BJJ Video Analyzer - Release Notes

Note: This is a beta version intended for early testing with family & friends. Expect regular updates and improvements based on your feedback!

Future Versions 🚀

• Advanced video analysis with image analysis
• Integration with competition databases
• Enhanced technique detection algorithms
• Collaborative annotation features
• Dynamic technique diagram
• Analyse Youtube and Instagram videos

Latest Release

v0.9.0 (2025-06-11) - Technique Reporting System

✨ New Features

• Missing Technique Reporting: Users can now report techniques that aren't in the database
• Anonymous Reporting: Support for anonymous reports with hCaptcha protection
• Admin Interface: Comprehensive admin panel for managing technique reports
• Email Notifications: Automatic email alerts to admins for new reports
• Search Integration: "Report Missing Technique" option appears when search yields no results

🔒 Security Enhancements

• hCaptcha Integration: Spam protection for anonymous technique reports
• Localhost Detection: Automatic captcha bypass for local development
• CSRF Protection: Enhanced form security with proper token validation

🛠️ Technical Improvements

• Report Tracking: Complete lifecycle tracking from submission to resolution
• Browser Analytics: Automatic collection of browser info for troubleshooting
• Admin Actions: Bulk actions for marking reports as resolved/unresolved
• Test Coverage: Comprehensive test suite for reporting functionality

v0.8.0 (2025-06-10) - Friend Invitation System & Enhanced Security

✨ New Features

• Complete Friend Invitation System: Users can now invite friends during beta with email-based invitations
• Invitation Management: Revoke and re-invite functionality with comprehensive status tracking
• Staff Privileges: Staff members get unlimited invitations with infinity symbol display
• Smart Invitation Flow: Dedicated pages for revoked invitations and already-used tokens
• Enhanced Admin Interface: Comprehensive invitation tracking and user management tools

🔒 Security Enhancements

• Token Security: Revoked invitations no longer auto-link to new user accounts
• Attack Prevention: Non-existent invitation tokens show generic error pages to prevent reconnaissance
• Data Integrity: Proper UUID string conversion and invitation state management

🛠️ Technical Improvements

• Email System: Professional invitation emails with modern templates
• Database Optimization: Efficient invitation queries with proper filtering and case-insensitive email matching
• Token Optimization: Cleaner invitation URLs with hex format tokens (32 chars vs 36) and collision detection
• Signal Handling: Reliable Django signal registration for invitation processing
• URL Routing: Fixed template rendering issues with proper URL management
• Migration Safety: Safe two-step migration process for token format conversion without data loss

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Previous Releases

v0.7.1 (2025-06-09) - Memory Calculation Improvements

🐛 Bug Fixes

• Container Memory Detection: Fixed memory calculation issues in DigitalOcean containers where psutil incorrectly reported 0MB available memory
• Video Processing Reliability: Resolved video processing failures caused by inaccurate memory checks
• Robust Memory Monitoring: Improved memory calculation using /proc/meminfo fallback for accurate memory reporting in containerized environments

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v0.7.0 (2025-06-09) - Unified Video Interface & Enhanced UX

✨ New Features

• Unified Video Page: Merged video detail and analysis pages into a single, tabbed interface for streamlined navigation
• Enhanced Search Experience: Added universal search modal with keyboard shortcuts (Ctrl+K) and improved search functionality
• Comprehensive Feedback System: Implemented user feedback system with floating action button and contextual feedback options
• Modern Color System: Introduced global color palette for consistent styling across technique types and content categories

🎨 UI/UX Improvements

• Modern Interface Design: Complete styling overhaul with improved hero sections, breadcrumbs, and card layouts
• Enhanced Video Player: Better video controls with improved subtitle styling and timestamp functionality
• Responsive Design: Improved mobile and desktop layouts for technique library, positions, and phases
• Consistent Styling: Unified visual language across all pages with modern badges, buttons, and navigation elements

🛠️ Technical Enhancements

• Reduced Technical Debt: Consolidated video interfaces to eliminate duplicate code and improve maintainability
• Enhanced JavaScript Functionality: Improved video player controls, transcript handling, and search capabilities
• Better Navigation: Streamlined user workflows with tabbed interface and improved page organization
• Performance Optimization: More efficient page loading and better resource management

