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Claude Code v0.2.123 ·

馃啎 New Features

Entry
JSON All of v0.2.123
EntryKind: in v0.2.123,
ChangesSection of the release

Claude 3.7 Sonnet Model Support

  • New Model Available: Added support for Claude 3.7 Sonnet, the latest and most capable model
  • Default Model Update: Claude 3.7 Sonnet is now the default recommended model
  • Model Selection UI: Updated model selector now shows:
  • "Sonnet (recommended)" - Claude 3.7 Sonnet for daily use 路 $3/$15 per Mtok
  • For MAX users: "Default (recommended)" - Use the best available model for MAX usage limits
  • New Model String Functions: Added sonnet37 model references alongside existing haiku35 and sonnet35

AWS Bedrock Integration Improvements

  • Dynamic Model Discovery: Added automatic detection of available Anthropic models in AWS Bedrock
  • Model Inference Profiles: New support for AWS Bedrock inference profiles to discover and use available Claude models
  • Auto-configuration: The CLI now automatically finds and configures available Claude models when using Bedrock as the provider:
  // Example of discovered models:
  {
    haiku35: "claude-3-5-haiku-20241022",
    sonnet35: "claude-3-5-sonnet-20241022", 
    sonnet37: "claude-3-7-sonnet-20250219"
  }

Native Binary Auto-Updater (Experimental)

  • Local Installation Support: New native binary installation and update system that doesn't require npm
  • Auto-Update Mechanism: Automatic background updates without requiring restarts
  • Shell Integration: Automatically sets up claude alias in your shell configuration (.bashrc, .zshrc, or .config/fish/config.fish)
  • Version Management: Tracks "latest" and "known-good" versions with automatic fallback
  • Update Status Display: Shows update progress and success/failure status in the UI
  • Installation Command: Run migration with the new installation system when feature is enabled

IDE Integration Enhancements

  • Real-time Diagnostics: New diagnostics integration that tracks code issues in real-time
  • Diagnostic Tracking: Monitors and reports new diagnostic issues (errors, warnings, lints) that appear after file edits
  • Smart Diagnostic Filtering: Only shows diagnostics that appeared after Claude made changes, filtering out pre-existing issues
  • Multi-source Support: Handles diagnostics from both regular files (file://) and Claude's virtual file system (_claude_fs_right:)
  • Linter Recognition: Identifies diagnostics from popular linters including ESLint, Prettier, Pylint, RuboCop, and many others

Enhanced Rate Limit Handling

  • MAX Tier Detection: New ability to detect Claude MAX subscription tiers (5x and 20x rate limits)
  • Intelligent Fallback: Automatic model fallback when hitting rate limits for MAX users
  • Unified Rate Limit System: New unifiedRateLimitFallbackAvailable flag for better rate limit management
  • Quota Checking: New D65() function to check API quota status

See this entry in the whole of v0.2.123 →

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