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fuse_pad_into_conv optimization incorrectly fuses when 'pads' contain negative values

Status: Open.

#2838 In microsoft/onnxscript;

· bas-aarts opened on Mar 3, 2026

fuse_relus_clips optimization crashes on Clip without an explicit max value

Status: Open.

#2836 In microsoft/onnxscript;

· bas-aarts opened on Mar 3, 2026

Should we turn trace_only default to True in torchlib?

module: torchlibRelated to the torch/aten function lib in developmentRelated to the torch/aten function lib in development

Status: Open.

#2812 In microsoft/onnxscript;

· titaiwangms opened on Feb 17, 2026

Constant Folding removes 'axes' initializer form Squeeze layer, resulting in incorrect ONNX model

bugSomething isn't workingSomething isn't working

contribution welcomeWe welcome code contributions for thisWe welcome code contributions for this

good first issueGood for newcomersGood for newcomers

module: optimizer

Status: Open.

#2810 In microsoft/onnxscript;

· bas-aarts opened on Feb 14, 2026

Missing converter for OpOverload(op='aten._grouped_mm', overload='default')

contribution welcomeWe welcome code contributions for thisWe welcome code contributions for this

good first issueGood for newcomersGood for newcomers

module: torchlibRelated to the torch/aten function lib in developmentRelated to the torch/aten function lib in development

Status: Open.

#2795 In microsoft/onnxscript;

· xadupre opened on Feb 6, 2026

Documentation: create pytorch compatibility matrix

Status: Open.

#2757 In microsoft/onnxscript;

· justinchuby opened on Jan 7, 2026

·  

0.6.0

[Optimizer] Fold Shape -> {Slice, Gather} -> Concat -> Reshape

contribution welcomeWe welcome code contributions for thisWe welcome code contributions for this

good first issueGood for newcomersGood for newcomers

module: rewriter

Status: Open.

#2736 In microsoft/onnxscript;

· justinchuby opened on Dec 17, 2025

Error with PyTorch exporter: Decorator script does not work on dynamically compiled function Rank

category: questionA question about somethingA question about something

Status: Open.

#2726 In microsoft/onnxscript;

· yuanshengpan opened on Dec 11, 2025

Unintuitive behavior: Returned input aliases generate Identity nodes with generic names instead of preserving Python variable names

contribution welcomeWe welcome code contributions for thisWe welcome code contributions for this

topic: ast converter

Status: Open.

#2714 In microsoft/onnxscript;

· patmjen opened on Nov 21, 2025

[torchlib] Add op test to torch.unique_consecutive

contribution welcomeWe welcome code contributions for thisWe welcome code contributions for this

good first issueGood for newcomersGood for newcomers

module: torchlibRelated to the torch/aten function lib in developmentRelated to the torch/aten function lib in development

Status: Open.

#2695 In microsoft/onnxscript;

· titaiwangms opened on Nov 10, 2025

Remove usage of python typing for programmatic annotation of tensor dtype/shapes

Status: Open.

#2666 In microsoft/onnxscript;

· justinchuby opened on Oct 30, 2025

Error exporting BatchNorm2d when <code>PyTorch==2.6.0</code>, <code>onnxscript==0.5.4</code>

low priority

module: torchlibRelated to the torch/aten function lib in developmentRelated to the torch/aten function lib in development

Status: Open.

#2651 In microsoft/onnxscript;

· nickfraser opened on Oct 22, 2025