IAR Product Updates

Versions

Product:IAR Build Tools for ARM
Version:10.10
Release date:September 1, 2026

NXP MCXE32B devices support

Published September 30, 2026.

Device support files for NXP MCXE32B.

NXP KW43 and MCXW70 devices support

Published September 30, 2026.

Device support files for NXP KW43 and MCXW70.

ST STM32U39x/3Ax device support

Published September 23, 2026.

Device support files for ST STM32U39x/3Ax.

NXP - flash loader for FRDM-IMXRT700

Published September 8, 2026.

This patch adds a flash loader for the external QSPI memory on the NXP FRDM-IMXRT700 board.

Install CXARM 10.10.2

Published September 1, 2026.

Highlights

  • C++20 support
    The IAR C/C++ compiler now by default accepts source code written in the C++20 standard. In addition, when using the Libc++ C++20 library, most features of C++20 are supported.

  • Commuter license
    The IAR cloud-based licensing system includes an offline-usage feature that allows you to temporarily check out your Named Users or capacity tokens for a maximum period of seven days. During this time, the license entitlements are stored and validated locally on the host machine.

  • Arm China STAR-MC3
    The Arm China STAR-MC3 processor based on the Arm v8.1-M architecture is now supported.

  • Support for new devices
    See the Release Notes for the full list of new devices