Claude Code v2.0.17

Added Haiku 4.5 to model selector!

Introducing the Explore subagent. Powered by Haiku it'll search through your codebase efficiently to save context!

Haiku 4.5 automatically uses Sonnet in plan mode, and Haiku for execution (i.e. SonnetPlan by default)

3P (Bedrock and Vertex) are not automatically upgraded yet. Manual upgrading can be done through setting ANTHROPIC_DEFAULT_HAIKU_MODEL

OTEL: support HTTP_PROXY and HTTPS_PROXY

CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC now disables release notes fetching