ctrlshiftleft/docs/RELEASE_NOTES_1.4.0.md

AI-powered toolkit for embedding QA and security testing into development workflows

# ctrl.shift.left v1.4.0 Release Notes

Release Date: 2025-04-26

## [1.4.0] - 2025-04-26

### Added
- **Enhanced Security Analysis**
  - React-specific security pattern detection for improved frontend security analysis
  - API route analyzer for enhanced server-side security checks
  - Configuration-based security pattern customization through `.ctrlshiftleft/config.js`
  - Runtime extensibility for security patterns

- **Performance Metrics**
  - Comprehensive performance tracking for all toolkit operations
  - Performance reporting in JSON and Markdown formats
  - Dedicated `perf` command for performance analysis
  - Integration of metrics into all commands with `--perf` flag

- **Cross-Platform Compatibility**
  - Platform-agnostic path normalization for consistent behavior across OSes
  - Line ending management (auto, LF, CRLF) for different platforms
  - Cross-platform test suite via `test:cross-platform` command
  - Windows/macOS/Linux compatibility improvements

- **Error Handling & Recovery**
  - Standardized error categorization and reporting
  - Automatic recovery strategies for common errors
  - Detailed error logs with actionable recovery steps
  - Fallback templates when generation fails

### Changed
- Security analyzer now uses enhanced patterns by default
- All commands now respect the configuration file settings
- Command-line interface provides more verbose error handling
- Improved output path handling with cross-platform compatibility

### Fixed
- Path resolution issues in security report output
- Output directory creation now works consistently across platforms
- Error handling for missing files and directories
- Type errors in TypeScript utility modules

### Documentation
- Added `V1_4_0_FEATURES.md` detailing all new features
- Added `UPGRADING_TO_V1_4.md` guide for existing users
- Updated integration with AI-powered security analysis documentation