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Claude Code v2.1.278

Claude Code v2.1.278
Primary source github.com ↗

Published September 19, 2026 · Category: AI Agents

Overview

What's changed

  • Changed auto mode for Claude API and Enterprise users, and on Bedrock, Vertex, Foundry and gateways, to default to the server-side classifier, which does not charge for classifier overhead (CLAUDE_CODE_AUTO_MODE_SERVER=0 opts out on Bedrock, Vertex, Foundry and gateways); warns on billed fallback. See https://code.claude.com/docs/en/auto-mode-classifier-billing
  • Added an Auto mode server row to /status showing whether this session's auto mode classifier runs on the server

Source

Originally published at github.com.

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