dotnet/machinelearning

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ML.NET is an open source and cross-platform machine learning framework for .NET.

Stars: 9.4k
Forks: 1.9k
Open beginner issues: 0
Indexed issues: 738
Avg merge: 2d 20h
Merged PRs (30d): 11

Dominant language: C#
License: MIT
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

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737 open issues indexed

LdSvmTrainer slow behaviour when loading from a remote database Open

area-Trainers untriaged

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

dotnet/machinelearning#7380 · 5 comments · 1 reaction · Opened Feb 4, 2025
Batch Tokenization Support Open

area-Tokenizers enhancement

dotnet/machinelearning#7371 · 6 comments · 1 assignee · Opened Jan 23, 2025
Direct Accces to Microsoft.ML.GenAI.LLaMA Model Open

area-GenAI enhancement

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

dotnet/machinelearning#7367 · 5 comments · Opened Jan 16, 2025
ML.NET NER - Mismatched state_dict sizes: expected 60, but found 126 entries. Open

area-TorchSharp

Difficulty 4/5 3-5 days Newbie friendliness 38/100

dotnet/machinelearning#7350 · 2 comments · 7 reactions · Opened Dec 22, 2024
OnnxTransformer GetNamedOnnxValueUnknownSize Index Error Open

area-ONNX

dotnet/machinelearning#7348 · 1 assignee · Opened Dec 19, 2024
PFI (Permutation Feature Importance) takes forever on some regression models created using AutoML Open

area-Core needs-further-triage

dotnet/machinelearning#7345 · 3 comments · 1 assignee · Opened Dec 17, 2024
Run helix tests still fails the build when all issues are known Open

area-Infrastructure

dotnet/machinelearning#7344 · 1 assignee · Opened Dec 17, 2024
LibMF submodule Open

area-Recommender

dotnet/machinelearning#7341 · 1 assignee · Opened Dec 16, 2024
Consider Rust BPE tokenizer implementation Open

area-Tokenizers

dotnet/machinelearning#7336 · 1 assignee · Opened Dec 14, 2024
Add efficient way of concatenating multiple DataFrame objects Open

area-DataFrame enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dotnet/machinelearning#7332 · 1 comment · 2 reactions · Opened Dec 10, 2024
[GenAI] Supervised-fine-tune Open

area-GenAI enhancement

dotnet/machinelearning#7325 · 1 comment · 1 reaction · 1 assignee · Opened Nov 22, 2024
Expose Encoder in TiktokenTokenizer Open

area-Tokenizers enhancement in-pr needs-further-triage

dotnet/machinelearning#7313 · 9 comments · 1 assignee · Opened Nov 15, 2024
Implement DataFrame.Shape method Open

area-DataFrame enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dotnet/machinelearning#7296 · 1 comment · Opened Nov 8, 2024
[WIP] [GenAI] Lora Finetune Open

area-GenAI enhancement

dotnet/machinelearning#7288 · 1 comment · 6 reactions · 1 assignee · Opened Nov 6, 2024
[WIP][GenAI] Finetune Open

area-GenAI enhancement

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

dotnet/machinelearning#7287 · 1 comment · 1 reaction · Opened Nov 6, 2024
GetTempPath hot in some benchmarks in Microsoft.ML.PerformanceTests Open

area-Core

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

dotnet/machinelearning#7277 · 1 comment · Opened Oct 22, 2024
ImageClassificationTrainer stuck on downloading Downloading resnet_v2_50_299.meta Open

area-Vision untriaged

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

dotnet/machinelearning#7276 · 1 comment · Opened Oct 22, 2024
mlnet finds duplicate columns where they don't exist Open

area-AutoML untriaged

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

dotnet/machinelearning#7269 · Opened Oct 12, 2024
[Tracking] Clean up item related to Tokenizers Open

area-Tokenizers

Difficulty 3/5 1-2 days Newbie friendliness 28/100

dotnet/machinelearning#7268 · Opened Oct 10, 2024
Monotone constraint still not support for LightGBM 3.0.1 Open

area-Trees enhancement untriaged

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

dotnet/machinelearning#7265 · 1 comment · Opened Oct 10, 2024
Enable custom token counting Open

area-Tokenizers enhancement untriaged

Difficulty 5/5 Over a week Newbie friendliness 35/100

dotnet/machinelearning#7263 · Opened Oct 7, 2024
sending no seed to mlcontext does not actually randomize stuff Open

area-Trees untriaged

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

dotnet/machinelearning#7259 · Opened Oct 6, 2024
expose LearningRate Open

area-Trees enhancement untriaged

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

dotnet/machinelearning#7258 · Opened Oct 6, 2024
Error inferring columns with AutoML in Blazor WASM Open

area-AutoML untriaged

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

dotnet/machinelearning#7249 · 1 comment · Opened Sep 28, 2024
Timeseries SrCNN blocking use on ARM64 Open

area-TimeSeries enhancement untriaged

Difficulty 5/5 Over a week Newbie friendliness 20/100

dotnet/machinelearning#7244 · Opened Sep 26, 2024
How to Group By with multiple columns? Open

