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ValidationContext passed to IsValid method of validation attributes always has root ValidatableType as the ObjectInstance

area-minimalIncludes minimal APIs, endpoint filters, parameter binding, request delegate generator etcIncludes minimal APIs, endpoint filters, parameter binding, request delegate generator etc

feature-validationIssues related to model validation in minimal and controller-based APIsIssues related to model validation in minimal and controller-based APIs

Status: Open.

Bug

#67004 In dotnet/aspnetcore;

· BurningLights opened on Jun 3, 2026

.NET 10 regression in publishing extra files

area-middlewareIncludes: URL rewrite, redirect, response cache/compression, session, and other general middlewaresIncludes: URL rewrite, redirect, response cache/compression, session, and other general middlewares

Regression

Status: Open.

Bug

#67003 In dotnet/aspnetcore;

· miloush opened on Jun 3, 2026

[aw] Daily Test Quarantine Management failed

agentic-workflows

Status: Open.

#67000 In dotnet/aspnetcore;

· github-actions opened on Jun 3, 2026

Let calling code populate ValidationContext.Items when using Blazor or Minimal APIs

api-proposal

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-blazorIncludes: Blazor, Razor ComponentsIncludes: Blazor, Razor Components

area-minimalIncludes minimal APIs, endpoint filters, parameter binding, request delegate generator etcIncludes minimal APIs, endpoint filters, parameter binding, request delegate generator etc

feature-validationIssues related to model validation in minimal and controller-based APIsIssues related to model validation in minimal and controller-based APIs

Status: Open.

Feature

#66995 In dotnet/aspnetcore;

· Trivivium opened on Jun 3, 2026

·  

Backlog

[dnceng-bot] Branch aspnetcore/release/9.0 can't be merged to Azdo internal branch

area-infrastructureIncludes: MSBuild projects/targets, build scripts, CI, Installers and shared frameworkIncludes: MSBuild projects/targets, build scripts, CI, Installers and shared framework

Status: Open.

Task

#66991 In dotnet/aspnetcore;

· dotnet-maestro-bot opened on Jun 2, 2026

[dnceng-bot] Branch aspnetcore/release/8.0 can't be merged to Azdo internal branch

area-infrastructureIncludes: MSBuild projects/targets, build scripts, CI, Installers and shared frameworkIncludes: MSBuild projects/targets, build scripts, CI, Installers and shared framework

Status: Open.

Task

#66990 In dotnet/aspnetcore;

· dotnet-maestro-bot opened on Jun 2, 2026

Microsoft.Extensions.Validation API updates

api-proposal

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-minimalIncludes minimal APIs, endpoint filters, parameter binding, request delegate generator etcIncludes minimal APIs, endpoint filters, parameter binding, request delegate generator etc

Status: Open.

Feature

#66980 In dotnet/aspnetcore;

· Youssef1313 opened on Jun 2, 2026

·  

11.0-preview6

MSAL Authentication Issue After Upgrading to 10.0.8 (Blazor WebAssembly

area-blazorIncludes: Blazor, Razor ComponentsIncludes: Blazor, Razor Components

Author: Migration Bot 🤖The issue was created by a issue mover bot. The author may not be the actual author.The issue was created by a issue mover bot. The author may not be the actual author.

Status: Open.

Bug

#66978 In dotnet/aspnetcore;

· vsfeedback opened on Jun 2, 2026

Update SDK-bundled tools to use aggregate executable shims

area-commandlinetoolsIncludes: Command line tools, dotnet-dev-certs, dotnet-user-jwts, and OpenAPIIncludes: Command line tools, dotnet-dev-certs, dotnet-user-jwts, and OpenAPI

NativeAOT

Status: Open.

Feature

#66976 In dotnet/aspnetcore;

· DamianEdwards opened on Jun 2, 2026

·  

11.0.0

Quarantine ServerVirtualizationTest.AnchorMode_End_AppendAfterLeavingBottom_DoesNotReengage flaky test

test-failure

Status: Open.

#66970 In dotnet/aspnetcore;

· github-actions opened on Jun 2, 2026

·  

Backlog

Quarantine RedirectStreamingGetToExternal and RedirectStreamingEnhancedGetToExternal flaky tests

test-failure

Status: Open.

#66969 In dotnet/aspnetcore;

· github-actions opened on Jun 2, 2026

Form validation for Blazor (EditForm) to include validation error message for data annotations and custom validation at the same time

area-blazorIncludes: Blazor, Razor ComponentsIncludes: Blazor, Razor Components

Needs: Author FeedbackThe author of this issue needs to respond in order for us to continue investigating this issue.The author of this issue needs to respond in order for us to continue investigating this issue.

Status: Open.

Feature

#66966 In dotnet/aspnetcore;

· vsfeedback opened on Jun 1, 2026