dotnet/machinelearning-modelbuilder

Simple UI tool to build custom machine learning models.

Stars: 285
Forks: 66
Open beginner issues: 0
Indexed issues: 472

Dominant language: Dockerfile
License: CC-BY-4.0
Last GitHub push: Mar 6, 2024
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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472 open issues indexed

Code snippet is blank after train Object detection. Open

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

dotnet/machinelearning-modelbuilder#3089 · Opened Aug 17, 2026
Why file or system is not being loaded Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

dotnet/machinelearning-modelbuilder#3088 · Opened Aug 3, 2026
It is not possible to use the Machine learning wizard Open

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

dotnet/machinelearning-modelbuilder#3087 · 4 comments · Opened Jul 5, 2026
Failed to complete test myMLApp project Open

GS Tutorial

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

dotnet/machinelearning-modelbuilder#3085 · 2 comments · Opened Jun 26, 2026
y Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

dotnet/machinelearning-modelbuilder#3084 · Opened Jun 24, 2026
Could not load file or assembly Open

Difficulty 4/5 3-5 days Newbie friendliness 18/100

dotnet/machinelearning-modelbuilder#3083 · 1 comment · Opened Jun 22, 2026
Generated .mlnet file solution reference mismatched from actual location Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

dotnet/machinelearning-modelbuilder#3082 · Opened May 25, 2026
critical errors Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

dotnet/machinelearning-modelbuilder#3081 · Opened May 8, 2026
scoring financiero Open

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

dotnet/machinelearning-modelbuilder#3080 · Opened May 4, 2026
Training time finished without completing a successful trial. Either no trial completed or the metric for all completed trials are NaN or Infinity Open

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

dotnet/machinelearning-modelbuilder#3079 · Opened Apr 25, 2026
Showing error in Train Tab Open

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

dotnet/machinelearning-modelbuilder#3078 · Opened Apr 10, 2026
Model Builder suggestion Open

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

dotnet/machinelearning-modelbuilder#3077 · Opened Feb 6, 2026
Load from Database doesn't work. Open

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

dotnet/machinelearning-modelbuilder#3076 · Opened Jan 28, 2026
Training time finished without completing a successful trial. Either no trial completed or the metric for all completed trials are NaN or Infinity Open

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

dotnet/machinelearning-modelbuilder#3075 · Opened Jan 22, 2026
Value cannot be null. (Parameter 'providerFactory') Visual studio 2026 Open

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

dotnet/machinelearning-modelbuilder#3074 · 1 comment · Opened Dec 29, 2025
Is there any reason to stick with LightGBM 3.3.5? Open

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

dotnet/machinelearning-modelbuilder#3073 · Opened Dec 28, 2025
Color contrast ratio of the focus indicator on "Radio" buttons with the background is 1.237:1 which is less than 3:1 in Dark mode: A11y_ML.NET Model Builder_Scenario_Non Text Contrast. Open

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

dotnet/machinelearning-modelbuilder#3072 · Opened Dec 18, 2025
ml1 Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

dotnet/machinelearning-modelbuilder#3071 · Opened Oct 27, 2025
Grouping label is not marked for the "Select validation data strategy" group: A11y_ML.NET Model Builder_Info and Relationship. Open

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

dotnet/machinelearning-modelbuilder#3070 · 1 comment · Opened Oct 24, 2025
When using the magnifier in reflow mode, the user has to scroll back and forth to view the content: A11y_ML.NET Model Builder_Reflow Open

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

dotnet/machinelearning-modelbuilder#3069 · 1 comment · Opened Oct 24, 2025
When I load in my data for text classification in ML.NET it comes up with this error: Activating the "MicrosoftMLModelBuilderAutoML" service failed. Open

GS Tutorial

Difficulty 4/5 3-5 days Newbie friendliness 20/100

dotnet/machinelearning-modelbuilder#3068 · Opened Oct 21, 2025
Hello, when installing Microsoft.ML.ModelBuilder.Gallery.Dev17.19.2.vsix I am getting an error "Extract: extension/package.json not found inside zip." Open

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

dotnet/machinelearning-modelbuilder#3066 · Opened Sep 29, 2025
Training time finished without completing a successful trial. Either no trial completed or the metric for all completed trials are NaN or Infinity Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

dotnet/machinelearning-modelbuilder#3064 · Opened Sep 4, 2025
When Model.mbconfig file in sub files,it can not be opened correctly. Open

