Major Update: MetaTrader 5 Build 3900 Released - What's New

MetaQuotes just released MT5 build 3900 with some significant changes:

Key Updates:

🔧 Performance Improvements

• 30% faster backtesting on multi-core processors
• Optimized memory usage for EAs with many indicators
• Faster chart rendering

📊 New Features

• Enhanced Strategy Tester with genetic optimization
• New built-in indicators (21 total additions)
• Improved MQL5 debugger
• Cloud terminal synchronization

⚠️ Breaking Changes

• OrderSend() now requires type_filling parameter (see my troubleshooting thread)
• Some deprecated functions removed
• Changed behavior for pending order modification

🐛 Bug Fixes

• Fixed memory leak in custom indicators
• Corrected timezone issues in Strategy Tester
• Fixed crash when loading large history files

Recommendation: Test your EAs in demo before updating live accounts. Some older EAs may need code updates.

Download: Official MetaQuotes website

Anyone updated yet? Any issues?