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Consider adding Progressive Web App (PWA) option to the Blazor Web App template

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-templates

on-roadmapListed on the current release roadmapListed on the current release roadmap

Pillar: New Blazor

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: Open.

Feature

#48935 In dotnet/aspnetcore;

· danroth27 opened on Jun 21, 2023

Blazor: bind-value-oninput or bind does not work with contenteditable divs

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-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)

feature-razor.language

help wantedUp for grabs. We would accept a PR to help resolve this issueUp for grabs. We would accept a PR to help resolve this issue

on-roadmapListed on the current release roadmapListed on the current release roadmap

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-nice-to-haveThis label is used by an internal toolThis label is used by an internal tool

Status: Open.

Feature

#9974 In dotnet/aspnetcore;

· PirasannaRavi opened on May 4, 2019

Minimal APIs (RDG): Source-generated support for union types

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

feature-request

Status: Open.

#66543 In dotnet/aspnetcore;

· DeagleGross opened on Apr 30, 2026

Minimal APIs (RDF): Support union types as endpoint parameters and return types

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

feature-request

Status: Open.

#66542 In dotnet/aspnetcore;

· DeagleGross opened on Apr 30, 2026

Add annotation for rendering of the RenderFragments in the case of serialization

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

feature-request

Status: Open.

Feature

#66739 In dotnet/aspnetcore;

· dariatiurina opened on May 19, 2026

Fix TempData and SupplyParameterFromSession to support 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.

Status: Open.

Bug

#66745 In dotnet/aspnetcore;

· dariatiurina opened on May 19, 2026

*Breaking change* ASP.NET Core Components telemetry requires System.Diagnostics.Metrics.Meter.IsSupported in .NET 11 preview

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

Status: Open.

#66822 In dotnet/aspnetcore;

· Kielek opened on May 25, 2026

Add better warnings and errors for Sections

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

Status: Open.

Feature

#66831 In dotnet/aspnetcore;

· dariatiurina opened on May 25, 2026

Fix TempData and SupplyParameterFromSession persistence for streaming SSR case

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

Status: Open (in progress).

dotnet/aspnetcorenumber 66832

#66832 In dotnet/aspnetcore;

· dariatiurina opened on May 25, 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

Add InitialIndex parameter and ScrollToIndexAsync API to Virtualize<TItem>

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

Status: Open (in progress).

dotnet/aspnetcorenumber 66753

#66753 In dotnet/aspnetcore;

· ilonatommy opened on May 20, 2026

Add a Blazor Cache component

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

on-roadmapListed on the current release roadmapListed on the current release roadmap

Status: Open.

Feature

#55520 In dotnet/aspnetcore;

· danroth27 opened on May 3, 2024

Automatically pause circuit on inactivity

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

on-roadmapListed on the current release roadmapListed on the current release roadmap

Status: Open.

#64886 In dotnet/aspnetcore;

· javiercn opened on Dec 29, 2025

Api proposal for Circuit.RequestCircuitPauseAsync

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

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

Status: Open.

#66798 In dotnet/aspnetcore;

· ilonatommy opened on May 22, 2026

An error dialog The server process is no longer running pop ups when running the 11.0 Blazor WebAssembly Standalone App

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

Status: Open.

Bug

#66836 In dotnet/aspnetcore;

· jinzhao1127 opened on May 26, 2026

Blazor Virtualize requires inline styles, preventing strict CSP enforcement

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.

#66840 In dotnet/aspnetcore;

· vsfeedback opened on May 26, 2026

Standalone Blazor WebAssembly app log output is very verbose on .NET 11 Preview 5

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

Regression

Status: Open.

Bug

#66879 In dotnet/aspnetcore;

· danroth27 opened on May 28, 2026

Rename blazor-wasm-servicedefaults template shortName to blazorwasm-servicedefaults and ship with Blazor icon

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

feature-templates

Status: Open.

Bug

#66882 In dotnet/aspnetcore;

· danroth27 opened on May 28, 2026