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ASP0023 Ambiguous route warning when targeting .NET 8 and using token [action] or [controller] in [Http*] or [Route] attributes

area-mvcIncludes: MVC, Actions and Controllers, Localization, CORS, most templatesIncludes: MVC, Actions and Controllers, Localization, CORS, most templates

Status: Closed (completed).

#49777 In dotnet/aspnetcore;

· by Alien21 was closed on Jan 25, 2024

.NET 8 preview7 Blazor WASM AAD authentication ends with There was an error trying to log you in: '"undefined" is not valid JSON'

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-wasmThis issue is related to and / or impacts Blazor WebAssemblyThis issue is related to and / or impacts Blazor WebAssembly

Pillar: Technical Debt

Status: Closed (completed).

#49956 In dotnet/aspnetcore;

· by haslingerm was closed on Mar 20, 2024

Hot Reload Support For Blazor

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

feature-hot-reloadThis issue is related to the Hot Reload feaatureThis issue is related to the Hot Reload feaature

Needs: Attention 👋This issue needs the attention of a contributor, typically because the OP has provided an update.This issue needs the attention of a contributor, typically because the OP has provided an update.

Needs: ReproIndicates that the team needs a repro project to continue the investigation on this issueIndicates that the team needs a repro project to continue the investigation on this issue

Status: Closed (completed).

#51211 In dotnet/aspnetcore;

· by wisamidris7 was closed on Oct 19, 2023

System.InvalidOperationException: Error: No element is currently associated with component 0

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

Status: Closed (completed).

#51393 In dotnet/aspnetcore;

· by XorZy was closed on Nov 21, 2023

QuickGrid API docs missing

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

DocsThis issue tracks updating documentationThis issue tracks updating documentation

feature-blazor-quickgrid

Status: Closed (completed).

#52466 In dotnet/aspnetcore;

· by guardrex was closed on Feb 28, 2024

Regression, Blazor WASM OIDC login callback to not sent to the requested page when published

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-wasm-auth

Pillar: Technical Debt

Status: Closed (completed).

#51870 In dotnet/aspnetcore;

· by aguacongas was closed on Feb 28, 2024

Blazor Inputs can't bind to variables that start with ÅÄÖ when upgrading to .net 8

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.

Status: Closed (completed).

#53891 In dotnet/aspnetcore;

· by poserdonut was closed on Feb 9, 2024

Blazor Server page crashing after reconnect with multiple clients

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-server

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: Closed (completed).

#53730 In dotnet/aspnetcore;

· by heckradr was closed on Mar 26, 2024

Nested Editor<T> crashing because of bug in HtmlFieldPrefix.Combine method

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.

Status: Closed (completed).

Bug

#53956 In dotnet/aspnetcore;

· by sal-versij was closed on Jan 28, 2025

Blazor: Let browser handle hash change

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

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

Status: Closed (completed).

#52583 In dotnet/aspnetcore;

· by davhdavh was closed on Jan 19, 2024

RequestDelegateGenerator generate incorrect code if use with fully specify typed Results

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

feature-rdg

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: Closed (completed).

#52989 In dotnet/aspnetcore;

· by NotAsea was closed on Jan 4, 2024

NavigationManager.NavigateToLogout() stuck on authentication/logout-callback after upgrade to dotnet 8

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

Status: Closed (completed).

#53131 In dotnet/aspnetcore;

· by yuominae was closed on Mar 20, 2024

[Blazor] <code>@key</code> is not respected for interactive WebAssembly components after publish

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-trimming

Pillar: Complete Blazor Web

Status: Closed (completed).

#53289 In dotnet/aspnetcore;

· by MackinnonBuck was closed on Feb 13, 2024

Updating Microsoft.AspNetCore.Components.WebAssembly from 8.0.5 to 8.0.6 breaks Blazor Webassembly application

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.

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

Status: Closed (completed).

Bug

#56119 In dotnet/aspnetcore;

· by vsfeedback was closed on Aug 4, 2025

Blazor 8 issue hot reload (AutoRender / Global)

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

feature-hot-reloadThis issue is related to the Hot Reload feaatureThis issue is related to the Hot Reload feaature

investigate

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.

triaged

Status: Closed (completed).

#52706 In dotnet/aspnetcore;

· by hgirma was closed on Jan 30, 2024

Corrupted Padding Bits Brotli Decode Blazor Azure Static Web App

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

ExternalThis is an issue in a component not contained in this repository. It is open for tracking purposes.This is an issue in a component not contained in this repository. It is open for tracking purposes.

Status: Closed (completed).

#52735 In dotnet/aspnetcore;

· by SeanLeitzinger was closed on Jan 3, 2024

Creating a Blazor project with a space in its name breaks the styling

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: Technical Debt

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

Status: Closed (completed).

Bug

#52196 In dotnet/aspnetcore;

· by danroth27 was closed on Jul 11, 2025

Blazor web app (dotnet 8): data-enhance-nav="false" is not working when tag &lt;a/&gt; is wrapping some &lt;svg/&gt;

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.

Status: Closed (completed).

#52205 In dotnet/aspnetcore;

· by megafetis was closed on Feb 26, 2024

Blazor WebAssembly dotnet watch run --pathbase=/ doesn't work in .NET 8

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

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

feature-hot-reloadThis issue is related to the Hot Reload feaatureThis issue is related to the Hot Reload feaature

triaged

Status: Closed (completed).

#52294 In dotnet/aspnetcore;

· by MaciekWin3 was closed on Apr 2, 2024

Regression: ExtraQueryParams not sent when published

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

Status: Closed (completed).

#53409 In dotnet/aspnetcore;

· by paulguz-datapa was closed on Mar 13, 2024

Exception when navigating between Blazor pages with a [SupplyParameterFromQuery] of the same name but different 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.

Status: Closed (completed).

#52483 In dotnet/aspnetcore;

· by MatElcome was closed on Jan 19, 2024

WPF - Blazor hybrid - staticwebassets.runtime.json content root path problem

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

ExternalThis is an issue in a component not contained in this repository. It is open for tracking purposes.This is an issue in a component not contained in this repository. It is open for tracking purposes.

Needs: Attention 👋This issue needs the attention of a contributor, typically because the OP has provided an update.This issue needs the attention of a contributor, typically because the OP has provided an update.

Status: Not planned (skipped).

#52771 In dotnet/aspnetcore;

· by gdar91 was closed on Feb 22, 2024

Render Mode Auto Interactive does not wait for next access of a component before swapping to WASM

✔️ Resolution: DuplicateResolved as a duplicate of another issueResolved as a duplicate of another issue

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

investigate

Status: Resolved

Status: Not planned (skipped).

#52899 In dotnet/aspnetcore;

· by CaveRock was closed on Jan 11, 2024

CS9270 'InterceptsLocationAttribute(string, int, int)' is not supported when using net8.0 Request Delegate Generator

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

feature-rdg

Status: Not planned (skipped).

Bug

#59735 In dotnet/aspnetcore;

· by eerhardt was closed on Jan 7, 2025

MSAL : Azure B2C Blazor wasm fails after 24 hours when the refresh token has been expired

✔️ Resolution: DuplicateResolved as a duplicate of another issueResolved as a duplicate of another issue

area-authIncludes: Authn, Authz, OAuth, OIDC, BearerIncludes: Authn, Authz, OAuth, OIDC, Bearer

feature-blazor-msalThis issue is related to MSAL usage in BlazorThis issue is related to MSAL usage in Blazor

Status: Resolved

Status: Closed (completed).

#48506 In dotnet/aspnetcore;

· by kiranchandran was closed on Jun 26, 2024