Issues

• [Blazor] DisplayName/Label: ExpressionMemberAccessor caches every accessor expression instance (memory leak on Blazor Server)

  area-blazor
  Bug

  dotnet/aspnetcore#70031 · Filter by author pavolmaly66-alt opened on Oct 24, 2026
  1

  

• [API Proposal] Capture pending JSRuntime calls for deferred failure

  api-proposalapi-suggestionarea-blazor
  Feature

  dotnet/aspnetcore#70030 · Filter by author imsouvik opened on Oct 24, 2026
  1

• RedisOutputCacheStore force reconnect can release the current connection instead of the failed one

  area-middleware
  Bug

  dotnet/aspnetcore#70029 · Filter by author GrantTotinov opened on Oct 24, 2026
  1

• Kestrel can deadlock registering a certificate file watch (CertificatePathWatcher._metadataLock vs CompositeChangeToken._callbackLock)

  area-networking
  Bug

  dotnet/aspnetcore#70027 · Filter by author BrianWhy opened on Oct 23, 2026
  1

• Streaming SSR: NavigateTo writes the redirection into the middle of the page after the response has started (OnNavigateTo bypasses the response's buffered writer)

  area-blazor
  Bug

  dotnet/aspnetcore#70023 · Filter by author jeagleton opened on Oct 23, 2026
  1

• Microsoft Visual Studio Failed to launch debug adapter "Unable to launch browser"

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70016 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Visual Studio fails to launch browser for ASP.NET Core Blazor apps

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70015 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Visual Studio Insiders blocks ASP.NET builds on unmatched scoped CSS endpoints

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70014 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Blazor Editor Warns that App Needs Restarting When Run Without Debugging and No Longer Running

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70013 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  1

• Visual Studio Browse With compiles Blazor project but shows no dialog

  area-blazorAuthor: Migration Bot 🤖External
  Bug

  dotnet/aspnetcore#70012 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Visual Studio: Blazor Recognition and Suggestions Generate Errors

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70011 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Blazor .NET 10: Button @onclick Does Not Invoke the Handler Method

  area-blazorAuthor: Migration Bot 🤖question
  dotnet/aspnetcore#70010 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Azure Maps 4 getMapContainer method fails in Blazor JSInterop

  area-blazorAuthor: Migration Bot 🤖question
  dotnet/aspnetcore#70009 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• PSA — Syncfusion Blazor 34.2.9+ silently sends Application Insights telemetry from Blazor WASM apps. Initially looks like a Blazor Framework Issue.

  area-blazorAuthor: Migration Bot 🤖External
  dotnet/aspnetcore#70008 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

  

• Blazor debugger fails to hit breakpoints in all browsers

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70006 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  1

• Blazor WASM debug fails SRI checks with stale staticwebassets.build.json

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70005 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Blazor Server host process terminates (exit code 0xFFFFFFFF) on file <input> selection — only when launched via F5 debug

  area-blazorAuthor: Migration Bot 🤖
  Bug

  dotnet/aspnetcore#70004 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  2

• Blazor Web App WASM debug startup hits MONO debugger-agent assertion

  area-blazorAuthor: Migration Bot 🤖
  dotnet/aspnetcore#70003 · Filter by author vsfeedback opened on Oct 23, 2026 · Backlog
  1

• Quarantine Microsoft.AspNetCore.Components.E2ETest.Tests.TempDataSessionStorageTest.TempDataPersistWithoutAccessing

  test-failure
  dotnet/aspnetcore#69996 · Filter by author github-actions opened on Oct 23, 2026 · .NET 12 Planning
  1

  

• How Components.Platform should represent Web IDL enums

  area-blazordesign-proposal
  Feature

  dotnet/aspnetcore#69991 · Filter by author jsakamotoIGJP opened on Oct 23, 2026
  1

• Design Proposal: Analyzer for Forms Incompatible with Enhanced Navigation

  area-blazordesign-proposal
  Feature

  dotnet/aspnetcore#69988 · Filter by author vendasankarsf3945 opened on Oct 23, 2026
  1

• Components.Platform typed browser APIs for Blazor

  area-blazorfeature-blazor-jsinterop
  Epic

  dotnet/aspnetcore#69987 · Filter by author jsakamotoIGJP opened on Oct 23, 2026 · .NET 12 Planning

• HostString.ToUriComponent does not add brackets to unbracketed IPv6 addresses

  area-networkingbug
  Bug

  dotnet/aspnetcore#69984 · Filter by author austinaviv opened on Oct 23, 2026
  1

• Script and Link Tag Helper globbing cache reuses URLs across different request base paths

  area-ui-renderingbug
  Bug

  dotnet/aspnetcore#69975 · Filter by author hoyosjs opened on Oct 22, 2026
  1

• ASP0022 false positive for Map beside MapGet on the same route pattern

  area-minimalbug
  Bug

  dotnet/aspnetcore#69972 · Filter by author glen-84 opened on Oct 22, 2026
  2