Claude Code 2.1.239 full changelog: Bedrock double-billing fix, startup hangs resolved
ClaudeCodeLog · x · 2026-08-22
Detailed changelog for Claude Code CLI 2.1.239:
New
- One-time fullscreen renderer offer now appears on Bedrock, Vertex, Foundry and other previously excluded setups;
- New /claude-api upgrade skill migrates Python projects from anthropic 0.x to 1.x (timeouts use anthropic.Timeout, not httpx.Timeout).
Fixes
- Bedrock behind proxies stripping Content-Type silently doubled billed calls by re-running every turn non-streaming — fixed;
- Fixed startup hang behind an HTTPS proxy with Bedrock SSO + awsAuthRefresh; credential pre-check now honors HTTPSPROXY;
- Fixed raw crash dump when launched from a deleted directory;
- Fixed Edit/Write calls slowing down due to 5s pauses.
Related event: Claude Code 2.1.239 Adds Cost Estimation and Agent Fixes(4 posts)→
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