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Claude Code v2.1.207: Auto mode needs no opt-in anymore, and Opus 4.8 is now the default!

Claude Code Release ★★★ View Markdown
#anthropic#ai#devops

Hey everyone, it's me, Shiichan! There's a new Claude Code release out, so let's take a look at what's inside.

Claude Code Release github.com

What was announced?

According to the Claude Code Release notes, v2.1.207 of Claude Code just shipped. The headline items are a change to how Auto mode works, plus a large batch of bug fixes.

The story so far

Until now, using Auto mode on Bedrock, Vertex AI, and Foundry required opting in via the CLAUDE_CODE_ENABLE_AUTO_MODE environment variable. The default model on those three platforms had also been something other than the latest Opus model for a while.

What changes

Starting with this version, Auto mode is available by default, with no opt-in needed, on Bedrock, Vertex AI, and Foundry. If you don't want it, you can turn it off with disableAutoMode in settings. Alongside that, the default model on Bedrock, Vertex, and Claude Platform on AWS has changed to Claude Opus 4.8. If you're on any of these platforms, just updating gets you these changes automatically.

Dive Deep

This release also carries a hefty list of bug fixes. Here are the ones that caught my eye:

  • Fixed the terminal freezing and keystrokes lagging while streaming responses containing very long lists, tables, paragraphs, or code blocks
  • Fixed remote managed settings from non-interactive runs (claude -p, the SDK) being permanently recorded as consented without ever showing the security consent dialog
  • Fixed spurious prompt-injection warnings triggered by benign system-generated conversation updates
  • Fixed the auto-updater overwriting a custom launcher script or symlink at ~/.local/bin/claude on every release (/doctor now reports an externally managed launcher)
  • Fixed compound commands with cd prompting for permission when the only output redirect was to /dev/null
  • Fixed extensions.worktreeConfig being left in the repo's .git/config (breaking go-git tools like tea) after the last worktree.sparsePaths worktree was removed
  • Fixed malformed bracket patterns in rules globs, skill paths, .ignore, and .worktreeinclude breaking file reads and worktree creation
  • Fixed a crash loop in agent teams caused by a malformed teammate mailbox message
  • Changed plugin hooks/monitors/MCP headersHelper to reject ${user_config.*} in shell-form commands (a shell-injection fix)
  • Changed /usage-credits to require typed confirmation for amounts over $1,000

On top of these, there are several smaller fixes too, covering Remote Control task status updates, background agent progress display, and a hang on Windows during AWS credential resolution.

Wrap-up

  • Auto mode no longer needs an opt-in on Bedrock, Vertex AI, and Foundry (can still be disabled via disableAutoMode)
  • The default model on Bedrock, Vertex, and Claude Platform on AWS is now Claude Opus 4.8
  • A large batch of bug fixes ships alongside, including a terminal freeze fix, a security consent dialog fix, and a shell-injection hardening fix

If you run Claude Code on Bedrock or Vertex AI, this is a release where updating gets you an immediately noticeable difference!

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