Logistics for ONNX Release 1.9

ONNX Release 1.9

Release Manager: Michal Karzynski
Target Release date: Week of 04/12/21

Timeline

03/25 - finish validation for opset14 in ORT (GRU and BatchNorm remaining. Rest all done)
03/31 - Cut ONNX release branch (Done)
03/31 to 04/02 - Cherry picks, release branch stabilization
04/02 - ONNX release candidate published in pypi test| validation in ORT | community validation | converters validation
04/12 - Ready for ONNX release

Planned cherry picks

Desc	Status	PR	Notes
Update to BatchNorm Op	Done	https://github.com/onnx/onnx/pull/3379	During validation in ORT we found some shortcomings in the spec and decided to revise it.
Proto utils bug fix	Done	https://github.com/onnx/onnx/pull/3373
Add content of Readme to package description	Done	https://github.com/onnx/onnx/pull/3376
Upgrade protobuf-compiler in Linux-CI	Done	https://github.com/onnx/onnx/pull/3378

Pending PRs

Desc	Status	PR
Proto utils bug fix	Done	https://github.com/onnx/onnx/pull/3373
Selective Schema Loading	Done	https://github.com/onnx/onnx/pull/3266
Fix Identity op test data	Done	https://github.com/onnx/onnx/pull/3372
ONNX Parser	Done	https://github.com/onnx/onnx/pull/3194
BatchNorm op update	Done	https://github.com/onnx/onnx/pull/3333
Reduce package size for Linux and Mac	Done	https://github.com/onnx/onnx/pull/3337
Hardswish op	Done	https://github.com/onnx/onnx/pull/3332
Deprecate python 3.5	Done	https://github.com/onnx/onnx/pull/3353
ConvInteger test data fix	Done	https://github.com/onnx/onnx/pull/3340
Add python 3.9	Done	https://github.com/onnx/onnx/pull/3352
External Data Helper Updates	Done	https://github.com/onnx/onnx/pull/3280
Extend dtype support for math operators	Done	https://github.com/onnx/onnx/pull/3334
Update Identity Op with Sequence type	Done	https://github.com/onnx/onnx/pull/3366

Work items

Desc	Owner	Status
Validate opset 14 with ORT	Ashwini Khade
Validate Pypi test packages	Jacky Chen
Cut release branch
Validate release packages
Create release summary

Summary - operator updates for opset 14

Op Name	Description	Validation status	ONNX PR
Hardswish	New function op	Done https://github.com/microsoft/onnxruntime/pull/7177	https://github.com/onnx/onnx/pull/3332
Trilu	New Op	Done https://github.com/microsoft/onnxruntime/pull/7102	https://github.com/onnx/onnx/pull/3291
Reshape	Added new attribute allowzero to support numpy like behavior	Done https://github.com/microsoft/onnxruntime/pull/7177	https://github.com/onnx/onnx/pull/3113
BatchNorm	Added training mode attr and a few other updates	Inference validations done. Training not started	https://github.com/onnx/onnx/pull/3333
GRU	Added support for batchwise operations	Done in a private branch	https://github.com/onnx/onnx/pull/3217
LSTM	Added support for batchwise operations	Done in a private branch	https://github.com/onnx/onnx/pull/3217
RNN	Added support for batchwise operations	Done in a private branch	https://github.com/onnx/onnx/pull/3217
Identity	Add support for sequence data type	Done https://github.com/microsoft/onnxruntime/pull/7177	https://github.com/onnx/onnx/pull/3366
Add, Mul, Sub, Div	Added data types (uint8, int8, int16, uint16)	Done https://github.com/microsoft/onnxruntime/pull/7177	https://github.com/onnx/onnx/pull/3334
CumSum	Added data types	Done https://github.com/microsoft/onnxruntime/pull/7102	https://github.com/onnx/onnx/pull/3195
Relu	Added data types	Done https://github.com/microsoft/onnxruntime/pull/7102	https://github.com/onnx/onnx/pull/3141

ONNX release notes template

# Key Updates

## Opset version n [call out new ops vs updated ops and functions]

## API [any changes affecting ONNX APIs]

## Infrastructure [any architectural or infra related changes, including CIs, tests, etc]

## Bug fixes [list of notable bug fixes not covered in sections above]

# Notes [known issues/workarounds, installation/usage changes, dependency updates, etc]

# Contributors Thanks to these individuals for their contributions in this release: [list of contributors during release period]