Difficulty 3/5 1-2 days Newbie friendliness 32/100

dotnet/machinelearning-modelbuilder#3063 · Opened Aug 14, 2025
AutoML doesn't use the default namespace of the project Open

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

dotnet/machinelearning-modelbuilder#3062 · Opened Aug 8, 2025
muhammad_programming Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

dotnet/machinelearning-modelbuilder#3061 · Opened Jul 28, 2025
Suggestion: Add Optional "Advanced Settings" Section in Model Builder Open

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

dotnet/machinelearning-modelbuilder#3060 · Opened Jul 27, 2025
can't exit this page! Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

dotnet/machinelearning-modelbuilder#3059 · Opened Jul 18, 2025
Where is the ML Model Builder Extension for VB.NET ? Open

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

dotnet/machinelearning-modelbuilder#3058 · 1 comment · Opened Jul 15, 2025
Difference in predicted values in Evaluate-Tab and App (with same Feature-values!) Open

GS Tutorial

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

dotnet/machinelearning-modelbuilder#3057 · Opened Jul 13, 2025
Microsoft forgot it ... Again ... Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

dotnet/machinelearning-modelbuilder#3056 · Opened Jun 16, 2025
A Open

GS Tutorial

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

dotnet/machinelearning-modelbuilder#3055 · Opened Jun 2, 2025
Salle de sport Open

GS Tutorial

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

dotnet/machinelearning-modelbuilder#3054 · 1 comment · Opened May 26, 2025
When creating a Console app get "Object not set to an instance of an object" Open

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

dotnet/machinelearning-modelbuilder#3053 · Opened May 20, 2025
ML.NET Model Builder error while training model using CPU Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

dotnet/machinelearning-modelbuilder#3052 · Opened May 19, 2025
Named entity recognition is stuck on training Open

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

dotnet/machinelearning-modelbuilder#3051 · Opened May 17, 2025
evaluate additions Open

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

dotnet/machinelearning-modelbuilder#3050 · Opened May 10, 2025
Open Source Release Open

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

dotnet/machinelearning-modelbuilder#3049 · 1 reaction · Opened May 8, 2025
Named Entity Recognition csv import bug Open

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

dotnet/machinelearning-modelbuilder#3048 · Opened May 7, 2025
Can't disable binary variants in Data Classification task Open

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

dotnet/machinelearning-modelbuilder#3047 · Opened May 6, 2025
Possible mixup in metrics for binary classification (leads to wrong model selected) Open

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

dotnet/machinelearning-modelbuilder#3046 · Opened May 6, 2025
Image classification & Object detection: Training failed when choosing Azure environment. Open

Priority:0 Reported by: Test

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

dotnet/machinelearning-modelbuilder#3045 · 1 comment · Opened Apr 29, 2025
Image classification & Object detection: Cannot create a new workspace for Azure environment. Open

Priority:0 Reported by: Test

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

dotnet/machinelearning-modelbuilder#3044 · Opened Apr 29, 2025
Missing c#-Item 'Machine Learning Model (ML.NET)' Open

GS Tutorial

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

dotnet/machinelearning-modelbuilder#3043 · Opened Apr 28, 2025
Can't bind the IDataView column 'SentenceEmbedding' of type 'Single' to field or property 'SentenceEmbedding' of type 'System.Single[]' Open

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

dotnet/machinelearning-modelbuilder#3042 · Opened Apr 27, 2025
BotConnectorApp seems to be missing Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

dotnet/machinelearning-modelbuilder#3041 · Opened Apr 24, 2025
Model Builder Training Error Open

GS Tutorial

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

dotnet/machinelearning-modelbuilder#3040 · Opened Apr 6, 2025
When creating a new workspace, the Screen Reader (NVDA/JAWS) does not announce status message: A11y_ML.NET Model Builder_Create new workspace_ScreenReader Open

Accessibility Ready to Validate

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

dotnet/machinelearning-modelbuilder#3039 · 2 comments · Opened Mar 31, 2025
The JSON-RPC connection with the remote party was lost before the request could complete. Open

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

dotnet/machinelearning-modelbuilder#3038 · Opened Mar 30, 2025
UI not showing correct info Open

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

dotnet/machinelearning-modelbuilder#3035 · Opened Mar 27, 2025

A short digest of beginner-friendly GitHub issues.