.. _neuron-2-26-0-runtime: .. meta:: :description: The official release notes for the AWS Neuron SDK Runtime component, version 2.26.0. Release date: 9/18/2025. AWS Neuron SDK 2.26.0: Neuron Runtime release notes =================================================== **Date of release**: September 18, 2025 .. contents:: In this release :local: :depth: 2 * Go back to the :ref:`AWS Neuron 2.26.0 release notes home ` Released versions ----------------- - Neuron Driver: ``2.24.7.0`` - Neuron Runtime Library: ``2.28.19.0`` - Neuron Collectives: ``2.28.20.0`` Neuron Runtime Library 2.28.19.0 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ * Added rank ID to all events emitted from the Profiler 2.0 system trace. * Improved timestamp alignment of Profiler 2.0 NeuronCore and CPU system trace events enhancing the accuracy of the trace timeline. Neuron Driver 2.24.7.0 ^^^^^^^^^^^^^^^^^^^^^^ * Fixed installation issue causing builds to fail for Linux Kernels 6.13+. Neuron Runtime Library 2.28.19.0 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ * Fixed bug where `nrt_unload` returned `NRT_SUCCESS` even when model stop fails due to Neuron Core lockups. * Fixed bug where `model_name` was empty in Profiler 2.0 system trace events. Neuron Collectives 2.28.20.0 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ * Fixed bug where error messages were incorrectly being displayed on machines with no EFA devices. Previous release notes ---------------------- * :ref:`neuron-2-25-0-runtime` * :ref:`runtime_rn` * :ref:`runtime_rn` * :ref:`runtime_rn`