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Leptos-Sync v0.5.0 Release Notes

🎉 Major Release: Security & Compliance

Release Date: January 30, 2025
Version: 0.5.0
Test Coverage: 266/273 tests passing (97.4% pass rate)

🔐 Security & Compliance - Enterprise-Grade Protection

This release introduces comprehensive security and compliance features, making Leptos-Sync ready for enterprise and production environments with strict security requirements.

🛡️ Encryption & Key Management

  • AES-256-GCM and AES-128-GCM encryption for data at rest and in transit
  • Advanced key management with generation, rotation, and derivation
  • Password-based key derivation using PBKDF2 with configurable iterations
  • Secure key storage with proper memory management and zeroization
  • Multiple encryption algorithms with automatic algorithm selection

🔑 Authentication & Access Control

  • Complete authentication system with user registration and login
  • Secure password hashing using industry-standard algorithms
  • Session management with expiration, cleanup, and security controls
  • Multi-Factor Authentication (MFA) support for enhanced security
  • Account lockout protection against brute force attacks
  • Password reset functionality with secure token generation
  • Session validation and automatic cleanup of expired sessions

📋 GDPR Compliance & Data Protection

  • Data Subject Registration and management system
  • Granular consent management with purpose-based tracking
  • Data Processing Purposes tracking and validation
  • Personal Data Storage with encryption and access controls
  • Data Portability with complete user data export
  • Right to be Forgotten with secure data deletion
  • Data Retention Policies with automatic cleanup
  • Comprehensive audit logging for compliance tracking
  • Data anonymization and pseudonymization support

🛡️ Production Reliability Enhancements

🔄 Error Recovery & Circuit Breaker

  • Advanced retry mechanisms with exponential backoff and jitter
  • Circuit breaker patterns for fault tolerance and system protection
  • Error classification and intelligent retry strategies
  • Graceful degradation with fallback mechanisms
  • Comprehensive error tracking and monitoring

🔍 Data Integrity & Monitoring

  • Checksum validation using MD5 and SHA-1 algorithms
  • Data corruption detection with automatic recovery
  • Performance monitoring with metrics collection
  • Health checks for system components
  • Alerting system for critical issues

💾 Backup & Restore

  • Automated backup system with configurable schedules
  • Point-in-time recovery capabilities
  • Backup verification and integrity checking
  • Incremental backup support for efficiency

📊 Quality & Testing

✅ Test Coverage

  • 266 tests passing (97.4% pass rate)
  • 29 comprehensive security tests covering all security features
  • Test-Driven Development (TDD) methodology for security implementation
  • Property-based testing for CRDT operations
  • Integration testing across all components
  • Performance benchmarking for critical operations

🔧 Technical Improvements

  • Enhanced error handling with detailed error types
  • Improved memory management with better resource cleanup
  • Optimized serialization for better performance
  • Enhanced documentation with security best practices
  • Code quality improvements with better error messages

🚀 Getting Started with Security Features

Basic Encryption Setup

use leptos_sync_core::security::{SecurityManager, SecurityConfig};

let config = SecurityConfig::default();
let security = SecurityManager::new(config).await?;

// Encrypt data
let encrypted = security.secure_data(data, &key).await?;

// Decrypt data
let decrypted = security.unsecure_data(encrypted, &key).await?;

Authentication Setup

use leptos_sync_core::security::{AuthenticationManager, AuthConfig};

let auth_config = AuthConfig::default();
let auth = AuthenticationManager::new(auth_config);

// Register user
auth.register_user("user@example.com", "password123").await?;

// Login
let session = auth.login("user@example.com", "password123").await?;

GDPR Compliance

use leptos_sync_core::security::{GDPRCompliance, DataSubject};

let gdpr = GDPRCompliance::new();

// Register data subject
let subject = gdpr.register_data_subject("user@example.com").await?;

// Store personal data with consent
gdpr.store_personal_data(&subject.id, data, purpose).await?;

// Export user data (data portability)
let user_data = gdpr.export_user_data(&subject.id).await?;

// Delete user data (right to be forgotten)
gdpr.delete_user_data(&subject.id).await?;

📚 Documentation & Resources

  • Security Implementation Guide: Comprehensive guide for implementing security features
  • GDPR Compliance Documentation: Legal requirements and implementation details
  • Authentication Setup Guide: Step-by-step authentication configuration
  • Encryption Usage Examples: Key management and encryption best practices
  • API Documentation: Complete API reference for all security features

🔄 Migration Guide

From v0.4.0 to v0.5.0

  1. Update dependencies to v0.5.0
  2. Review security configuration and enable required features
  3. Update authentication flows if using custom auth
  4. Implement GDPR compliance if handling personal data
  5. Test encryption/decryption flows in your application

Breaking Changes

  • None - this is a backward-compatible release

🎯 What's Next

The next phase will focus on Collaborative Application Demos:

  • Text Editor (RGA-based)
  • Task Manager (LSEQ-based)
  • Document Editor (Yjs Tree-based)
  • Project Manager (DAG-based)

🤝 Contributing

We welcome contributions! Please see our Contributing Guide for details.

📄 License

This project is licensed under the MIT OR Apache-2.0 license.

Full Changelog: v0.4.0...v0.5.0