MetaTrader 5 Client Terminal Build 3391


Staff member
Nov 30, 2008
The MetaTrader 5 platform was updated to Build 3391 yesterday. It is already available for automatic upgrade via platform's Check Desktop Updates feature. The new release adds many new features to the platform:
  • Added automatic tutorial upon the first launch of the MT5 platform.
  • Fixed bulk position closing.
  • Fixed display of negative historical prices.
  • Optimized the terminal's resource consumption.
  • Expanded the fundamental data for trading instruments.
  • Fixed stop-loss and take-profit fields in the order opening interface to comply with FIFO rules.
  • Introduced math functions over matrices and vectors.
  • Added multiple activation and derivative methods for matrices and vectors.
  • Added multiple loss functions for matrices and vectors.
  • Added the matrix::CompareByDigits and vector::CompareByDigits methods for matrix and vector comparison.
  • The MathMin and MathMax functions now work on strings to compare strings letter by letter (as for sorting).
  • Increased the maximum number of OpenCL objects from 256 to 65536.
  • OpenCL objects can now work with GPUs without the double support.
  • Fixed operation of the CustomBookAdd function.
  • Fixed operation of the CalendarValueLast function.
  • Fixed ArrayBSearch to return the first result if several identical elements are found.
  • Fixed checks for template function visibility within a class.
  • Fixed MetaAssist tooltips.
  • Added %terminal% macros to MQL5 to get the full path to the terminal's data folder.
  • Improved display of arrays in the debugger.
  • Increased buffer size for copying values from the debugger.
  • Improved hints for compilation errors.
  • Fixed *.mproj project file format to store paths to other files in a relative form, so the projects can now be moved without producing compilation errors.
  • BMP files can now be embedded without the use of the ResourceReadImage function.
  • Improved reading of extended BMP formats.
  • Fixed some other errors.

MetaQuotes' forum announcement thread:

If you find a bug or some undocumented feature in the new build, please post about it here.