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[BUG] [ObservableProperty] OnChanged Callback Not Firing with TwoWay Binding

bug 🐛An unexpected issue that highlights incorrect behaviorAn unexpected issue that highlights incorrect behavior

mvvm-toolkit 🧰Issues/PRs for the MVVM ToolkitIssues/PRs for the MVVM Toolkit

needs author feedback 📝This issue or PR needs a reply from the authorThis issue or PR needs a reply from the author

Status: Open.

#1166 In CommunityToolkit/dotnet;

·SuthiYuvaraj openedon Feb 18, 2026

SelectionChangedCommandParameter is evaluated before SelectedItem updates in .NET 11

bug 🐛An unexpected issue that highlights incorrect behaviorAn unexpected issue that highlights incorrect behavior

mvvm-toolkit 🧰Issues/PRs for the MVVM ToolkitIssues/PRs for the MVVM Toolkit

needs author feedback 📝This issue or PR needs a reply from the authorThis issue or PR needs a reply from the author

Status: Open.

#1165 In CommunityToolkit/dotnet;

·SuthiYuvaraj openedon Feb 18, 2026

Add the <code>partial</code> modifier to the generated property of the Relay Command

feature request 📬A request for new changes to improve functionalityA request for new changes to improve functionality

Status: Open.

#1164 In CommunityToolkit/dotnet;

·egvijayanand openedon Feb 16, 2026

Refreshing all properties of an ObservableObject

Status: Open.

#1160 In CommunityToolkit/dotnet;

·vpenades openedon Jan 28, 2026

AttachedDropShadow casts wrong shadow on different scale screens

bug 🐛An unexpected issue that highlights incorrect behaviorAn unexpected issue that highlights incorrect behavior

Status: Open.

#1157 In CommunityToolkit/dotnet;

·DilanBoskan openedon Jan 20, 2026

Undocumented change in RelayCommand compared to MVVM Light

feature request 📬A request for new changes to improve functionalityA request for new changes to improve functionality

Status: Open.

#1148 In CommunityToolkit/dotnet;

·hardcodet openedon Dec 11, 2025

why I cannot found ObservableValidatorAttribute ，but can found ObservableRecipientAttribute and ObservableObjectAttribute？

Status: Open.

#1146 In CommunityToolkit/dotnet;

·idea-zone openedon Dec 3, 2025

Resizer: variable font files: unable to load valid file names

bug 🐛An unexpected issue that highlights incorrect behaviorAn unexpected issue that highlights incorrect behavior

Status: Open.

#1143 In CommunityToolkit/dotnet;

·softlion openedon Nov 20, 2025

CommunityToolkit.Mvvm v8.4.0 Fails to Compile in Default .NET 10 Project Settings

analyzer 👓A new analyzer being implemented or updatedA new analyzer being implemented or updated

bug 🐛An unexpected issue that highlights incorrect behaviorAn unexpected issue that highlights incorrect behavior

mvvm-toolkit 🧰Issues/PRs for the MVVM ToolkitIssues/PRs for the MVVM Toolkit

Status: Open.

Bug

#1139 In CommunityToolkit/dotnet;

·ali50m openedon Nov 12, 2025

Overload resolution picks Toolkit's <code>Span&lt;T&gt;</code> extensions over BCL in .NET 10

bug 🐛An unexpected issue that highlights incorrect behaviorAn unexpected issue that highlights incorrect behavior

Status: Open.

#1138 In CommunityToolkit/dotnet;

·aromaa openedon Nov 11, 2025

RefTuple

feature request 📬A request for new changes to improve functionalityA request for new changes to improve functionality

Status: Open.

#1128 In CommunityToolkit/dotnet;

·Avid29 openedon Oct 15, 2025

Allow ref struct on Generic ThrowHelper methods

feature request 📬A request for new changes to improve functionalityA request for new changes to improve functionality

Status: Open.

#1127 In CommunityToolkit/dotnet;

·Avid29 openedon Oct 15, 2025