MCUXpresso IDE v11.5.1 Now Available

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MCUXpresso IDE v11.5.1 Now Available

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MCUXpresso IDE v11.5.1 Now Available

We are pleased to announce that MCUXpresso IDE v11.5.1 (build 7266) is now available.

This is a maintenance release that builds upon the previous MCUXpresso IDE v11.5.0 release, and we recommend that all existing users download and install this new version.


Installer Downloads 

To download the installers for all platforms, please login to our download site via: 



Additional information can be found in the updated User Guide and other documentation, which can be accessed from the built in help system available via IDE's Help menu and in PDF form from within the installation directory or downloaded from:


Notification of future releases 

To receive notifications about future releases, please follow : MCUXpresso IDE - Release History 


Summary of Changes - version 11.5.1 - April 2022

  • Upgraded: CDT from CDT 10.3.0 to CDT 10.3.3. This is intended to address: issue.

  • Upgraded: Newer SEGGER J-Link software (v7.62c).

  • Upgraded: Newer PEmicro plugin (v5.2.0).

  • Added: [NPI] RT1060X (RT1060 phantom) support.

  • Feature: [Flash Programmer][RT1160/RT117x] Add flash driver for QSPI on FlexSPI2 Port A.

  • Fixed: [Debugger] Notifications about new MCU-Link firmware releases may not be shown in the Probes Discovery dialog.

  • Fixed: [Debugger] Debug operations are slow while Peripherals+ window is open on targets with lots of registers (like RT1160 or RT117x).

  • Fixed: [Project Manager][RT1160/RT117x] Flood of the -D__MULTICORE_MASTER in the .cproject.

  • Fixed: [Project Manager][RT1160/RT117x] M7 C++ project failed to load the M4 project (in the case of multicore configuration) on a particular application. Now exdata sections are placed before heap and stack sections in generated linker files (when using Managed Linker Script configuration) compared with previous version where exdata sections were placed before data sections.

  • Fixed: [Peripherals+][LPC546xx] EMC register location/offset is incorrect in Peripherals+ window.

  • Fixed: [Energy Measurement] Instability if Energy Measurement view is used together with SWO Profile

Known issues

  • Please follow the KnownIssues.txt file from installation layout for a detailed list.
  • Note. Additional issues that will be found post-release will be added in an online version also aiming to describe workarounds when available.
Version history
Last update:
‎04-14-2022 12:18 PM
Updated by: