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@onevent:preventDefault does not trigger when event is not already registered

affected-fewThis issue impacts only small number of customersThis issue impacts only small number of customers

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

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

feature-blazor-component-modelAny feature that affects the component model for Blazor (Parameters, Rendering, Lifecycle, etc)Any feature that affects the component model for Blazor (Parameters, Rendering, Lifecycle, etc)

Pillar: Technical Debt

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

severity-minorThis label is used by an internal toolThis label is used by an internal tool

Status: Closed (completed).

Bug

#18449 In dotnet/aspnetcore;

· by poke was closed on Jul 2, 2025

Blazor Server: Provide APIs/extensibility for circuit eviction

affected-fewThis issue impacts only small number of customersThis issue impacts only small number of customers

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-server

feature-circuit-lifecycleIssues to do with blazor server lifecycle eventsIssues to do with blazor server lifecycle events

help candidateIndicates that the issues may be a good fit for community to help with. Requires work from eng. teamIndicates that the issues may be a good fit for community to help with. Requires work from eng. team

Pillar: Complete Blazor Web

Priority:0Work that we can't release withoutWork that we can't release without

severity-blockingThis label is used by an internal toolThis label is used by an internal tool

triaged

Status: Closed (completed).

Feature

#17866 In dotnet/aspnetcore;

· by TheXenocide was closed on Jun 12, 2025

[Identity] Save external tokens automatically on every login

affected-mostThis issue impacts most of the customersThis issue impacts most of the customers

area-identityIncludes: Identity and providersIncludes: Identity and providers

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

severity-minorThis label is used by an internal toolThis label is used by an internal tool

Status: Closed (completed).

Feature

#17737 In dotnet/aspnetcore;

· by javiercn was closed on Nov 14, 2024

[Blazor] Cascading RouteData in Layout causes OnInitializedAsync to be called twice when navigating to another Layout

affected-fewThis issue impacts only small number of customersThis issue impacts only small number of customers

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

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

feature-blazor-builtin-componentsFeatures related to the built in components we ship or could ship in the futureFeatures related to the built in components we ship or could ship in the future

Pillar: Technical Debt

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

severity-minorThis label is used by an internal toolThis label is used by an internal tool

Status: Closed (completed).

Bug

#20637 In dotnet/aspnetcore;

· by Charnock was closed on Dec 11, 2024

Add activities to Blazor Server for distributed tracing

affected-fewThis issue impacts only small number of customersThis issue impacts only small number of customers

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-server

feature-observability

Pillar: Dev Experience

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

severity-majorThis label is used by an internal toolThis label is used by an internal tool

triaged

Status: Closed (completed).

Feature

#29846 In dotnet/aspnetcore;

· by rynowak was closed on May 28, 2025

Developers can safely trim ASP.NET apps to reduce their deployment payloads

affected-allThis issue impacts all the customersThis issue impacts all the customers

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

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

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

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

linker-friendlinessTracking linker friendlinessTracking linker friendliness

Pillar: Complete Blazor Web

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

severity-majorThis label is used by an internal toolThis label is used by an internal tool

Theme: meeting developer expectations

Status: Closed (completed).

Feature

#27384 In dotnet/aspnetcore;

· by mkArtakMSFT was closed on Nov 4, 2024

Fully implement nullable support in Identity templates.

affected-fewThis issue impacts only small number of customersThis issue impacts only small number of customers

area-identityIncludes: Identity and providersIncludes: Identity and providers

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

severity-majorThis label is used by an internal toolThis label is used by an internal tool

Status: Closed (completed).

Feature

#25310 In dotnet/aspnetcore;

· by blowdart was closed on Nov 13, 2024

JSInterop support for invoking constructors, properties, and supplying callbacks

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-jsinteropThis issue is related to JSInterop in BlazorThis issue is related to JSInterop in Blazor

Pillar: Complete Blazor Web

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

Status: Closed (completed).

Feature

#31151 In dotnet/aspnetcore;

· by javiercn was closed on May 31, 2025

When using a querystring with Blazor apps the the default NavItem is not selected.

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

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

feature-blazor-builtin-componentsFeatures related to the built in components we ship or could ship in the futureFeatures related to the built in components we ship or could ship in the future

good first issueGood for newcomers.Good for newcomers.

help candidateIndicates that the issues may be a good fit for community to help with. Requires work from eng. teamIndicates that the issues may be a good fit for community to help with. Requires work from eng. team

Pillar: Technical Debt

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

Status: Closed (completed).

Bug

#31312 In dotnet/aspnetcore;

· by PaulSinnema was closed on Feb 10, 2025

QuickGrid: Add API to specify a custom class for <tr>.

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-quickgrid

Pillar: Dev Experience

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

triaged

Status: Closed (completed).

Feature

#45477 In dotnet/aspnetcore;

· by kuba-si was closed on Jan 16, 2025

Create simpler way to show Not Found 404 UI with Blazor

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-routingFeatures related to routing in Blazor applicationsFeatures related to routing in Blazor applications

Pillar: Complete Blazor Web

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

triaged

Status: Closed (completed).

Feature

#45654 In dotnet/aspnetcore;

· by Alerinos was closed on Mar 18, 2025

Investigate using Microsoft.DotNet.SharedFramework.Sdk

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

Status: Closed (completed).

#48013 In dotnet/aspnetcore;

· by wtgodbe was closed on Dec 6, 2024

DateOnly and TimeOnly is not supported in Blazor change detection for parameters

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

help candidateIndicates that the issues may be a good fit for community to help with. Requires work from eng. teamIndicates that the issues may be a good fit for community to help with. Requires work from eng. team

Perf

Pillar: Complete Blazor Web

Priority:3Work that is nice to haveWork that is nice to have

Status: Closed (completed).

#49021 In dotnet/aspnetcore;

· by Andrzej-W was closed on Oct 21, 2024

Using of CancellationToken in RemoteJSDataStream

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

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

help candidateIndicates that the issues may be a good fit for community to help with. Requires work from eng. teamIndicates that the issues may be a good fit for community to help with. Requires work from eng. team

Pillar: Technical Debt

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

Status: Closed (completed).

#50676 In dotnet/aspnetcore;

· by leeriorio was closed on Oct 23, 2024

Unable to publish while using Load on demand to publish the project

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

DocsThis issue tracks updating documentationThis issue tracks updating documentation

feature-blazor-lazy-loadingIssues related to adding support for lazy-loading in BlazorIssues related to adding support for lazy-loading in Blazor

Pillar: Technical Debt

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

Status: Closed (completed).

#46315 In dotnet/aspnetcore;

· by 239573049 was closed on Nov 14, 2024

Move service worker support to the Static Web Assets SDK from the Blazor Webassembly SDK

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-pwaIssues related to building PWAs with BlazorIssues related to building PWAs with Blazor

feature-razor-sdk

Pillar: Technical Debt

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

Status: Closed (completed).

#46999 In dotnet/aspnetcore;

· by javiercn was closed on Jun 2, 2024

Microsoft.AspNetCore.App.runtimeconfig.json specifies runtime properties which values should not bet set by a shared framework

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

Status: Closed (completed).

#49486 In dotnet/aspnetcore;

· by vitek-karas was closed on Dec 6, 2024

Support Blazor .Net 8 Microsoft.Identity.Web client for Azure clients

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

DocsThis issue tracks updating documentationThis issue tracks updating documentation

Status: Closed (completed).

#51374 In dotnet/aspnetcore;

· by damienbod was closed on Dec 11, 2024

[Blazor] Tutorial for Blazor web that introduces the main framework features without going in depth

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

DocsThis issue tracks updating documentationThis issue tracks updating documentation

triaged

Status: Closed (completed).

Task

#51570 In dotnet/aspnetcore;

· by javiercn was closed on Dec 10, 2024

[Blazor] Streaming rendering doc

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

DocsThis issue tracks updating documentationThis issue tracks updating documentation

feature-blazor-streaming-rendering

Status: Closed (completed).

#51572 In dotnet/aspnetcore;

· by javiercn was closed on Nov 14, 2024

MinimalApi MapMethods with muti methods use WithOpenApi() throw Error!

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: Closed (completed).

#50965 In dotnet/aspnetcore;

· by vipwan was closed on Jul 18, 2025

FocusOnNavigate does not work (dotnet8 - BlazorWebApp)

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

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

feature-templates

Pillar: Complete Blazor Web

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

Status: Closed (completed).

#52412 In dotnet/aspnetcore;

· by ZANZAAA was closed on Aug 8, 2024

Root component can't do streaming SSR

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

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

feature-blazor-streaming-rendering

Pillar: Complete Blazor Web

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

Status: Closed (completed).

Bug

#51956 In dotnet/aspnetcore;

· by SteveSandersonMS was closed on Jan 21, 2025

[Blazor] AddInteractiveWebAssemblyComponents() should register LazyAssemblyLoader or a similar type.

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

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

feature-blazor-lazy-loadingIssues related to adding support for lazy-loading in BlazorIssues related to adding support for lazy-loading in Blazor

Pillar: Complete Blazor Web

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

Status: Closed (completed).

Bug

#51966 In dotnet/aspnetcore;

· by javiercn was closed on May 7, 2025

Add Metrics for Blazor

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-server

feature-observability

Priority:1Work that is critical for the release, but we could probably ship withoutWork that is critical for the release, but we could probably ship without

triaged

Status: Closed (completed).

Feature

#53613 In dotnet/aspnetcore;

· by danroth27 was closed on May 28, 2025