ONNX Runtime v1.28.2 release notes

ONNX Runtime v1.28.2

v1.28.2Sep 3, 2026 · about 12 hours ago

ONNX Runtime v1.28.2

Fixed 1

Fixed Compile API callback serialization to prevent duplicate graph nodes, inputs, outputs, and value information in emitted optimized models, including models with embedded or external initializers

From ONNX Runtime

This is a patch release on top of v1.28.1, containing a targeted fix for Compile API model serialization.

Fixed Compile API callback serialization to prevent duplicate graph nodes, inputs, outputs, and value information in emitted optimized models, including models with embedded or external initializers (#32303)

Thanks to our contributor for this release!

These release notes were drafted with assistance from GitHub Copilot.