STM32CubeIDE (MCUs)

Ask questions on STM32CubeIDE. Discuss how to build, debug, configure, and optimize your project as well as how to use our software tools.

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STM32CubeIDE 2.1.1 released

We are pleased to announce that the minor version 2.1.1 of STM32CubeIDE is available. What is new in 2.1.1: This release covers the topics listed below: SEGGER J-Link GDB server updated to 9.24 to fix an issue with the Live Expression view during the...

Aimen1 by ST Employee
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STM32CubeCLT 1.21.0 released

We are pleased to announce that STM32CubeCLT 1.21.0 release is available. What is new in 1.21.0: Maintenance of the previous version: Updated in accordance with STM32CubeIDE v2.1.0Update of Clang/LLVM toolchainUpdate of GCC to GCC 14Update of STM32Cu...

Aimen1 by ST Employee
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STM32CubeIDE 2.0 release - early heads-up!

Starting from the release in November 2025, STM32CubeIDE and STM32CubeMX will be available exclusively in their standalone versions. STM32CubeMX will no longer be integrated inside STM32CubeIDE. Instead, the two tools will be interoperable in the sam...

Debugger steps and runs slowly

I started learning embedded systems recently, and have been using the Nucleo-F303RE board with the STM32CubeIDE toolchain. Recently, I compiled a program and started stepping through it in the debugger. Everything worked fine as always. I started to ...

User authentication service maintenance on 12 March

Please note that the user authentication service will be under maintenance on 12 March at 5:30 AM CET (10:00 AM IST) for approximately one hour. During this period, some disruptions may occur. The impact is limited to versions earlier than STM32CubeM...

Aimen1 by ST Employee
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Resolved! Error during saving assembler source files

There is a problem with saving assembler source files when the C/C++ > Editor > Save Action > Format source code option is enabled:As a result, the file is not saved, and when it is just created, there is no file at all. It's quite irritating, especi...

Cant download STM32CubeIDE

I’ve been trying to download STM32CubeIDE from your website for the past 3 days without any luck. I’m located in Norway. I recently updated my old installation (version 1.4.x, not sure exactly which), and something went wrong during the update. Now t...

oliloken by Associate
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Resolved! Impossible to install IDE

Hi all,I'm unable to install Cube IDE under W10.I tried to play with permissions/administrator/... I always get an error:NSIS error : Error launching installer.All other items (CubeMX, Programmer, Monitor ) were installed without any problem.Thanks f...

F6EEQ by Associate
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Resolved! STM32CubeIDE_2.1.0 not generating ioc file

I am working on STM32CubeIDE_2.1.0 after one week and suddenly it stopped showing create new STM32 Project. It is showing simply as in screenshot, I am unable to create new STM32 project. Thanks & RegardsChanchal