LDM v.1.5.0 Update : Improved Download Engine

What's New in v1.5.0 🚀

• Robust Error Handling - Comprehensive auto-retry logic for connection failures, read errors, and resume failures
• Exponential Backoff - Smart retry delays (2s, 4s, 8s, 16s, 32s) to handle temporary network issues
• Improved Resume Support - Part files are preserved on failure, allowing manual resume after retries are exhausted
• Content-Range Validation - Server response validation prevents data corruption in multi-segment downloads
• Crash Recovery - Automatic periodic saves every 30 seconds protect against data loss
• Thread Safety Improvements - Enhanced mutex protection and atomic operations throughout the codebase
• Better Diagnostics - Detailed error logging with WinINet error code translation