🐛 Bug Fixes

• Firefox WebVTT Support: Added notices and improved subtitle compatibility for Firefox users
• Video Player Stability: Enhanced video player functionality and subtitle display
• Search Interface: Fixed search modal keyboard navigation and result display

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Previous Releases

v0.6.0 (2025-06-08) - Enhanced Video Analysis

✨ New Features

• Added enhanced subtitle generation with technique highlighting
• Implemented AI-powered video summary generation
• Added automatic tag generation from video transcripts

🛠️ Improvements

• Improved video processing workflow with better status tracking
• Enhanced error handling for transcription tasks
• Added support for background task monitoring

🐛 Bug Fixes

• Fixed subtitle generation status tracking
• Improved error recovery for stalled transcription tasks

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Previous Releases

Version 0.5.0 - Security Enhancement: Rate Limiting & DoS Protection (2025-06-08)

🔒 Major Security Enhancements

• Comprehensive Rate Limiting Strategy:

• ADR-0060: Established 4-phase rate limiting implementation plan

• 3-Tier Protection Model: Critical Security (5/min), Resource-Intensive (10/min), General API (30/min)
• Custom Throttle Classes: API-key-based rate limiting with intelligent caching

• DoS Attack Prevention: Protects against denial-of-service attacks on all public endpoints

• Monitoring Endpoint Protection (Phase 1 Complete ✅):

• 10 requests/minute limit on all monitoring endpoints
• Protected endpoints: /monitoring/trigger-monitor/, /monitoring/trigger-fix-stuck/, /monitoring/trigger-daily-report/, /monitoring/trigger-check-stalled/
• HTTP 429 responses with proper retry-after headers
• Per-API-key tracking for authenticated access control

🛠️ Technical Infrastructure

• Rate Limiting Framework:

• MonitoringAPIThrottle: Custom throttling class extending Django REST Framework

• Per-endpoint configuration: Granular control over different API access patterns
• Cache-based tracking: Efficient rate limit enforcement using Django's cache backend

• Error handling: Graceful degradation with informative error messages

• Testing & Validation:

• Automated verification script: test_rate_limiting.py for testing rate limit enforcement
• Real-world testing: Validates throttling behavior under actual API usage
• Progress tracking: Implementation checklist for tracking multi-phase rollout

📝 Documentation & Architecture

• Strategic Documentation:

• ADR-0060: Comprehensive rate limiting and throttling strategy

• Implementation Checklist: Phase-by-phase progress tracking document
• Security Overview: High-level stakeholder guide for rate limiting benefits

• Cross-references: Updated existing ADRs with security enhancement links

• Future Roadmap (Phases 2-4):

• Phase 2: Authentication endpoints (login, logout, password reset)
• Phase 3: Video processing endpoints (upload, analysis, transcription)
• Phase 4: AI service endpoints (cost control and resource management)

🚀 Security Maturity

This release significantly enhances the application's security posture:

• DoS Attack Resilience: Protected against automated abuse of monitoring endpoints
• Resource Protection: Prevents excessive API usage that could impact performance
• Scalable Security: Framework ready for protecting all critical endpoints
• Professional Standards: Enterprise-grade rate limiting following REST API best practices

🔧 Technical Benefits

• Performance Protection: Rate limiting prevents resource exhaustion
• Cost Control Foundation: Framework ready for protecting expensive AI service calls
• Monitoring Integrity: Ensures monitoring system availability during high-traffic periods
• User Experience: Rate limiting prevents service degradation during traffic spikes

🎉 Major New Features

• Public Video Sharing:

• Public/Private Toggle: Video owners can now make videos visible to all users

• Public Video Indicator: Clear badges on public videos across the interface
• Global Video Access: All users can view public videos regardless of uploader
• Enhanced Video List: Public videos appear in everyone's video list with uploader attribution
• Secure Access Control: Robust permissions system ensuring only owners can edit/delete their videos

• One-Click Toggle: Easy visibility switching via dropdown menu in video detail page

• Automated Video Monitoring System:

• Stuck Video Detection: Automatic identification of videos stuck in processing state
• Auto-Recovery: Intelligent retry mechanism for failed video processing
• Proactive Monitoring: Continuous health checks for video processing pipeline
• Email Alerts: Configurable email notifications for system administrators
• Comprehensive Reporting: Detailed monitoring reports with actionable insights
• DigitalOcean Optimized: Specifically designed for cloud deployment challenges

🛠️ Production Infrastructure

• GitHub Actions Monitoring (replaced Django-Crontab and Celery Beat):

• Containerized Scheduling: Professional monitoring via GitHub Actions workflow

• Zero-Touch Recovery: Videos stuck >2 hours automatically marked as failed and retried
• Daily Health Reports: 9 AM UTC health check emails with system status
• Weekly Deep Cleaning: Sunday 2 AM comprehensive stuck video cleanup
• Platform Independent: Works in any containerized environment (Docker, DigitalOcean, etc.)

