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Authentication cookies are not flowing from blazor web assembly to signalr

Status: Open.

#65974 In dotnet/aspnetcore;

· LucasSavassa opened on Mar 25, 2026

Quarantine ServerVirtualizationTest flaky tests (CanRenderHtmlTable and CanElevateEffectiveMaxItemCount_WhenOverscanExceedsMax)

test-failure

Status: Open.

#65962 In dotnet/aspnetcore;

· github-actions opened on Mar 25, 2026

Quarantine ServerRoutingTest.NavigationLock_OverlappingNavigationsCancelExistingNavigations_HistoryNavigation

test-failure

Status: Open.

#65961 In dotnet/aspnetcore;

· github-actions opened on Mar 25, 2026

Perf regression: fortunes_ef, fortunes_ef

area-perfPerformance infrastructure issuesPerformance infrastructure issues

perf-regression

Status: Open.

#65960 In dotnet/aspnetcore;

· pr-benchmarks opened on Mar 25, 2026

Perf improvement: tls-handshakes-kestrel

area-perfPerformance infrastructure issuesPerformance infrastructure issues

perf-regression

Status: Open.

#65959 In dotnet/aspnetcore;

· pr-benchmarks opened on Mar 25, 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

MapStaticAssets causes HTTP error 405 on POSTs with UseWhen

Status: Open.

#65940 In dotnet/aspnetcore;

· ecosFWinkel opened on Mar 24, 2026

Virtualize: visible content shifts when in-DOM items above the viewport change height

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

Status: Open.

#65939 In dotnet/aspnetcore;

· ilonatommy opened on Mar 24, 2026

·  

.NET 11 Planning

Perf improvement: json, json

area-perfPerformance infrastructure issuesPerformance infrastructure issues

perf-regression

Status: Open.

#65938 In dotnet/aspnetcore;

· pr-benchmarks opened on Mar 24, 2026

.NET Web Worker template cleanup

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

feature-request

Status: Open.

#65937 In dotnet/aspnetcore;

· danroth27 opened on Mar 24, 2026

Blazor WASM: SDK 9.0.312 regression – app fails at startup (mono_wasm_load_runtime) vs 9.0.311

NativeAOT

Status: Open.

#65935 In dotnet/aspnetcore;

· elliottp6 opened on Mar 24, 2026

Razor view outputs value instead of the Nullable<bool> value in a form element.

Status: Open.

#65933 In dotnet/aspnetcore;

· eric-miller-cdfw opened on Mar 23, 2026