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[Blazor] Enable debugging for Blazor WebAssembly apps launched from Aspire dashboard

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

Status: Open.

#64891 In dotnet/aspnetcore;

· javiercn opened on Dec 29, 2025

[Blazor] Aspire integration improvements

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

Status: Open.

Epic

#64888 In dotnet/aspnetcore;

· javiercn opened on Dec 29, 2025

[Blazor] WebAssembly OpenTelemetry integration

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

enhancementThis issue represents an ask for new feature or an enhancement to an existing oneThis issue represents an ask for new feature or an enhancement to an existing one

Status: Open.

#64890 In dotnet/aspnetcore;

· javiercn opened on Dec 29, 2025

Blazor Hybrid (WebViewRenderer) should support per-page/component render modes as no-ops

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

enhancementThis issue represents an ask for new feature or an enhancement to an existing oneThis issue represents an ask for new feature or an enhancement to an existing one

feature-blazor-hybrid

feature-request

Status: Open.

#65875 In dotnet/aspnetcore;

· mattleibow opened on Mar 19, 2026

ACNM: Dependency provider use the same key for both arm64 and x64

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

bugThis issue describes a behavior which is not expected - a bug.This issue describes a behavior which is not expected - a bug.

feature-installersIncludes: InstallersIncludes: Installers

Status: Open.

#65953 In dotnet/aspnetcore;

· joeloff opened on Mar 24, 2026

Don't use 1ES Ubuntu for Linux-x64 job, once Azure CLI is available on Ubunutu 22.04

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

feature-request

Status: Open.

#66076 In dotnet/aspnetcore;

· wtgodbe opened on Mar 31, 2026

Design proposal: Blazor server-triggered circuit pause

api-proposal

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

design-proposalThis issue represents a design proposal for a different issue, linked in the descriptionThis issue represents a design proposal for a different issue, linked in the description

Status: Open.

#66244 In dotnet/aspnetcore;

· ilonatommy opened on Apr 9, 2026

[Blazor] Library for handling component UI in AI applications

api-proposal

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

Status: Open.

#66178 In dotnet/aspnetcore;

· javiercn opened on Apr 6, 2026

Fix Virtualize table-mode scrolling in CSS Grid layouts (e.g. Aspire Dashboard)

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

pending-ci-rerunWhen assigned to a PR indicates that the CI checks should be rerunWhen assigned to a PR indicates that the CI checks should be rerun

Status: Open (in progress).

dotnet/aspnetcorenumber 66246

#66246 In dotnet/aspnetcore;

· ilonatommy opened on Apr 9, 2026

feat: Surface generated OpenAPI document paths via MSBuild Message

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

community-contributionIndicates that the PR has been added by a community memberIndicates that the PR has been added by a community member

pending-ci-rerunWhen assigned to a PR indicates that the CI checks should be rerunWhen assigned to a PR indicates that the CI checks should be rerun

Status: Open (in progress).

dotnet/aspnetcorenumber 66084

#66084 In dotnet/aspnetcore;

· selcukgural opened on Apr 1, 2026

feat(openapi): support Description Attribute on Nullable enums

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

community-contributionIndicates that the PR has been added by a community memberIndicates that the PR has been added by a community member

feature-openapi

pending-ci-rerunWhen assigned to a PR indicates that the CI checks should be rerunWhen assigned to a PR indicates that the CI checks should be rerun

Status: Open (in progress).

dotnet/aspnetcorenumber 65245

#65245 In dotnet/aspnetcore;

· rdeveen opened on Jan 27, 2026

[API Proposal] Improve static display name resolution in Microsoft.Extensions.Validation

api-proposal

api-ready-for-reviewAPI is ready for formal API review - https://github.com/dotnet/apireviewsAPI is ready for formal API review - https://github.com/dotnet/apireviews

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.

#66378 In dotnet/aspnetcore;

· oroztocil opened on Apr 20, 2026

Add QUERY to known HTTP methods in HostingMetrics

area-hostingIncludes HostingIncludes Hosting

community-contributionIndicates that the PR has been added by a community memberIndicates that the PR has been added by a community member

pending-ci-rerunWhen assigned to a PR indicates that the CI checks should be rerunWhen assigned to a PR indicates that the CI checks should be rerun

Status: Open (in progress).

dotnet/aspnetcorenumber 63276

#63276 In dotnet/aspnetcore;

· doominator42 opened on Aug 15, 2025

fix: Allow pnpm execution without .cmd extension on Windows in SpaProxy

community-contributionIndicates that the PR has been added by a community memberIndicates that the PR has been added by a community member

needs-area-labelUsed by the dotnet-issue-labeler to label those issues which couldn't be triaged automaticallyUsed by the dotnet-issue-labeler to label those issues which couldn't be triaged automatically

pending-ci-rerunWhen assigned to a PR indicates that the CI checks should be rerunWhen assigned to a PR indicates that the CI checks should be rerun

Status: Open (in progress).

dotnet/aspnetcorenumber 65386

#65386 In dotnet/aspnetcore;

· murataslan1 opened on Feb 10, 2026

IIS AspNetCoreModuleV2: random/endless recycles

✔️ Resolution: FixedThe bug or enhancement requested in this issue has been checked-in!The bug or enhancement requested in this issue has been checked-in!

area-networkingIncludes servers, yarp, json patch, bedrock, websockets, http client factory, and http abstractionsIncludes servers, yarp, json patch, bedrock, websockets, http client factory, and http abstractions

feature-iisIncludes: IIS, ANCMIncludes: IIS, ANCM

Status: Open.

#54531 In dotnet/aspnetcore;

· mus65 opened on Mar 13, 2024

Microsoft.AspNetCore.OpenApi: Enum type is missing when using JsonStringEnumConverter

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

feature-openapi

Status: Open.

#61303 In dotnet/aspnetcore;

· jeremia opened on Apr 3, 2025

Virtualization supports anchor modes

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

feature-blazor-virtualizationThis issue is related to the Blazor Virtualize componentThis issue is related to the Blazor Virtualize component

Status: Open.

#65742 In dotnet/aspnetcore;

· ilonatommy opened on Mar 11, 2026

Fix RouteHandlerAnalyzer to avoid exception when generic type parameter is used in a handler

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

community-contributionIndicates that the PR has been added by a community memberIndicates that the PR has been added by a community member

Status: Open (in progress).

dotnet/aspnetcorenumber 63641

#63641 In dotnet/aspnetcore;

· Alex-Sob opened on Sep 11, 2025

Warning AD0001 : Analyzer 'Microsoft.AspNetCore.Analyzers.RouteHandlers.RouteHandlerAnalyzer' NullReferenceException due to generics in minimal API

analyzerIndicates an issue which is related to analyzer experienceIndicates an issue which is related to analyzer experience

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

Status: Open.

#56831 In dotnet/aspnetcore;

· madskonradsen opened on Jul 16, 2024

Media type application/problem+json still lost in combination with ProducesAttribute

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

bugThis issue describes a behavior which is not expected - a bug.This issue describes a behavior which is not expected - a bug.

feature-mvc-execution-pipelineFeatures related to how MVC executes a controller or razor pageFeatures related to how MVC executes a controller or razor page

feature-problem-details

Status: Open.

Bug

#39802 In dotnet/aspnetcore;

· dsun1 opened on Jan 27, 2022