microsoft/onnxruntime-extensions

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onnxruntime-extensions: A specialized pre- and post- processing library for ONNX Runtime

Stars: 479
Forks: 144
Open beginner issues: 0
Indexed issues: 21
Avg merge: 1d 8h
Merged PRs (30d): 11

Dominant language: C++
License: MIT
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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21 open issues indexed

Request to expose WordPiece/BERT as a runtime tokenizer type in `OrtxCreateTokenizer` (already exists as graph ops) Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/onnxruntime-extensions#1119 · Opened Sep 14, 2026
DecodeImage is causing my program to exit Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/onnxruntime-extensions#1094 · Opened Jul 22, 2026
Request: Publish a New Android Release with the 16 KB Page Size Compatibility Fix Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/onnxruntime-extensions#1093 · 3 comments · Opened Jul 17, 2026
Vendored minja.hpp missing .replace() and other common Jinja string methods — chat templates from popular HF models fail to render Open

stale

Difficulty 4/5 3-5 days Newbie friendliness 64/100

microsoft/onnxruntime-extensions#1081 · 2 comments · Opened Jun 12, 2026
[Bug] BertTokenizer custom operator produces non-deterministic alternating outputs due to cross-call state pollution Open

stale

Difficulty 4/5 3-5 days Newbie friendliness 58/100

microsoft/onnxruntime-extensions#1072 · 1 comment · Opened Jun 7, 2026
windows: clang: file_sys.h does not work Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

microsoft/onnxruntime-extensions#1071 · 2 comments · Opened Jun 5, 2026
Optimize bicubic resize with OpenMP + SIMD for large images Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/onnxruntime-extensions#1057 · 1 comment · Opened May 6, 2026
Document contracts for all ops Open

microsoft/onnxruntime-extensions#1048 · 1 reaction · 2 assignees · Opened Apr 17, 2026
Support for Python 3.14 Open

stale

microsoft/onnxruntime-extensions#1024 · 2 comments · 1 reaction · 2 assignees · Opened Feb 11, 2026
Enable Android 16 KB page size support Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

microsoft/onnxruntime-extensions#950 · 14 comments · 9 reactions · Opened May 8, 2025
Release v0.14.0 to Maven and Cocoapods Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

microsoft/onnxruntime-extensions#939 · 10 comments · 1 reaction · Opened May 1, 2025
Phi4-multimodal model crashed on 48k hz audio Open

microsoft/onnxruntime-extensions#900 · 2 assignees · Opened Feb 28, 2025
Publish onnxruntime-extensions Builds for Java to Maven Central Open

microsoft/onnxruntime-extensions#597 · 36 comments · 4 reactions · 1 assignee · Opened Nov 8, 2023
ImportError: cannot import name 'pnp' from 'onnxruntime_extensions' Open

microsoft/onnxruntime-extensions#317 · 2 comments · 1 assignee · Opened Nov 27, 2022
Crash when string input is empty or just white space. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/onnxruntime-extensions#221 · 2 comments · Opened Apr 12, 2022
version dependency Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/onnxruntime-extensions#217 · 1 comment · Opened Apr 1, 2022
StringSplit wrong behaviour when separator is empty Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

microsoft/onnxruntime-extensions#216 · 2 comments · Opened Mar 29, 2022
List available custom ops Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/onnxruntime-extensions#213 · 4 comments · Opened Mar 22, 2022
Reference for adding two custom kernels to onnxruntime Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/onnxruntime-extensions#211 · 1 comment · Opened Mar 22, 2022
How to implement a C++ custom op with cuda support? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/onnxruntime-extensions#181 · 1 comment · Opened Nov 1, 2021
NER transformers model packed in one onnx file with Sentencepiece Tokenizer Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/onnxruntime-extensions#164 · 18 comments · Opened Oct 4, 2021

microsoft/onnxruntime-extensions

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