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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STM32CubeCLT 1.20.0 released

We are pleased to announce that STM32CubeCLT 1.20.0 release is available. What is new in 1.20.0: Maintenance of the previous version: Updated in accordance with STM32CubeIDE v2.0.0Update of Clang toolchain version 19.1.6Update of GCC 13.3.rel1Update ...

Aimen1 by ST Employee
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STM32CubeIDE 2.0.0 released

We are pleased to announce that STM32CubeIDE 2.0.0 release is available. STM32CubeIDE is now independent from STM32CubeMX. With this release, device configuration, previously handled within STM32CubeIDE via STM32CubeMX, is now exclusively available t...

Aimen1 by ST Employee
  • 8099 Views
  • 0 replies
  • 4 kudos

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...

Can't download STM32CubeIDE from website

I've tried this evening to download STM32CubeIDE on 2 different accounts, 2 different computers, a phone, and have reset my computer and also deleted my cookies but still will not download. Nothing happens after I accept the terms and conditions. I h...

Resolved! On ubuntu; debug says "Could not determine GDB version"

Could not determine GDB version using command: /opt/st/stm32cubeide_1.2.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.7-2018-q2-update.linux64_1.0.0.201904181610/tools/bin/arm-none-eabi-gdb --version/opt/st/stm32cubeide_1.2.0/p...

DQuir.1 by Associate II
  • 41592 Views
  • 49 replies
  • 48 kudos

Resolved! Can't download STM32CubeIDE

Hello all,I can't download the STM32CubeIDE even as I am registered. There seems to be somthing broken with the Web page. I have tried several browsers. This is what I get, so there is no download button and the table is garbled:Any help appreciated....

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eble by Associate
  • 26465 Views
  • 32 replies
  • 22 kudos

C++ standard default and general policy

Hello,recently I started a project based on a STM32L433RCT3 and the STM32CubeIDE build tooling defaults to C++14. I myself am cautious about bleeding-edge standards but C++14 seems a bit conservative in 2026. I tried both the GCC 13.3 and GCC 14.3 to...

Resolved! Unable to change the project name in Cube Ide

I am unable to change the project name in STM32CubeIde, if i change it and try to open it i get error windows cannot find the file. They are all linked files, may be that is causing the issue, what changes i have to do avoid this error. The project i...

STuser2_0-1768371987998.png
STuser2 by Senior III
  • 81 Views
  • 5 replies
  • 1 kudos

IDE Version 2.0.0 - why remove MX ?

Why, oh why have you separated IDE and MX such that .ioc files can no longer be opened in IDE?I cannot imagine any benefits and it makes the IDE significantly worse, such that I've felt compelled to revert to version 1.19.0 ( go to Help -> About STM3...

jcslb by Associate
  • 3164 Views
  • 26 replies
  • 29 kudos

Resolved! issue with semihosting after updating CubeIDE

I updated CubeIDE to 2.0.0 (now CubeMX is separated) on MacOS. I started new project and want to set semihosting for debug. I did the configuration as I used to do in previous projects, but now when I try to run, I receive following error:Info : [STM...

Screenshot 2026-01-14 at 07.40.28.png
DPiór.1 by Associate III
  • 74 Views
  • 2 replies
  • 3 kudos