---
title: "Arm Keil MDK v5.39 Update: Cortex-M55 Support & Enhanced Functionality"
description: Discover the latest updates in Keil MDK v5.39, featuring enhanced functionality, stability improvements, and new support for Arm Cortex-M55.
---

[CControls Blog ](https://blog.ccontrols.net/en/blog)

# [Arm Keil MDK v5.39 Update: Cortex-M55 Support & Enhanced Functionality](https://blog.ccontrols.net/en/blog/whats-new-in-mdk-539)

 Written by [CControls Team](https://blog.ccontrols.net/en/blog/author/ccontrols-team) | 24.10.2024 12:18:26

ARM Keil MDK - is the most comprehensive IDE, a solution created for developers of microcontrollers based on Arm cores and contains all the components needed to create, compile and debug embedded applications.

 

### What's new in MDK 5.39?

Update: MDK v5.39 includes Arm Compiler for Embedded v6.21 and supports Arm Cortex-M55. The latest version of Arm Keil MDK adds overall improvements in stability and functionality.

 

### Major changes include

µVision – the environment has been updated to version V5.39.0.0.

- Added "Save project in csolution format" menu item to the export menu for use with CMSIS-Toolbox and Keil Studio.
- Added a selection in the "Batch Setup..." dialog to stop compilation after the first project cannot be compiled.
- The display of the package ID and component ID has been adapted to the CMSIS-Toolbox project format.
- Updated MDK installer

### Keil MDK component updates:

- Keil: MDK-Middleware 7.16.0 (unchanged since MDK v5.38a)
- Network Component version 7.18.0
- FileSystem Component version 6.15.3
- USB Component version 6.16.1
- Keil: MDK-Middleware Graphics 1.3.0 (New)
- Updated to Segger emWin version 6.32.3.
- Arm: CMSIS 5.9.0 (unchanged from MDK v5.38a)
- Arm: CMSIS-DSP 1.15.0 (New)
- Arm: CMSIS-NN 4.1.0 (New)
- Arm: CMSIS-Driver 2.7.2 (unchanged from MDK v5.38a)
- Keil: Arm Compiler 1.7.2 (unchanged since MDK v5.38a)
- Target Debugging

Segger J-Link:

- Updated debug driver to version 7.92m.

STMicroelectronics ST-LINK:

- Updated debug driver to version 3.2.0.
- Updated firmware upgrade utility ST-LinkUpgrade.exe to version 3.13.4.

Nuvoton NU-Link:

- Updated debug driver to version 3.12.7513r.

 

### **Now available**

The Keil MDK v5.39 software installation file is now available on the [keil.com website →](https://developer.arm.com/documentation/107778/5-41-0/MDK-Version-5-39). Current Keil MDK users with a valid subscription can upgrade to the latest version for free.

 

## Talk to our Experts

[View full post](https://blog.ccontrols.net/en/blog/whats-new-in-mdk-539)

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