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docs: update changelog with comprehensive v2.14.1 changes

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The v2.14.1 release contains the entire telemetry system refactor with:
- Major architectural improvements (modularization)
- Security & privacy enhancements
- Performance & reliability improvements
- Test coverage increase from 63% to 91%
- Multiple bug fixes for CI/test failures
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czlonkowski
2025-09-26 19:34:39 +02:00
parent 09bbcd7001
commit fecc584145
1 changed files with 35 additions and 4 deletions
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CHANGELOG.md
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@@ -7,15 +7,46 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [2.14.1] - 2025-09-26
### Changed
- **BREAKING**: Refactored telemetry system with major architectural improvements
- Split 636-line TelemetryManager into 7 focused modules (event-tracker, batch-processor, event-validator, rate-limiter, circuit-breaker, workflow-sanitizer, config-manager)
- Changed TelemetryManager constructor to private, use `getInstance()` method now
- Implemented lazy initialization pattern to avoid early singleton creation
### Added
- Security & Privacy enhancements for telemetry:
- Comprehensive input validation with Zod schemas
- Enhanced sanitization of sensitive data (URLs, API keys, emails)
- Expanded sensitive key detection patterns (25+ patterns)
- Row Level Security on Supabase backend
- Data deletion contact info (romuald@n8n-mcp.com)
- Performance & Reliability improvements:
- Sliding window rate limiter (100 events/minute)
- Circuit breaker pattern for network failures
- Dead letter queue for failed events
- Exponential backoff with jitter for retries
- Performance monitoring with overhead tracking (<5%)
- Memory-safe array limits in rate limiter
- Comprehensive test coverage enhancements:
- Added 662 lines of new telemetry tests
- Enhanced config-manager tests with 17 new edge cases
- Enhanced workflow-sanitizer tests with 19 new edge cases
- Improved coverage from 63% to 91% for telemetry module
- Branch coverage improved from 69% to 87%
### Fixed
- Fixed TypeScript lint errors in telemetry test files
- TypeScript lint errors in telemetry test files
- Corrected variable name conflicts in integration tests
- Fixed process.exit mock implementation in batch-processor tests
- Fixed tuple type annotations for workflow node positions
- Resolved MockInstance type import issues
- Fixed test failures in CI pipeline for telemetry system
- Tests now pass with 90.75% coverage for telemetry module
- All unit and integration tests passing successfully
- Test failures in CI pipeline
- Fixed test timeouts caused by improper fake timer usage
- Resolved Timer.unref() compatibility issues
- Fixed event validator filtering standalone 'key' property
- Corrected batch processor circuit breaker behavior
- TypeScript error in telemetry test preventing CI build
- Added @supabase/supabase-js to Docker builder stage and runtime dependencies
## [2.14.0] - 2025-09-26