area-DataFrame enhancement untriaged

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

dotnet/machinelearning#7243 · 1 comment · 3 reactions · Opened Sep 24, 2024
OneDAL support for LightGBM Open

area-Native enhancement untriaged

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

dotnet/machinelearning#7234 · 2 comments · 1 reaction · Opened Sep 7, 2024
How can the coordinates of YOLOv5 post-processing data be displayed on the original graph? Open

area-Vision untriaged

Difficulty 4/5 3-5 days Newbie friendliness 30/100

dotnet/machinelearning#7232 · Opened Sep 5, 2024
ML.NET ObjectDetection vs YOLOv4 Open

area-Vision enhancement untriaged

Difficulty 5/5 Over a week Newbie friendliness 20/100

dotnet/machinelearning#7230 · 1 comment · Opened Aug 30, 2024
Unable to load shared library 'MklImports' on MacOS with CLI Open

area-Native untriaged

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

dotnet/machinelearning#7229 · 2 comments · 1 reaction · Opened Aug 30, 2024
Integrating ML.Net 3.0.1 into Unity 2022.3.28f1 causes "DllNotFoundExeption: CpuMathNative" Open

area-Native untriaged

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dotnet/machinelearning#7226 · Opened Aug 29, 2024
Onnx with single float output throws exception during MLContext predict Open

area-ONNX bug

dotnet/machinelearning#7225 · 1 comment · 1 reaction · 1 assignee · Opened Aug 29, 2024
mlnet cli will not run binary classification, but always multiclass despite label having 2 values only. Open

area-AutoML untriaged

Difficulty 3/5 1-2 days Newbie friendliness 25/100

dotnet/machinelearning#7222 · 1 comment · Opened Aug 23, 2024
Documentation of question and answer models Open

area-TorchSharp documentation enhancement untriaged

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

dotnet/machinelearning#7221 · 1 comment · Opened Aug 21, 2024
ASP.NET vs ML.Net ObjectDetection Open

area-TorchSharp untriaged

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

dotnet/machinelearning#7219 · 10 comments · Opened Aug 15, 2024
Update or retire ROADMAP.md Open

area-Meta documentation untriaged

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

dotnet/machinelearning#7217 · 2 reactions · Opened Aug 11, 2024
Issue with onnxruntime.dll not found in .NET 7.0 project Open

area-ONNX needs-author-action

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

dotnet/machinelearning#7214 · 2 comments · Opened Aug 6, 2024
DataFrame LoadCsv improvements Open

area-DataFrame enhancement untriaged

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

dotnet/machinelearning#7213 · Opened Aug 5, 2024
Comment in example code not matching docstring for TimeSeriesCatalog.DetectSeasonality Method Open

area-TimeSeries documentation untriaged

Difficulty 1/5 Under an hour Newbie friendliness 90/100

dotnet/machinelearning#7205 · Opened Jul 30, 2024
[Tokenizers] How to load HF based tokenizers e.g. SmolLM Open

area-Tokenizers documentation enhancement question

dotnet/machinelearning#7197 · 1 reaction · 1 assignee · Opened Jul 22, 2024
Missing NuGet Package readme for many Microsoft.ML packages Open

area-Infrastructure documentation

Difficulty 3/5 1-2 days Newbie friendliness 68/100

dotnet/machinelearning#7195 · 3 comments · Opened Jul 16, 2024
Higher CUDA / Tensorflow compatibility Open

area-TensorFlow documentation enhancement untriaged

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

dotnet/machinelearning#7194 · 3 comments · Opened Jul 15, 2024
ModelFilePath within a .mbconfig file stores an absolute path, which prevents the project to work correctly if moved or cloned. Open

area-AutoML question untriaged

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dotnet/machinelearning#7191 · 1 comment · Opened Jul 11, 2024
Error During Retraining with New Labels Open

area-Trainers enhancement untriaged

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

dotnet/machinelearning#7187 · Opened Jul 3, 2024
Possible bug in DoubleParser.cs Open

area-Core untriaged

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

dotnet/machinelearning#7181 · Opened Jun 20, 2024
Make class labels on the ConfusionMatrix publicly readable for custom charting support Open

api-suggestion area-Core enhancement untriaged

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dotnet/machinelearning#7176 · 1 reaction · Opened Jun 15, 2024
Add GenAI packages Open

area-GenAI enhancement untriaged

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

dotnet/machinelearning#7169 · 16 comments · 5 reactions · Opened Jun 6, 2024
DataFrame.LoadCsv() Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1' Open

area-DataFrame untriaged

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

dotnet/machinelearning#7152 · Opened May 15, 2024
Get Loss During Training for Visualization (Learning Curve Graph) Open

area-Trainers enhancement untriaged

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

dotnet/machinelearning#7140 · 1 reaction · Opened Apr 23, 2024
Specify Categorical Features in LightGBM Open

area-Trees enhancement untriaged

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

dotnet/machinelearning#7137 · Opened Apr 22, 2024

dotnet/machinelearning

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