Anthropic releases Claude Agent SDK TypeScript v0.3.287 with latency fields and stream fixes
Anthropic published claude-agent-sdk-typescript v0.3.287, adding optional remote-session latency fields (first_text_post_queue_wait_ms, first_text_post_queued_behind) to success results. It fixes includePartialMessages streams that sent message_stop late or never, revoked claude.ai login errors, in-process MCP tool calls left waiting after server removal, and duplicate or early commands_changed events. The release reaches parity with Claude Code v2.1.287.
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