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...

Resolved! Build Analyzer unable to update -> CubeIDE Bug?

Hello..     i am encountering this issue very frequently, the build analyzer unable to update after modified code and build, run.  i have click the 2-round arrow on the top right menu, and click "on request "on view build setting. Yet still unable to...

Resolved! STM32CubeIDE an error was ocurred.... Wont start

STM32CubeIDE an error was ocurred. See log file. Steps i have did: Delete Java x86 Reboot PC Install Java x64 STM32CubeIDE installed. Nothing helps... Any idea?     !SESSION 2026-02-27 14:50:10.495 ----------------------------------------------- ecli...

STM32Cube IDE and versioning control with SVN

Hi, I'm a newbee in this community and my first post is related to an already existing one: https://community.st.com/t5/stm32cubeide-mcus/stm32cubeide-with-svn-subversion-which-files-folders-to-ignore/td-p/253294  Usually we have \project\.settings\l...

ThoKu by Associate
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CubeIDE v1.19 and v2.0.0 - very high CPU usage on Linux

Good morning.Using CubeIDE both v1.19 and v2.0.0 with Debian Linux v11.11.I'm seeing very high processor usage, 300% and higher, all of it java based even when there is no activity in the IDE.  Is there an explanation available for this usage, or is ...

SysMonitor.png
TJM by Senior II
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Jumping to random file after pressing Run button

Hello. When I press to Run (Run main.c) button, STM32CubeIDE opens random file, possibly, from current repository, for example: startup_stm32l452xx.s, core_cm4.h etc... Code is loading successful, but this side effect bothers me. I would like to dis...

GeneralTao by Associate II
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