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.NET Community Toolkit is a collection of helpers and APIs that work for all .NET developers and are agnostic of any specific UI platform. The toolkit is maintained and published by Microsoft, and par...

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**Closes** ## PR Checklist - [x] Created a feature/dev branch in your fork (vs. submitting directly from a commit on main) - [x] Based off latest main branch of toolkit...

### Overview I've been writing some code along a very hot path and I'm finding some tension between wanting the safety of using Guard clauses but also worrying about the...

feature request :mailbox_with_mail:

### Discussed in https://github.com/CommunityToolkit/dotnet/discussions/919 Originally posted by **mkulisic** August 22, 2024 Hello, I have a boolean ObservableProperty in my application that can be updated either via the UI by the...

### Overview Is it possible to add minimum allocation and low overhead direct support for Linq on Memory and Span please. There is this project but it does not seam...

feature request :mailbox_with_mail:

### Overview As we know, `RelayCommand` and getter-only properties need to be notified when their dependencies change. That is usually done with `NotifyCanExecuteChangedForAttribute` and `NotifyPropertyChangedForAttribute`. But what needs to be...

feature request :mailbox_with_mail:

### Overview I am trying to write some observable data classes which use mutable array of a fixed size. I need something like ObservableCollection but without the ability to add...

feature request :mailbox_with_mail:

### Describe the bug I am using AsyncRequestMessage in MAUI, I have added a button in the group header of the CollectionView, clicking on the button sends an AsyncRequestMessage but...

bug :bug:

### Describe the bug When using the ObservableObject attribute from the CommunityToolkit.Mvvm v8.3.2 package on the code behind partial class of a WPF UserControl like this: ![Image](https://github.com/user-attachments/assets/f1ff4525-d9d9-4528-94b2-1f799b5c03f7) The reference ``...

bug :bug:

### Describe the bug i always use ObservableRecipient and its IsActive property, now it seems that does not support AOT/Trim. Solution: i created a new property for this: [ObservableProperty] public...

bug :bug:

Can the code generator for [RelayCommand] issue a warning/error if the method name ends in "...Command", to avoid a command unintentionally called "XxxCommandCommand" being generated?