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Aziz BRIGUI
ST Technical Moderator
Jul 1, 2026 8:48 AM UTC
StickySolved

STM32CubeProgrammer v2.23 released

We are pleased to announce that STM32CubeProgrammer 2.23 is available

What is new in 2.23:

  • AI Assistant : Sidekick is now accessible from STM32CubeProgrammer, with a dedicated access button at the top.
  • Native Raspberry Pi support for the Linux Arm 64-bit command-line interface (CLI) package.
You must choose Linux ARM in the download widget
  • Readable File Paths
  • Launch After Install
  • Online documentation.
  • Support for STM32H543/553 devices:
    • Internal memory programming through debug and bootloader interfaces
    • Option bytes programming through debug and bootloader interfaces
    • OTP programming through debug and bootloader interfaces
    • Core register programming through debug interfaces
    • Automatic mode
    • Serial Wire Viewer
    • Register viewer
    • Firmware encryption/signing
    • OBkey generation/provisioning
    • Certificate generation
    • Debug authentication
    • SFI through debug interfaces
  • Support for STM32U335/345 devices:
    • Internal memory programming through debug and bootloader interfaces
    • Option bytes programming through debug and bootloader interfaces
    • OTP programming through debug and bootloader interfaces
    • Core register programming through debug interfaces
    • Automatic mode
    • Serial Wire Viewer
    • Register viewer
    • Firmware encryption/signing
    • RDP regression with password
  • Support for STM32U356/366 devices:
    • Internal memory programming through debug and bootloader interfaces
    • Option bytes programming through debug and bootloader interfaces
    • OTP programming through debug and bootloader interfaces
    • Core register programming through debug interfaces
    • Automatic mode
    • Serial Wire Viewer
    • Register viewer
    • Firmware encryption/signing
    • RDP regression with password
    • SFI via debug interfaces
    • Key wrapping via debug interfaces
  • Support of Key Wrapping for STM32H5Ex/5Fx and STM32U3B5/3C5
  • Support of SFIx for STM32H5Ex/5Fx (SFI support on external memory)

How to get STM32CubeProgrammer 2.23:

  • Under this link
  • Or update your current installation of STM32CubeProgrammer using: Help > Software update

Main issues fixed in 2.23:

Refer to the STM32CubeProgrammer wiki at:

STM32CubeProgrammer errata 2.23.x - stm32mcu

Known problems and limitations in 2.23:

Refer to the STM32CubeProgrammer wiki at:

STM32CubeProgrammer errata 2.23.x - stm32mcu

This topic has been closed for replies.
Aziz BRIGUI
Aziz BRIGUIBest answer
ST Technical Moderator
Jul 1, 2026 9:12 AM UTC

This is an announcement post, if you have any issue or feedback to report please use the main page: STM32CubeProgrammer (MCUs) - STMicroelectronics Community

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.

1 reply

Aziz BRIGUI
Aziz BRIGUIAuthorBest answer
ST Technical Moderator
Jul 1, 2026 9:12 AM UTC

This is an announcement post, if you have any issue or feedback to report please use the main page: STM32CubeProgrammer (MCUs) - STMicroelectronics Community

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.