microsoft/onnxscript v0.7.0

v0.7.0

Repository: microsoft/onnxscript

Tag: v0.7.0

Published: 2026-04-20T17:55:07Z

Prerelease: no

Release notes:

What's Changed

Optimizer and Rewriter

• [Rewriter] Extend list of supported commutative operations by @iksnagreb in https://github.com/microsoft/onnxscript/pull/2741
• fix(fuse_batchnorm): support convtranpose + bn fusion with group != 1 by @AyoubMDL in https://github.com/microsoft/onnxscript/pull/2879
• optimizer: Prevent constant folding of DynamicQuantizeLinear by @Copilot in https://github.com/microsoft/onnxscript/pull/2865
• Unify failure-handling in rewrite-rule by @gramalingam in https://github.com/microsoft/onnxscript/pull/2866
• Fix non-deterministic rewriter behavior in multi-output pattern matching by @Copilot in https://github.com/microsoft/onnxscript/pull/2880
• Fix BatchNorm fusion producing invalid ONNX when Conv nodes share weight initializers by @Copilot in https://github.com/microsoft/onnxscript/pull/2883
• Add fusion rule to remove Expand before broadcast-capable binary operators by @Copilot in https://github.com/microsoft/onnxscript/pull/2862
• Use logging instead of print in RewritePass by @tgolsson in https://github.com/microsoft/onnxscript/pull/2835
• fix: normalize cache key dtype to prevent initializer name collisions by @gramalingam in https://github.com/microsoft/onnxscript/pull/2888

ONNX IR

• Refactor schemas to use the onnx_ir version by @justinchuby in https://github.com/microsoft/onnxscript/pull/2797

Torch Lib

• Add converter torch aten::histc by @xadupre in https://github.com/microsoft/onnxscript/pull/2796
• Trace single op.SplitToSequence by @titaiwangms in https://github.com/microsoft/onnxscript/pull/2817
• Fix bicubic antialias export: use cubic_coeff_a=-0.5 instead of -0.75 by @Copilot in https://github.com/microsoft/onnxscript/pull/2849
• [torchlib] Add missing dtype parameter to aten_mean_dim by @linusjuni in https://github.com/microsoft/onnxscript/pull/2885
• [torchlib] Fix torchvision::roi_align lowering to accept 7-arg schema by @FraGirla in https://github.com/microsoft/onnxscript/pull/2830

Core ONNX Script

• First version of GraphBuilder by @gramalingam in https://github.com/microsoft/onnxscript/pull/2814
• Allow GraphBuilder to call script functions by @gramalingam in https://github.com/microsoft/onnxscript/pull/2820
• Add GraphBuilder.subgraph() and TensorType.to_ir() for control-flow ops by @gramalingam in https://github.com/microsoft/onnxscript/pull/2824
• Support outer scope value reference in script by @gramalingam in https://github.com/microsoft/onnxscript/pull/2831
• Expose OpBuilder as onnxscript.OpBuilder by @gramalingam in https://github.com/microsoft/onnxscript/pull/2840
• Extend graph construction utility by @gramalingam in https://github.com/microsoft/onnxscript/pull/2842
• Implement schema-based input/attribute partitioning in GraphBuilder by @gramalingam in https://github.com/microsoft/onnxscript/pull/2837
• Replace input-constraint asserts with TranslationError in converter by @gramalingam in https://github.com/microsoft/onnxscript/pull/2845
• Support None as op input in GraphBuilder by @justinchuby in https://github.com/microsoft/onnxscript/pull/2868
• Add parent/root tracking to GraphBuilder for subgraph Parameter realization by @gramalingam in https://github.com/microsoft/onnxscript/pull/2877
• Add input() and add_output() methods to GraphBuilder by @justinchuby in https://github.com/microsoft/onnxscript/pull/2828
• Handling initializers in GraphBuilder by @gramalingam in https://github.com/microsoft/onnxscript/pull/2889
• Make GraphBuilder.__init__ use keyword-only args after graph by @gramalingam in https://github.com/microsoft/onnxscript/pull/2893
• Trivial cleanup of onnxscript converter by @gramalingam in https://github.com/microsoft/onnxscript/pull/2839

New Features

• Add onnxscript.nn module with Module and Parameter classes by @justinchuby in https://github.com/microsoft/onnxscript/pull/2819
• Add nn.Sequential: callable ModuleList that chains forward calls by @justinchuby in https://github.com/microsoft/onnxscript/pull/2823
• Update nn.Sequential signature to match PyTorch (*modules varargs) by @Copilot in https://github.com/microsoft/onnxscript/pull/2827

Other Changes

• Raise version converter error when function attribute is RefAttr by @titaiwangms in https://github.com/microsoft/onnxscript/pull/2806
• Update ruff version to 0.15.1 by @justinchuby in https://github.com/microsoft/onnxscript/pull/2809
• Add back inliner to version converter by @titaiwangms in https://github.com/microsoft/onnxscript/pull/2813
• Remove unused function before version converter by @titaiwangms in https://github.com/microsoft/onnxscript/pull/2816

New Contributors

• @FraGirla made their first contribution in https://github.com/microsoft/onnxscript/pull/2830
• @linusjuni made their first contribution in https://github.com/microsoft/onnxscript/pull/2885
• @tadani3 made their first contribution in https://github.com/microsoft/onnxscript/pull/2894

Full Changelog: https://github.com/microsoft/onnxscript/compare/v0.6.2...v0.7.0