Creating this pinned issue to track work items, especially those where contributions would be welcome.

Features:

• Improving function-definition infrastructure: Issue 3139

  • This is partially in place now.
  • But further improvements are required in the interface for getting a function-definition from the opschema for a target version.

• Reference implementation of ops: see Issue 4432

• Add support for model-local functions in version-converter. (Issue 4370)

• An ONNX sanitizer tool: Issue 4476

• Shape inference testing infrastructure: please see Issue 4160

Cleanup:

• Improve distinction between interface and implementation (see below for details).

Minor:

• Handle Constant op variants in shape-inference: see Issue 3985 and PR 4194

Documentation:

• Clarification of specs of ops: please see Issue 3651 for more details.

New Ops:

• Gelu: see Issue 4933