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PersistentState Attribute Enhancements - Better configuration with System.Text.Json, Handling Cyclic references

✔️ Resolution: AnsweredResolved because the question asked by the original author has been answered.Resolved because the question asked by the original author has been answered.

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

feature-request

question

Status: Resolved

Status: Open.

#66769 In dotnet/aspnetcore;

· htmlsplash opened on May 20, 2026

Perf regression: antiforgery-generation

area-perfPerformance infrastructure issuesPerformance infrastructure issues

perf-regression

Status: Open.

#66764 In dotnet/aspnetcore;

· pr-benchmarks opened on May 20, 2026

Perf improvement: json

area-perfPerformance infrastructure issuesPerformance infrastructure issues

perf-improvement

Status: Open.

#66763 In dotnet/aspnetcore;

· pr-benchmarks opened on May 20, 2026

Multiple ASP.NET Core-related test projects hang on .NET 11 Preview 4 linux-arm64

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

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

Status: Open.

#66760 In dotnet/aspnetcore;

· gimlichael opened on May 20, 2026

Publish guidance around IPasskeyHandler and validating integrity and ownership

area-identityIncludes: Identity and providersIncludes: Identity and providers

DocsThis issue tracks updating documentationThis issue tracks updating documentation

Status: Open.

#66750 In dotnet/aspnetcore;

· cincuranet opened on May 20, 2026

Blazor download size improvement: blazorwasmbenchmark

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

Perf

perf-regression

Status: Open.

#66749 In dotnet/aspnetcore;

· pr-benchmarks opened on May 20, 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

·  

11.0-preview6

Publish guidance of how (not) to use SetIsOriginAllowed(_ => true) (CORS)

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

DocsThis issue tracks updating documentationThis issue tracks updating documentation

feature-corsThis issue is related to CORSThis issue is related to CORS

Status: Open.

#66740 In dotnet/aspnetcore;

· cincuranet opened on May 19, 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

·  

11.0-preview6

Failed to log in with passkey for Blazor Web Individual app after installing .NET 11.0 preview 5 SDK

area-identityIncludes: Identity and providersIncludes: Identity and providers

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

Status: Open.

#66732 In dotnet/aspnetcore;

· jinzhao1127 opened on May 19, 2026

Expose some internal Blazor APIs to allow customization for form and querystring deserialization

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

Status: Open.

#66731 In dotnet/aspnetcore;

· neoGeneva opened on May 19, 2026

·  

Backlog

Perf regression: mvc

area-perfPerformance infrastructure issuesPerformance infrastructure issues

perf-regression

Status: Open.

#66730 In dotnet/aspnetcore;

· pr-benchmarks opened on May 18, 2026