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AWS IoT Greengrass introduced version 2.14.0 in December 2024, featuring the Nucleus Lite edge runtime written in C. It targets resource-constrained devices, offering a significantly smaller memory footprint of under 5MB RAM and storage. Nucleus Lite is compatible with AWS IoT Greengrass V2 API and allows for the development of IoT applications on low-cost hardware, enhancing multi-tenancy support and integration with systemd for device management.