---
title: "MetaTrader 5 Client Terminal build 253 - Release Notes"
description: "1. Terminal: The format of some internal data structures has been changed. 2. - Release Notes"
image: "https://www.metatrader5.com/i/logo_metatrader5.png"
url: "https://www.metatrader5.com/en/releasenotes/terminal/253"
---

# MetaTrader 5 Client Terminal build 253

## 1. Terminal: The format of some internal data structures has been changed. 2

5 March 2010

 1. Terminal: The format of some internal data structures has been changed.2. MQL5: The type of returned value of the function GlobalVariableCheck has been changed from datetime to bool.3. MQL5: Fixed errors, reported at Forum.

**Earlier publications:**

- [MetaTrader 5 Client Terminal build 251](https://www.metatrader5.com/en/releasenotes/terminal/251)
- [MetaTrader 5 Client Terminal build 250](https://www.metatrader5.com/en/releasenotes/terminal/250)
- [MetaTrader 5 Client Terminal build 249](https://www.metatrader5.com/en/releasenotes/terminal/249)
- [MetaTrader 5 Client Terminal build 248](https://www.metatrader5.com/en/releasenotes/terminal/248)
- [MetaTrader 5 Client Terminal builds 247](https://www.metatrader5.com/en/releasenotes/terminal/247)