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

AWS Neuron SDK Release Notes#

Last updated: September 18, 2025

This is the official home page for the AWS Neuron SDK release notes. Release notes are provided whenever AWS and Annapurna labs releases a new version of the Neuron SDK. Select a release version and review what it brings to you!

Latest AWS Neuron SDK release: 2.26.0

On 9/18/2025, AWS released version 2.26.0 of the Neuron SDK.

For more details, see the full AWS Neuron SDK 2.26.0 release notes.

Previous AWS Neuron SDK releases#

SDK version	Date released
2.25.0	07/31/25
2.24.1	06/30/25
2.24.0	06/24/25
2.23.0	06/10/25
2.22.1	05/12/25
2.22.0	04/03/25
2.21.1	01/14/25
2.21.0 Beta	12/03/24
2.20.2	11/20/24

Note

The AWS Neuron SDK is updated regularly with new versions. These releases follow a semantic versioning model of (major).(minor).(patch). major versions are more likely to introduce new features and breaking changes over a prior major version. minor versions add feature and API improvements and may introduce smaller breaking changes. patch versions typically provide bug fixes and will not have breaking changes.

Neuron component release notes#

Each component of the Neuron SDK has its own release notes. See the table below for links to each component’s release notes.

Component	Release Notes
Neuron Compiler (neuronx-cc)	Neuron Compiler (neuronx-cc) release notes
Neuron Compiler Ops	Neuron Supported operators
JAX NeuronX	JAX NeuronX (jax-neuronx) release notes
LibNeuronXLA	Neuron XLA pluggable device (libneuronxla) release notes
MXNet Neuron	Neuron Apache MXNet Release Notes
NeMo	Neuron Nemo Release Notes
NeuronX Distributed	Neuron Distributed Release Notes
NeuronX Distributed Inference	NxD Inference Release Notes
NeuronX Distributed Training	NxD Training Release Notes
PyTorch Neuron (torch-neuronx)	PyTorch Neuron (torch-neuronx) release notes
Transformers NeuronX	Transformers Neuron (transformers-neuronx) release notes
AWS NeuronX Collectives	Neuron Collectives Release Notes
AWS NeuronX DKMS	Neuron Driver Release Notes
AWS NeuronX Runtime Library	Neuron Runtime Release Notes

Older releases#

Release notes are archived when the major version of a release is incremented.