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 1.21.0 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 2.1.0 released

We are pleased to announce that STM32CubeIDE 2.1.0 release is available. What is new in 2.1.0: Added support of STM32C5 seriesAdded support of new microcontrollers across the STM32WBA, STM32WL, STM32H5, STM32U3 and STM32F7 seriesAdded support of new ...

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...

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...

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...

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...