the control protocol, fired when a new working directory is registered mid-session
  • Fixed the initialize response reporting fast_mode_state from the spawn-time model after a model switch
  • Added sandbox.network.strictAllowlist to SDK settings types for deterministically denying non-allowlisted hosts in sandboxed commands
  • Added workflowSizeGuideline to SDK settings types for setting the advisory dynamic-workflow size guideline

Update

npm install @anthropic-ai/claude-agent-sdk@0.3.219
# or
yarn add @anthropic-ai/claude-agent-sdk@0.3.219
# or
pnpm add @anthropic-ai/claude-agent-sdk@0.3.219
# or
bun add @anthropic-ai/claude-agent-sdk@0.3.219