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CHANGELOG.md

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Habit Tracking Web Application Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Component versions are tracked separately:

  • Frontend: [src/web/package.json]
  • Backend: [src/backend/package.json]
  • Database Schema: [src/backend/src/db/migrations]

[1.0.0] - 2024-01-15

Component Versions

  • Frontend: v1.0.0
  • Backend: v1.0.0
  • Database Schema: v1.0.0

Added

  • [High][System] Initial release of the Habit Tracking Web Application
  • [High][Frontend] Progressive Web Application (PWA) implementation with offline support
  • [High][Frontend] Responsive dashboard with habit tracking interface
  • [High][Frontend] Data visualization components for progress tracking
  • [High][Backend] RESTful API implementation with Express.js
  • [High][Backend] Authentication system using Auth0 integration
  • [High][Backend] Habit management service with CRUD operations
  • [High][Database] Initial schema with users, habits, and tracking tables
  • [Medium][Frontend] Achievement system UI components
  • [Medium][Backend] Analytics service for habit statistics
  • [Medium][System] Monitoring and logging infrastructure

Security

  • [High][System] Implementation of security headers and CSP
  • [High][Backend] JWT-based authentication flow
  • [High][Database] Data encryption at rest
  • [Medium][Backend] Rate limiting on API endpoints
  • [Medium][System] Audit logging system

Migration Guide

For initial deployment, follow these steps:

  1. Deploy database migrations
  2. Configure environment variables
  3. Deploy backend services
  4. Deploy frontend application
  5. Configure CDN and security settings

Compatibility Matrix

Frontend Backend Database Status
1.0.x 1.0.x 1.0.x ✓

[0.9.0] - 2024-01-01 (Beta Release)

Component Versions

  • Frontend: v0.9.0
  • Backend: v0.9.0
  • Database Schema: v0.9.0

Added

  • [High][Frontend] Beta version of user interface
  • [High][Backend] Core API functionality
  • [High][Database] Initial schema implementation

Changed

  • [Medium][Frontend] Optimized bundle size and loading performance
  • [Medium][Backend] Enhanced error handling and validation

Known Issues

  • Limited offline functionality
  • Performance optimizations pending
  • Analytics features in beta

[0.8.0] - 2023-12-15 (Alpha Release)

Component Versions

  • Frontend: v0.8.0
  • Backend: v0.8.0
  • Database Schema: v0.8.0

Added

  • [High][System] Alpha version infrastructure setup
  • [High][Frontend] Core UI components
  • [High][Backend] Basic API endpoints
  • [High][Database] Schema prototype

Changed

  • [Medium][System] Development environment configuration
  • [Medium][Frontend] Component architecture refinement

Known Issues

  • Limited feature set
  • Testing coverage incomplete
  • Security features in development

Unreleased

Added

  • Enhanced data export capabilities
  • Advanced analytics features
  • Social sharing functionality

Changed

  • Performance optimizations
  • UI/UX improvements
  • API response optimization

Planned

  • Multi-language support
  • Advanced notification system
  • Machine learning recommendations

Note: Unreleased changes are subject to modification before final release.