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Claude Code 2.1.78 release notes

Version
2.1.78
Released
Status
Stable release

What's new in Claude Code 2.1.78

The official notes for Claude Code 2.1.78 list 26 changes: 4 new features, 16 fixes, 1 performance improvement, 1 security change and 4 other changes.

  • 4 new features
  • 16 fixes
  • 1 performance improvement
  • 1 security change
  • 4 other changes

Highlights

  • security change Security: Fixed silent sandbox disable when sandbox.enabled: true is set but dependencies are missing — now shows a visible startup…
  • new feature Added StopFailure hook event that fires when the turn ends due to an API error (rate limit, auth failure, etc.)
  • new feature Added ${CLAUDE_PLUGIN_DATA} variable for plugin persistent state that survives plugin updates; /plugin uninstall prompts before deleting it
  • new feature Added effort, maxTurns, and disallowedTools frontmatter support for plugin-shipped agents
  • new feature Added ANTHROPIC_CUSTOM_MODEL_OPTION env var to add a custom entry to the /model picker, with optional _NAME and _DESCRIPTION suffixed vars…

Our short summary: changes are counted and classified automatically from the official notes, and highlights are shortened. The complete, authoritative list is in the official release notes on GitHub.

Full release notes on GitHub (Claude Code 2.1.78)

Latest Claude Code version

2.1.296

Released · Official notes on GitHub

All Claude Code release notes · All releases

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