Claude Code 2.1.299 release notes

Version

2.1.299

Released

14 October 2026

Status

Stable release

What's new in Claude Code 2.1.299

The official notes for Claude Code 2.1.299 list 190 changes: 17 new features, 115 fixes, 1 performance improvement, 2 security changes and 55 other changes.

• 17 new features
• 115 fixes
• 1 performance improvement
• 2 security changes
• 55 other changes

Highlights

• security change Fixed an agent teammate started without a description keeping part of a credential from its prompt in the task description…
• security change Self-hosted runner: Improved what setup and doctor say when the runner's machine has no git credentials
• new feature Added CLAUDE_CODE_DISABLE_FILE_MENTIONS environment variable: Claude gets the paths of @ file mentions to read with its file tools, not the…
• new feature Added idle compaction in the terminal: a 200K+ token conversation left idle for about 54 minutes is compacted before its…
• new feature Added CLAUDE_CODE_IDLE_COMPACT_MIN_TOKENS to change idle compaction's 200K-token minimum; "idleCompaction": false in settings.json turns it off. Both need v2.1.290 or later

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 2.1.299)

All Claude Code release notes · All releases

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