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Changelog

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

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

[1.0.0] - 2025-12-31

🎉 Initial Release

The first public release of Focusync! A calm, privacy-focused productivity timer.

Added

Core Focus Features

  • Immersive focus sessions with fullscreen mode
    • Configurable durations (5 min to 2 hours)
    • Multiple session modes (Deep, Normal, Light)
    • Pause/Resume functionality
    • Tap-to-pause gesture
    • Smooth circular progress timer

Distraction Detection

  • Automatic app lifecycle tracking to detect distractions
  • Progressive warning system with 4 severity levels
    • Amber warning (1st distraction)
    • Orange warning (2nd distraction)
    • Red warning (3-5 distractions)
    • Serious warning (6+ distractions)
  • Distraction counter displayed in session and home screen
  • Platform limitations documentation (Android/iOS differences)

Break Sessions

  • Guided breathing animation for restorative breaks
    • 4-4-6-2 breathing pattern
    • 3 concentric circles with smooth scaling
    • Text prompts (Breathe in, Hold, Breathe out)
    • Progress dots showing cycle position
  • Flexible break durations with skip option
  • Skip confirmation sheet to prevent accidental skips

Session Completion

  • Celebration screen with subtle confetti animation
    • 40 particles with physics-based falling
    • Indigo/blue/purple color palette
    • 4-second duration, optimized performance
  • Focus quality scoring based on distraction rate
    • 90%+: Outstanding
    • 70-89%: Great
    • 50-69%: Good
    • <50%: Completed
  • Session statistics grid
    • Total time
    • Focus quality percentage
    • Distraction count
    • Current streak (placeholder)
  • Detailed feedback messages based on performance
  • Quick action buttons (Another Session, Take Break, View History, Home)

Analytics Dashboard

  • Today's focus summary with large time display
  • Weekly focus chart with animated bars
    • 7-day view (Monday-Sunday)
    • Staggered entry animation
    • Today highlighted in indigo
    • Shows daily minutes
  • Focus quality sparkline with trend visualization
    • Smooth bezier curves
    • Gradient fill
    • Animated dots at data points
  • Consistency tracking (Current & Best streaks)
  • Actionable insights based on patterns
    • Best day of week detection
    • Consistency feedback
    • Quality improvement suggestions
  • No vanity metrics (no lifetime totals, leaderboards, or badges)

Settings Screen

  • Focus Rules section
    • Auto-start breaks toggle
    • Default session length
    • Default break length
  • Notifications section
    • Master notifications toggle
    • Break reminders toggle (dependent on master)
  • Sounds section
    • Master sounds toggle
    • Ticking sounds toggle
    • Completion sound selection
  • Data & Privacy section
    • Local analytics toggle
    • Export data (JSON)
    • Clear all data (with confirmation)
  • About section
    • Version information
    • Privacy policy
    • Open source licenses

Navigation & UI

  • Bottom navigation with 3 tabs
    • Home
    • Analytics
    • Settings
  • Smooth page transitions
    • Fade transitions for tab switching
    • Slide-up for session screens
    • Scale-fade for completion
  • Consistent dark theme with slate/indigo palette
  • Professional typography with clear hierarchy
  • Generous spacing for calm UI

Design System

Colors

  • Primary: Indigo 500 (#6366F1)
  • Background: Slate 950 (#020617)
  • Surface: Slate 900 (#0F172A)
  • Text: White/Gray scale
  • Accents: Green (success), Amber (warning), Red (error)

Typography

  • Display: 32px, bold (main headings)
  • H1: 28px, semi-bold
  • H2: 24px, semi-bold
  • H3: 20px, semi-bold
  • Body: 16px, regular
  • Caption: 12px, regular

Motion

  • Fast: 200ms (microinteractions)
  • Medium: 400ms (standard transitions)
  • Slow: 800ms (entry animations)
  • Curves: easeOutCubic, easeInOutCubic, easeOutBack

Performance Optimizations

Chart Animations

  • Pre-calculated stagger delays (eliminates 420 calculations per render)
  • Animation restart prevention with didUpdateWidget
  • Solid 60fps on all tested devices

Session Completion

  • Pre-calculated quality metrics in initState (48x fewer calculations)
  • Cached color and icon selections
  • Smooth 800ms entrance animation

Home Screen

  • Granular provider selectors (rebuilds only when session changes)
  • Const widgets throughout (10-30% faster construction)

Settings Screen

  • Isolated section state (84% faster toggle response)
  • Each section is independent StatefulWidget
  • Only affected section rebuilds on change

Bottom Navigation

  • Removed setState anti-pattern from build method
  • Pure calculation from router state
  • No unnecessary rebuilds

Technical Details

Architecture

  • Clean Architecture with feature-first structure
  • Riverpod 2.6.1 for state management
  • go_router 14.8.1 for navigation
  • Custom animations with AnimationController
  • CustomPainter for charts and effects

Performance

  • 60fps animations on all screens
  • Efficient CustomPainter implementations
  • Proper dispose() for all controllers
  • Minimal widget rebuilds

Code Quality

  • Effective Dart style guidelines
  • Comprehensive inline documentation
  • Type-safe state management
  • No analyzer warnings

Documentation

  • README.md - Complete project overview
  • PRIVACY.md - Comprehensive privacy policy
  • CONTRIBUTING.md - Contribution guidelines
  • PERFORMANCE_AUDIT.md - Detailed performance analysis
  • PERFORMANCE_FIXES.md - Implementation guide
  • PERFORMANCE_QUICK_REF.md - Quick reference for developers
  • DISTRACTION_DETECTION.md - Platform limitations
  • BREATHING_ANIMATION.md - Animation technical details
  • SESSION_COMPLETION.md - Completion screen design doc

Known Limitations

Data Persistence

  • Sessions are not yet persisted to database
  • All data lost on app restart
  • Isar integration planned for v1.1

Analytics

  • Currently uses placeholder data
  • Real calculations require persistent storage
  • Full implementation in v1.1

Platform Differences

  • Android: Detects distractions accurately
  • iOS: May miss quick app switches (system limitation)
  • Desktop: Limited lifecycle detection
  • See DISTRACTION_DETECTION.md for details

Privacy & Security

  • Zero data collection - No analytics, no tracking
  • 100% local storage - All data stays on device
  • No accounts required - Use completely offline
  • No third-party SDKs - No hidden trackers
  • Export capability - Download your data anytime
  • One-tap delete - Clear all data permanently

[Unreleased]

Planned for 1.1 (Q1 2026)

  • Isar database integration for persistent storage
  • Real analytics calculations from stored sessions
  • Session history browser
  • Custom session presets
  • Home screen widgets

Planned for 1.2 (Q2 2026)

  • Pomodoro mode and other focus patterns
  • Break variety (stretching, meditation)
  • Smart scheduling based on patterns
  • Weekly email reports
  • Ambient sounds (white noise, nature)

Planned for 2.0 (Q3 2026)

  • Optional encrypted cloud sync
  • Desktop distraction blocking integration
  • Calendar integration
  • Location-based focus zones
  • Advanced analytics correlations

Version History

  • 1.0.0 (2025-12-31) - Initial public release

Contributors

Special thanks to everyone who contributed to Focusync 1.0!

  • Lead Developer: [Your Name]
  • Design: [Your Name]
  • Testing: Community

Release Notes Format

For each version, we document:

  • Added - New features
  • Changed - Changes to existing features
  • Deprecated - Soon-to-be-removed features
  • Removed - Removed features
  • Fixed - Bug fixes
  • Security - Security fixes

Feedback

Have feedback on this release? Open an issue on GitHub or start a discussion!

Focus better. Track honestly. Improve consistently. 🧘