Release: Amazon IoT Greengrass Core v2.3.0 software update on June 29, 2021 - Amazon IoT Greengrass
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Release: Amazon IoT Greengrass Core v2.3.0 software update on June 29, 2021

This release provides version 2.3.0 of the Greengrass nucleus component.

Release date: June 29, 2021

Release highlights

Public component updates

The following table lists Amazon-provided components that include new and updated features.


When you deploy a component, Amazon IoT Greengrass installs the latest supported versions of all of that component's dependencies. Because of this, new patch versions of Amazon-provided public components might be automatically deployed to your core devices if you add new devices to a thing group, or you update the deployment that targets those devices. Some automatic updates, such as a nucleus update, can cause your devices to restart unexpectedly.

To prevent unintended updates for a component that is running on your device, we recommend that you directly include your preferred version of that component when you create a deployment. For more information about update behavior for Amazon IoT Greengrass Core software, see Update the Amazon IoT Greengrass Core software (OTA).

Component Details
Greengrass nucleus

Version 2.3.0 of the Greengrass nucleus is available.

New features
  • Adds the iot:thingName recipe variable. You can use this recipe variable to get the name of the core device's Amazon IoT thing in a recipe. For more information, see Recipe variables.

Bug fixes and improvements
  • Additional minor fixes and improvements. For more information, see the releases on GitHub.