Concise monthly summary for 2026-04 focusing on key accomplishments, major bug fixes, and business impact for Zephyr project work.

January 2026: Delivered expanded hardware coverage and cryptographic capabilities across Zephyr projects, enabling more robust testing and platform support for Nucleo and STM32H7 families. Key work included enabling nucleo_h753zi support in crypto_aes tests, adding crypto_hash test coverage and a hash node for Nucleo H753ZI, and introducing cryptography/hash hardware blocks in STM32H750 device tree and across H7xx SoCs. These contributions improve test coverage, reduce integration risk for new hardware, and provide a stronger foundation for security features in our RTOS ecosystems.

December 2025: Delivered cryptographic hardware block support for STM32H7 in the Zephyr layer for the nrfconnect/sdk-zephyr repository, enabling cryp block usage on STM32H753/H755 and activating the cryptographic node on the Nucleo H753ZI board. Fixed missing cryp reset controllers for the cryp block in the STM32H7 device trees (H755/H757) to improve hardware reset reliability during cryptographic operations. These changes unlock hardware-accelerated cryptography for secure communications and potential secure boot workflows, while showcasing strong device-tree configuration, board bring-up, and patch hygiene with signed-off commits for traceability.