• Legacy System Removal: Complete removal of django-crontab and Celery Beat dependencies

• Enhanced Management Commands:

• monitor_celery: Comprehensive celery worker and video monitoring
• fix_stuck_videos: Intelligent stuck video detection and recovery
• Setup Script: scripts/setup_cron.py for easy cron job management
• Dry-Run Mode: Safe testing of monitoring operations before applying changes
• Configurable Thresholds: Customizable time limits for stuck video detection

🎨 UI/UX Improvements

• Public Video Badges: Clear visual indicators for public content
• Uploader Attribution: Profile pictures and names on all public videos
• Dropdown Z-Index Fixes: Resolved UI layering issues with video controls
• Professional Styling: Consistent visual language for public/private content
• Responsive Design: Public video features work seamlessly across all devices

🔧 Technical Architecture

• Production Monitoring:

• Memory Constraint Handling: Robust handling of DigitalOcean memory limits

• Worker Crash Recovery: Automatic detection and recovery from celery worker failures
• Redis Connection Monitoring: Health checks for message broker connectivity

• Auto-Scaling Awareness: Monitoring compatible with cloud auto-scaling

• Safety & Reliability:

• Atomic Operations: Database transactions ensure data consistency
• Error Logging: Comprehensive logging for troubleshooting and monitoring
• Graceful Degradation: System continues operating even during partial failures
• Security Controls: Public video access maintains proper authorization checks

📝 Documentation & Architecture

• ADR-0048: Celery Worker Stuck Video Monitoring and Recovery architecture
• ADR-0049: Django-Crontab Automated Video Monitoring (superseded by ADR-0058)
• ADR-0058: Containerized Cron Alternative Implementation (GitHub Actions)
• CRON_SETUP.md: Complete deployment and setup guide for automated monitoring
• Production Deployment: Comprehensive DigitalOcean deployment strategies

🚀 Beta Infrastructure Maturity

This release significantly enhances the production reliability:

• 24/7 Monitoring: Automated detection and recovery of stuck video processing
• Proactive Maintenance: Weekly cleanup prevents accumulation of failed states
• Administrator Alerts: Email notifications keep team informed of system health
• Zero Downtime: Monitoring operates independently without affecting user experience
• Scalable Foundation: Architecture ready for increased user load and video volume

Version 0.3.0 - Invitation System & Admin Enhancements (2025-06-07)

🎉 Major New Features

• Invitation-Only User System:

• Request an Invite: New invitation request system on login page for potential users

• Admin Management: Comprehensive admin interface to review and approve invitation requests
• User Creation: Bulk action to create user accounts directly from invitation requests
• Status Tracking: Full lifecycle tracking from request to user creation
• Email Integration: Automatic username generation from email addresses

• Growth Control: Managed growth strategy for beta expansion

• Enhanced Admin Experience:

• User Activity Monitoring: Last login information now displayed in user admin list

• Improved Filtering: Filter users by login activity, registration date, and staff status
• Better User Overview: Enhanced list display with key user information at a glance
• Invitation Management: Dedicated admin interface for managing invitation requests

🛠️ Technical Improvements

• Complete URL Routing:

• Fixed broken navigation links that were causing template errors

• Added missing URL patterns for user settings and profile updates

• Restored "Invite Friends" menu functionality with proper routing

• Robust Form Handling:

• Separate endpoints for profile updates and password changes

• Improved form validation and error handling

• Fixed import issues with custom password change forms

• Database Enhancements:

• New InvitationRequest model with comprehensive status tracking
• Migration support for invitation system
• Optimized admin queries with select_related for performance

