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ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

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### Is your feature request related to a problem? Please describe. It seems that currently is not possible to send to signalR clients directly a JSON string or even JSON...

enhancement
area-signalr
severity-nice-to-have
affected-very-few

As part of MVC's support for record types, `ValidateNeverAttribute` is now allowed to be applied to parameters. However, when applied to action parameters, the attribute has no effect and the...

bug
area-mvc
feature-model-binding
affected-few
severity-minor

### Describe the bug #### https error when using webapi with sdk dotnet 8.0.203 on a mac Sonoma 14.4 (x64) I'm on a mac, Sonoma 14.4 I use the dotnet...

area-networking

When we run the tests in our CI, the following tests fail: ``` Microsoft.AspNetCore.TargetingPackTests.PlatformManifestListsAllFiles Microsoft.AspNetCore.TargetingPackTests.PackageOverridesContainsCorrectEntries Microsoft.AspNetCore.TargetingPackTests.TargetingPackContainsListedAssemblies Microsoft.AspNetCore.TargetingPackTests.FrameworkListContainsCorrectPaths Microsoft.AspNetCore.TargetingPackTests.AssembliesAreReferenceAssemblies Microsoft.AspNetCore.TargetingPackTests.FrameworkListContainsCorrectEntries Microsoft.AspNetCore.TargetingPackTests.RefAssemblyReferencesHaveExpectedAssemblyVersions Microsoft.AspNetCore.TargetingPackTests.FrameworkListContainsAnalyzerLanguage Microsoft.AspNetCore.TargetingPackTests.RefAssembliesHaveExpectedAssemblyVersions Microsoft.AspNetCore.SharedFxTests.SharedFrameworkContainsValidRuntimeConfigFile Microsoft.AspNetCore.SharedFxTests.ItContainsVersionFile Microsoft.AspNetCore.SharedFxTests.SharedFrameworkContainsValidDepsJson Microsoft.AspNetCore.SharedFxTests.SharedFrameworkContainsExpectedFiles Microsoft.AspNetCore.SharedFxTests.SharedFrameworkAssembliesHaveExpectedAssemblyVersions Microsoft.AspNetCore.SharedFxTests.SharedFrameworkContainsListedAssemblies Microsoft.AspNetCore.SharedFxTests.SharedFrameworkAssemblyReferencesHaveExpectedAssemblyVersions ```...

area-infrastructure

### Is there an existing issue for this? - [X] I have searched the existing issues ### Is your feature request related to a problem? Please describe the problem. Currently,...

area-hosting

Context: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1437972?src=WorkItemMention&src-action=artifact_link Environment variable to use: ASPNETCORE_AUTO_RELOAD_VDIR

bug
area-commandlinetools
feature-dotnetwatch
feature-hot-reload
triaged

### Is there an existing issue for this? - [X] I have searched the existing issues ### Is your feature request related to a problem? Please describe the problem. Developers...

feature-spa
area-ui-rendering

### Is there an existing issue for this? - [X] I have searched the existing issues ### Describe the bug In Program.cs I have the following section of code: ```csharp...

Needs: Author Feedback
area-minimal

## Background and Motivation The header Access-Control-Expose-Headers supports wildcard as with other cors headers. ## Proposed API ```cs namespace Microsoft.AspNetCore.Cors.Infrastructure; public class CorsPolicyBuilder { + public CorsPolicyBuilder AllowAnyExposedHeader(); } ```...

api-suggestion
feature-cors
area-middleware

### Is there an existing issue for this? - [X] I have searched the existing issues ### Is your feature request related to a problem? Please describe the problem. I...

help wanted
area-mvc
feature-openapi