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[Feature Request] Multi-Shape Profiling in Perftest Tool

ep:OpenVINOissues related to OpenVINO execution providerissues related to OpenVINO execution provider

feature requestrequest for unsupported feature or enhancementrequest for unsupported feature or enhancement

Status: Open.

#28628 In microsoft/onnxruntime;

· adrianlizarraga opened on May 22, 2026

[Bug] Validate sparse tensors that use ORT's in-memory address markers

Status: Open.

#28617 In microsoft/onnxruntime;

· adrianlizarraga opened on May 21, 2026

[Performance] Proposal: Make max number of pending dispatches a WebGPU EP option

ep:WebGPUort-web webgpu providerort-web webgpu provider

performanceissues related to performance regressionsissues related to performance regressions

platform:webissues related to ONNX Runtime web; typically submitted using templateissues related to ONNX Runtime web; typically submitted using template

Status: Open.

#28613 In microsoft/onnxruntime;

· kareertl opened on May 21, 2026

NodeJS bindings missing CoreML provider options (ModelCacheDirectory, ModelFormat, MLComputeUnits)

api:Javascriptissues related to the Javascript APIissues related to the Javascript API

ep:CoreMLissues related to CoreML execution providerissues related to CoreML execution provider

platform:webissues related to ONNX Runtime web; typically submitted using templateissues related to ONNX Runtime web; typically submitted using template

Status: Open.

#28610 In microsoft/onnxruntime;

· nicholascelestin opened on May 21, 2026

Very different results on different runtimes

platform:webissues related to ONNX Runtime web; typically submitted using templateissues related to ONNX Runtime web; typically submitted using template

Status: Open.

#28609 In microsoft/onnxruntime;

· rawnsley opened on May 21, 2026

Assertion crash in graph optimizer Level2 after MatmulTransposeFusion on large MoE model

Status: Open.

#28604 In microsoft/onnxruntime;

· justinchuby opened on May 20, 2026

[Feature Request] Support profilingVerbosity option in TensorRT Execution Provider

ep:TensorRTissues related to TensorRT execution providerissues related to TensorRT execution provider

feature requestrequest for unsupported feature or enhancementrequest for unsupported feature or enhancement

Status: Open.

#28582 In microsoft/onnxruntime;

· nimdrak opened on May 20, 2026

CoreML runtime is missing 3D convolution op support for ML Programs

ep:CoreMLissues related to CoreML execution providerissues related to CoreML execution provider

Status: Open.

#28580 In microsoft/onnxruntime;

· JustinTArthur opened on May 20, 2026

Regression in RandomForestClassifier predictions for onnxruntime 1.26.0

Status: Open.

#28557 In microsoft/onnxruntime;

· betatim opened on May 19, 2026

MatMulNBits bits=2 + float zero_point CPU path is ~20× slower than bits=4 (naive scalar fallback)

Status: Open.

#28552 In microsoft/onnxruntime;

· justinchuby opened on May 19, 2026

MatMulNBits: support 1.25-bit ternary Sherry / STQ1_0 quantization

ep:ACLissues related to ACL execution providerissues related to ACL execution provider

ep:WebGPUort-web webgpu providerort-web webgpu provider

platform:mobileissues related to ONNX Runtime mobile; typically submitted using templateissues related to ONNX Runtime mobile; typically submitted using template

platform:webissues related to ONNX Runtime web; typically submitted using templateissues related to ONNX Runtime web; typically submitted using template

quantizationissues related to quantizationissues related to quantization

Status: Open.

#28549 In microsoft/onnxruntime;

· justinchuby opened on May 18, 2026

[WebGPU] GatherBlockQuantized fails to compile Metal shader on macos-15 GitHub-hosted runner after a few sessions

ep:WebGPUort-web webgpu providerort-web webgpu provider

platform:webissues related to ONNX Runtime web; typically submitted using templateissues related to ONNX Runtime web; typically submitted using template

quantizationissues related to quantizationissues related to quantization

Status: Open.

#28545 In microsoft/onnxruntime;

· TimPietrusky opened on May 18, 2026