This document is relevant for: Inf1, Inf2, Trn1, Trn2, Trn3

AWS Neuron SDK 2.28.0 release notes#

Date of release: February 26, 2026

This page provides detailed component release notes for the Neuron SDK 2.28.0. For a an overview of the release content, see What’s New in AWS Neuron.

Package and Library Updates#

Neuron 2.28.0 release artifacts

The libraries and packages updated in this Neuron release.

Component Release Notes#

Select a card below to review detailed release notes for each component of the Neuron SDK version 2.28.0. These component release notes contain details on specific new and improved features, as well as breaking changes, bug fixes, and known issues for that component area of the Neuron SDK.

PyTorch Neuron (torch-neuronx) 2.28.0 release notes

Intergated, native support for PyTorch on Neuron.

Supports: Inf2, Trn1 / Trn1n, Trn2, Trn3

NxD Inference 2.28.0 release notes

Neuron features and tools for LLM and agent ML model inference, and the vLLM Plugin for Neuron.

Supports: Inf2, Trn1 / Trn1n, Trn2

Neuron Kernel Interface (NKI) 2.28.0 release notes

Neuron’s Python-based programming interface for developing and optimizing Neuron kernels.

Supports: Inf2, Trn1, Trn1n, Trn2, Trn3

NKI Library (NKI-Lib) 2.28.0 release notes

Reference kernels and utilities for Neuron kernel development with NKI.

Supports: Inf2, Trn1, Trn1n, Trn2, Trn3

Neuron Runtime 2.28.0 release notes

The Neuron kernel driver and C++ libraries for AWS Inferentia and Trainium instances.

Supports: Inf1, Inf2, Trn1 / Trn1n, Trn2, Trn3

Neuron Developer Tools 2.28.0 release notes

Tools that support end-to-end development for AWS Neuron, including Neuron Explorer.

Supports: Inf1, Inf2, Trn1 / Trn1n, Trn2, Trn3

Neuron Deep Learning AWS Machine Images (DLAMIs) 2.28.0 release notes

AWS-specific machine images for building and deploying Neuron-based ML solutions.

Supports: Inf1, Inf2, Trn1 / Trn1n

Neuron Deep Learning Containers (DLCs) 2.28.0 release notes

AWS-specific container definitions for building and deploying Neuron-based ML solutions.

Supports: Inf1, Inf2, Trn1 / Trn1n

Previous releases#

This document is relevant for: Inf1, Inf2, Trn1, Trn2, Trn3