---
title: "MetaTrader 5 build 3090: Improvements and fixes - Release Notes"
description: "Terminal: Three new languages have been added to MQL5.com: French, Italian and Turkish. - Release Notes"
image: "https://www.metatrader5.com/i/logo_metatrader5.png"
url: "https://www.metatrader5.com/en/releasenotes/terminal/2214"
---

# MetaTrader 5 build 3090: Improvements and fixes

## Terminal: Three new languages have been added to MQL5.com: French, Italian and Turkish

21 October 2021

### Terminal

1. Fixed an error which could cause [custom trading symbols](https://www.metatrader5.com/en/terminal/help/trading_advanced/custom_instruments) to disappear under certain conditions.
2. Improved menu and toolbar icons.
3. [Three new languages](https://www.mql5.com/en/forum/379796) have been added to MQL5.com: French, Italian and Turkish.Now the largest community of algorithmic traders MQL5.community is available in 11 languages. We have already localized the website interface, documentation and important forum topics. Articles and Economic Calendar in the new languages will also become available soon.
4. Fixed errors reported in crash logs.

### MQL5

1. Fixed bugs in the [StringConcatenate](https://www.mql5.com/en/docs/strings/stringconcatenate) function.
2. Fixed setting of the _LastError value when working with the [FileSave](https://www.mql5.com/en/docs/files/filesave) function. The variable could contain a null value instead of the description of the function error under certain conditions.
3. Fixed [data import from resources](https://www.mql5.com/en/docs/runtime/resources#resourcevariables) to double type arrays.

### MetaTester

1. Fixed an error which caused the chart window to freeze during [visual testing](https://www.metatrader5.com/en/terminal/help/algotrading/visualization).

Updated documentation

**Earlier publications:**

- [MetaTrader 5 build 3081: Improvements in MQL5 services and design updates](https://www.metatrader5.com/en/releasenotes/terminal/2212)
- [MetaTrader 5 build 2980: Push notifications for trade operations](https://www.metatrader5.com/en/releasenotes/terminal/2199)
- [MetaTrader 5 Build 2940: Positioning of MQL5 Services showcases in the workspace and updated design](https://www.metatrader5.com/en/releasenotes/terminal/2196)
- [MetaTrader 5 build 2875: Improvements and fixes](https://www.metatrader5.com/en/releasenotes/terminal/2190)
- [MetaTrader 5 build 2860: Improvements for Wine and SQL integration enhancements](https://www.metatrader5.com/en/releasenotes/terminal/2188)