Issues

Issues

• [API Proposal] Add the online and offline events to the typed browser platform APIs for Blazor

  Feature

  dotnet/aspnetcore#70529 · opened on Nov 12, 2026

• Move source-build container to Azure Linux 4 after Arcade trailing-backslash fix

  Task

  dotnet/aspnetcore#70524 · opened on Nov 12, 2026
  1

• Harden JS unit-test failure enforcement in Npm.Workspace.nodeproj and AzDO JUnit publishing

  dotnet/aspnetcore#70517 · opened on Nov 11, 2026
  1

• [OpenTelemetry] Hosting replaces an Activity.DisplayName that the app set, when a route matches

  Bug

  dotnet/aspnetcore#70516 · opened on Nov 11, 2026
  1

• AccessViolationException crashes w3wp on .NET 11 with IIS in-process hosting (SignalR hub invocation reads local endpoint in IISHttpContext.InitializeLocalEndpoint)

  Bug

  dotnet/aspnetcore#70515 · opened on Nov 11, 2026
  3

• Blazor Interop with Typescript

  Feature

  dotnet/aspnetcore#70514 · opened on Nov 11, 2026
  1

• Blazor browser options are ignored or applied incorrectly

  Bug

  dotnet/aspnetcore#70510 · opened on Nov 11, 2026
  1

• Query-component validation (#68320) not backported to release/10.0: HTTP/2 :path query with SP/HTAB/CTL still accepted on .NET 10 LTS

  Task

  dotnet/aspnetcore#70508 · opened on Nov 11, 2026

• OutputCache with locking should ensure the response is fully written in memory first

  Bug

  dotnet/aspnetcore#70506 · opened on Nov 11, 2026
  1

• missing Microsoft.AspNetCore.Razor.Runtime.xml in aspnetcore build

  dotnet/aspnetcore#70507 · opened on Nov 11, 2026
  1

• Apache RewriteCond negation is incorrectly applied to string and integer comparisons

  Bug

  dotnet/aspnetcore#70505 · opened on Nov 11, 2026
  1

• Inserting a MarkupString with many top-level nodes is quadratic since .NET 11 (insertLogicalChild orphan scan)

  Bug

  dotnet/aspnetcore#70503 · opened on Nov 11, 2026
  1

• Investigate SSR/interactive inconsistencies in table structure and select defaults

  dotnet/aspnetcore#70498 · opened on Nov 11, 2026 · Backlog
  1

• Open redirect fix #66961 not backported to release/10.0: scheme-relative Location still emitted on .NET 10 LTS

  Bug

  dotnet/aspnetcore#70493 · opened on Nov 11, 2026 · 10.0.x
  3

• BL0014 analyser (ForLoopIteratorInClosureAnalyzer) throws NullReferenceException (AD0001) when an array value is passed to an attribute after a @for loop

  Bug

  dotnet/aspnetcore#70492 · opened on Nov 11, 2026
  1

• [release/11.0] Quarantine server window-scroll true/true row: initial item is missing

  dotnet/aspnetcore#70462 · opened on Nov 10, 2026
  1

• Two MapRazorComponents roots map the framework's internal endpoints twice: AmbiguousMatchException on hot-reload-settings.json (.NET 11) and opaque-redirect

  Bug

  dotnet/aspnetcore#70461 · opened on Nov 10, 2026
  1

• Minimal APIs: a C# union of IResult cases is serialized as JSON with 200 instead of executing the active case

  Bug

  dotnet/aspnetcore#70454 · opened on Nov 10, 2026 · .NET 12 Planning
  1

• Microsoft.Extensions.ApiDescription.Server version 10.0.15 throws TypeInitializationException on build

  Bug

  dotnet/aspnetcore#70439 · opened on Nov 10, 2026
  2

• [API Proposal] Span-based formatting for ContentDispositionHeaderValue

  Feature

  dotnet/aspnetcore#70435 · opened on Nov 10, 2026
  1

• Introduce generated discovery and application composition for Blazor

  Feature

  dotnet/aspnetcore#70434 · opened on Nov 10, 2026 · .NET 12 Planning
  2

• Make Blazor component descriptor serialization Native AOT and trimming compatible

  Feature

  dotnet/aspnetcore#70432 · opened on Nov 10, 2026 · .NET 12 Planning
  1

• Integrate persistent component state with the Blazor serialization contract

  Feature

  dotnet/aspnetcore#70431 · opened on Nov 10, 2026 · .NET 12 Planning
  1

• Make Blazor session value serialization Native AOT and trimming compatible

  dotnet/aspnetcore#70430 · opened on Nov 10, 2026 · .NET 12 Planning
  1

• Make Blazor TempData value serialization Native AOT and trimming compatible

  dotnet/aspnetcore#70428 · opened on Nov 10, 2026 · .NET 12 Planning
  1