🎨 UI/UX Improvements

• Professional Invitation Flow: Clean, user-friendly invitation request process
• Admin Interface: Streamlined user and invitation management tools
• Coming Soon Pages: Professional placeholder pages for features in development
• Responsive Design: All new components work seamlessly across devices

🔧 Bug Fixes

• Navigation Errors: Fixed template rendering errors caused by missing URL patterns
• Settings Page: Restored functionality for user profile and password updates
• Menu Links: All dropdown navigation items now work correctly
• Form Submissions: Proper handling of different form types on settings page

📝 Documentation

• ADR-0041: Invitation-Only User System architecture and implementation decisions
• ADR-0042: Navigation and Settings URL Issues fixes and resolutions

🚀 Beta Growth Strategy

This release implements a controlled growth strategy for the beta:

• Quality Control: Manual review of all invitation requests
• Community Building: Invitation system encourages engaged user referrals
• Feedback Loop: Better user management tools to monitor engagement
• Scalable Foundation: Infrastructure ready for future invitation features

Version 0.2.0 - Profile System & Enhanced Video Experience (2025-06-06)

🎨 Major New Features

• Complete Profile Picture System:

• Upload, preview, and remove profile pictures with drag-and-drop support

• Automatic initials fallback for users without profile pictures
• BJJ belt color-coded avatars (White, Blue, Purple, Brown, Black belts)
• Smart text color selection (black text for white belts, white for others)

• Profile pictures display throughout the application (navigation, video cards, settings)

• Enhanced Video List Experience:

• Uploader Attribution: Video cards now show uploader profile pictures/avatars

• Personal Touch: Shows "by you" for your own videos instead of username
• Better Time Display: Enhanced upload timestamps with hours and minutes
• Human-Readable Duration: Videos show duration as "1m 15s" or "1h 5m 30s" format

• Performance Optimized: Reduced database queries with smart prefetching

• Video Management System:

• Edit Videos: Users can now edit their video titles and descriptions
• Delete Videos: Complete video deletion with comprehensive safety measures
• Owner-Only Access: Security controls ensure only video owners can edit/delete their content
• Smart Confirmations: Real-time validation requiring exact title match for deletions
• Professional UI: Clean, responsive interface with clear warnings and alternative actions

🛠️ Technical Improvements

• User-Friendly Error Messages:

• Form errors now show human-readable field labels instead of technical names

• "First Name" instead of first_name, "Current Password" instead of old_password

• Centralized error handling helper function to reduce code duplication

• Better Exception Handling:

• Proper exception chaining with from e and from None for better debugging

• Maintains user-friendly error messages while preserving technical details for developers

• Database Enhancements:

• Added profile_picture field to UserProfile model
• Created migration for existing users
• Added Pillow dependency for image processing

🎨 UI/UX Improvements

• Profile Settings Page: Complete redesign with image upload, preview, and management
• Avatar System: Consistent avatar display across navigation and video cards
• Belt Color Integration: Visual belt rank representation using authentic BJJ colors
• Responsive Design: Profile pictures and avatars work seamlessly on all screen sizes

📝 Documentation

• ADR-0034: Profile Picture and Avatar System architecture decisions
• ADR-0035: User-Friendly Form Error Handling implementation
• ADR-0038: Video Editing and Deletion System architecture decisions

Version 0.1.0 - Initial Beta Release (2025-06-06)

🎉 What's New

• Beta Feedback System: Added prominent feedback collection for beta testers

• Feedback button in navigation for logged-in users

• Comprehensive feedback form with categories (bug, feature, improvement, general)
• Automatic email notifications to development team

• Feedback storage in database for tracking and analysis

• Video Upload Limits: Implemented video limits to manage storage and costs

• Regular users: Limited to 5 videos

• Staff users: Unlimited videos
• Clear usage indicators showing "X of 5 videos" with remaining count

• Helpful error messages when limits are reached

• Beta Visual Indicators:

• Added red "BETA" badge to navigation title
• Clear indication this is a beta version for early testing

🛠️ Technical Improvements

• Enhanced video upload validation with multi-layer limit checking
• Improved error handling for upload limits
• Added comprehensive feedback tracking and admin interface
• Email notification system for feedback collection

📧 Contact & Feedback

• We value your feedback! Use the "Give Feedback" button in the navigation
• All feedback is sent directly to the development team
• Your input helps us build the best BJJ video analysis tool possible

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