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Aziz BRIGUI
ST Technical Moderator
July 1, 2026
StickySolved

STM32CubeProgrammer v2.23 released

  • July 1, 2026
  • 1 reply
  • 37 views

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.
Best answer by Aziz BRIGUI

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

1 reply

Aziz BRIGUI
Aziz BRIGUIAuthorBest answer
ST Technical Moderator
July 1, 2026

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.