{
  "version": "2.7.4",
  "release_date": "2025-01-21",
  "title": "Critical VOD System Fixes and Enhancements",
  "severity": "critical",
  "description": "Comprehensive fixes for VOD system including metadata service, directory scanning, API error handling, and HLS streaming support",
  "changes": [
    {
      "type": "fix",
      "description": "Fixed SQLAlchemy import issues and missing dependencies in VOD models"
    },
    {
      "type": "fix",
      "description": "Fixed TMDB API authentication failures and rate limiting issues"
    },
    {
      "type": "fix",
      "description": "Fixed VOD directory path resolution and permission errors"
    },
    {
      "type": "fix",
      "description": "Fixed rental system transaction rollback and payment processing"
    },
    {
      "type": "fix",
      "description": "Fixed missing error handling in VOD API endpoints"
    },
    {
      "type": "enhancement",
      "description": "Added HLS streaming support for VOD content"
    },
    {
      "type": "enhancement",
      "description": "Implemented Redis caching for metadata and content lists"
    },
    {
      "type": "enhancement",
      "description": "Added background tasks for metadata enrichment"
    },
    {
      "type": "enhancement",
      "description": "Implemented watch progress tracking"
    },
    {
      "type": "enhancement",
      "description": "Enhanced content search with multiple field support"
    },
    {
      "type": "enhancement",
      "description": "Added FFprobe integration for video duration extraction"
    },
    {
      "type": "enhancement",
      "description": "Added health check endpoint for VOD service monitoring"
    }
  ],
  "files_modified": [
    "app/vod_metadata_service.py",
    "app/vod_directory_service.py",
    "app/vod_api.py",
    "app/requirements.txt",
    "config/iptv.env",
    "docker/docker-compose.iptv.yml"
  ],
  "files_added": [
    "app/vod_metadata_service_fixed.py",
    "app/vod_directory_service_fixed.py",
    "app/vod_api_fixed.py"
  ],
  "dependencies": [
    "aioredis>=2.0.0",
    "redis>=5.0.0",
    "ffmpeg-python>=0.2.0"
  ],
  "installation_steps": [
    "Replace VOD service files with fixed versions",
    "Install new Python dependencies",
    "Update environment configuration",
    "Create database indexes",
    "Restart iptv-backend service"
  ]
}