Based on its features, pros, and cons, I would rate the IAR Embedded Workbench for ARM 8.32.1 as follows:

Extended device support for ARM Cortex‑M, Cortex‑R, and Cortex‑A cores. Full device list available in the release notes.

: Note that the main installer might not install all debug probe drivers; these can usually be found in the arm\drivers folder of the installation directory. IAR License Manager Help > License Manager License > Activate License and enter your license number.

Existing users with a valid support and update agreement can download the update from the IAR Customer Portal. New users can request a free 14‑day evaluation license.

Renowned for generating compact and fast machine code specifically tuned for Arm Cortex-M, Cortex-R, and Cortex-A C-SPY Debugger: