Claude Code 2.1.45 release notes

Version

2.1.45

Released

17 February 2026

Status

Stable release

What's new in Claude Code 2.1.45

The official notes for Claude Code 2.1.45 list 15 changes: 4 new features, 7 fixes, 2 performance improvements and 2 other changes.

• 4 new features
• 7 fixes
• 2 performance improvements
• 2 other changes

Highlights

• new feature Added support for Claude Sonnet 4.6
• new feature Added support for reading enabledPlugins and extraKnownMarketplaces from --add-dir directories
• new feature Added spinnerTipsOverride setting to customize spinner tips — configure tips with an array of custom tip strings, and optionally set…
• new feature Added SDKRateLimitInfo and SDKRateLimitEvent types to the SDK, enabling consumers to receive rate limit status updates including utilization, reset times…
• performance improvement Improved startup performance by removing eager loading of session history for stats caching

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 2.1.45)

All Claude Code release notes · All releases

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