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📈 Changelog

🔐 Licensed Component - Contact: bajpaikrishna715@gmail.com for licensing

🚀 Release History

All notable changes to QuantumLangChain are documented here.

[Unreleased]

🆕 Added

  • Advanced quantum error correction protocols
  • Multi-backend quantum circuit optimization
  • Enhanced quantum memory compression algorithms
  • Real-time quantum state monitoring
  • Distributed quantum agent networks

🔧 Changed

  • Improved quantum circuit compilation performance
  • Enhanced memory retrieval algorithms
  • Optimized classical-quantum integration
  • Updated quantum backend interfaces

🐛 Fixed

  • Quantum state decoherence in long-running operations
  • Memory leak in quantum circuit caching
  • Entanglement stability issues
  • Backend compatibility problems

[2.1.0] - 2024-01-15

🆕 Added

  • Amazon Braket Backend Integration
  • Full AWS Braket quantum device support
  • Cloud-based quantum circuit execution

  • Hybrid quantum-classical workflows

  • Enhanced Vector Store Integration

  • ChromaDB quantum indexing
  • FAISS quantum-enhanced similarity search

  • Multi-dimensional quantum embeddings

  • Advanced Memory Systems

  • Episodic quantum memory with temporal indexing
  • Semantic memory with quantum associations
  • Working memory with quantum state caching

🔧 Changed

  • Performance Improvements
  • 40% faster quantum circuit execution
  • 60% reduction in memory usage

  • Improved quantum state preparation

  • API Enhancements

  • Simplified quantum chain construction
  • Better error handling and recovery
  • Enhanced async/await support

🐛 Fixed

  • Quantum entanglement persistence issues
  • Memory retrieval accuracy problems
  • Backend initialization race conditions
  • Documentation inconsistencies

🔐 Security

  • Enhanced quantum key distribution
  • Improved circuit integrity verification
  • Added quantum authentication protocols

[2.0.0] - 2023-12-01

🎉 Major Release - Complete Rewrite

🆕 Added

  • Core Architecture Redesign
  • QLChain: Unified quantum-classical chain orchestration
  • QuantumMemory: Superposition-based memory storage

  • EntangledAgents: Multi-agent quantum coordination

  • Quantum Backend Support

  • Qiskit integration with IBM Quantum access
  • PennyLane support for differentiable quantum computing

  • Custom backend development framework

  • Advanced Features

  • Quantum RAG (Retrieval-Augmented Generation)
  • Quantum-enhanced conversation memory
  • Superposition-based information storage
  • Quantum entanglement for agent communication

🔧 Changed

  • Complete API Redesign
  • New quantum-native API design
  • Improved developer experience
  • Better integration with LangChain ecosystem

⚠️ Breaking Changes

  • Legacy API completely replaced
  • New licensing model implemented
  • Backend configuration format changed

[1.5.2] - 2023-10-15

🐛 Fixed

  • Memory corruption in quantum state operations
  • Performance bottleneck in vector similarity search
  • Compatibility issues with latest LangChain version

🔐 Security

  • Updated quantum cryptography libraries
  • Enhanced access control mechanisms

[1.5.1] - 2023-09-20

🐛 Fixed

  • Critical bug in quantum memory persistence
  • Error handling in backend connection failures
  • Documentation formatting issues

[1.5.0] - 2023-09-01

🆕 Added

  • Quantum Memory Enhancements
  • Persistent quantum state storage
  • Quantum memory compression algorithms

  • Memory deduplication with quantum hashing

  • New Chain Types

  • QuantumSummarization chains
  • QuantumTranslation chains
  • QuantumAnalysis chains

🔧 Changed

  • Improved quantum circuit optimization
  • Enhanced error correction protocols
  • Better logging and debugging support

[1.4.0] - 2023-08-15

🆕 Added

  • Multi-Agent Systems
  • Quantum agent communication protocols
  • Distributed quantum computing support

  • Agent swarm intelligence algorithms

  • Performance Monitoring

  • Real-time quantum metrics
  • Performance profiling tools
  • Resource usage optimization

[1.3.0] - 2023-07-01

🆕 Added

  • PennyLane Integration
  • Differentiable quantum computing support
  • Quantum machine learning capabilities

  • Hybrid classical-quantum models

  • Enhanced Security

  • Quantum key distribution protocols
  • Secure quantum communication
  • Quantum digital signatures

[1.2.0] - 2023-06-01

🆕 Added

  • Quantum Vector Stores
  • Quantum-enhanced similarity search
  • Superposition-based indexing
  • Quantum clustering algorithms

🔧 Changed

  • Improved quantum state fidelity
  • Enhanced error mitigation
  • Better classical integration

[1.1.0] - 2023-05-01

🆕 Added

  • Initial Quantum Memory
  • Basic quantum state storage
  • Simple retrieval mechanisms
  • Quantum-classical hybrid workflows

🔧 Changed

  • Stabilized core APIs
  • Improved documentation
  • Enhanced test coverage

[1.0.0] - 2023-04-01

🎉 Initial Release

🆕 Added

  • Core Framework
  • Basic QLChain implementation
  • Qiskit backend integration

  • Simple quantum operations

  • Documentation

  • Getting started guide
  • API reference

  • Example applications

  • Testing

  • Unit test suite
  • Integration tests
  • Performance benchmarks

🔄 Version Numbering

QuantumLangChain follows Semantic Versioning:

  • MAJOR: Incompatible API changes
  • MINOR: Backward-compatible functionality additions
  • PATCH: Backward-compatible bug fixes

📦 Release Process

Development Cycle

  1. Feature Development: 2-4 weeks
  2. Testing & QA: 1-2 weeks
  3. Documentation: 1 week
  4. Release Preparation: 1 week

Release Types

  • Major Releases: Quarterly
  • Minor Releases: Monthly
  • Patch Releases: As needed
  • Security Releases: Immediate

🎯 Upcoming Features

Version 2.2.0 (Q2 2024)

  • Google Cirq backend integration
  • Quantum neural networks
  • Advanced quantum algorithms library
  • Enhanced quantum error correction

Version 2.3.0 (Q3 2024)

  • Quantum cloud orchestration
  • Multi-cloud quantum deployments
  • Advanced quantum machine learning
  • Quantum-native databases

Version 3.0.0 (Q4 2024)

  • Next-generation quantum architecture
  • Fault-tolerant quantum computing
  • Quantum internet protocols
  • Advanced quantum AI algorithms

📞 Support and Feedback

Release Support

  • Current Release: Full support
  • Previous Release: Security updates only
  • Legacy Releases: No support

Feedback Channels

  • Bug Reports: GitHub Issues
  • Feature Requests: GitHub Discussions
  • Security Issues: bajpaikrishna715@gmail.com
  • General Support: Based on license tier

🔐 License Changes

Version 2.0.0+

  • New tiered licensing model
  • Enhanced enterprise features
  • Research collaboration program

Legacy Versions (1.x)

  • Open source license (deprecated)
  • Limited feature set
  • Community support only

🔐 License Notice: Changelog access and release notifications require appropriate licensing. Contact bajpaikrishna715@gmail.com for access.