October 2026

Issues

• Fix the CA1864 title to reference Dictionary.TryAdd

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56327·AsadIqbal-Dev opened Oct 6, 2026 · Updated Oct 6, 2026

• Document application identity for native apphost

  dotnet-fundamentals/svc
  Unread
  dotnet/docs#56353·hoyosjs opened Oct 9, 2026 · Updated Oct 13, 2026
  7

• Add WinZip Aes Hmac details

  dotnet-fundamentals/svc
  Unread
  dotnet/docs#56359·alinpahontu2912 opened Oct 12, 2026 · Updated Oct 16, 2026
  3

• Upgrade resource monitoring sample from .NET 9 to .NET 10

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56393·ShyneChikwapulo opened Oct 13, 2026 · Updated Oct 13, 2026
  3

• Document F# 11 features and update the language reference

  dotnet-fsharp/svcokr-quality
  Unread
  dotnet/docs#56413·T-Gro opened Oct 16, 2026 · Updated Oct 16, 2026
  10

• Document when warning CA2256 may be suppressed.

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56423·teo-tsirpanis opened Oct 18, 2026 · Updated Oct 18, 2026
  1

• Bump Microsoft.Orleans.BroadcastChannel in /docs/orleans/streaming/snippets/broadcastchannel

  community-contributiondependencies.NET
  Unread
  dotnet/docs#56447·dependabot[bot] opened Oct 19, 2026 · Updated Oct 19, 2026

• Bump Microsoft.Orleans.Client across 2 directories

  community-contributiondependencies.NET
  Unread
  dotnet/docs#56453·dependabot[bot] opened Oct 19, 2026 · Updated Oct 19, 2026

• Update C# 15 content to match RC 2 status

  advanced-concepts/subsvccsharp-diagnostics/subsvcdotnet-csharp/svclang-reference/subsvcwhats-new/subsvc
  Unread
  dotnet/docs#56457·BillWagner opened Oct 19, 2026 · Updated Oct 20, 2026
  1

• docs: migrate the Dataflow database walkthrough to Microsoft.Data.SqlClient

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56458·dlevy-msft-sql opened Oct 19, 2026 · Updated Oct 20, 2026·Draft
  1

• docs: update adjacent SQL client recommendations

  community-contributiondotnet-architecture/svcdotnet-csharp/svcdotnet-fundamentals/svcdotnet-ml/svcfundamentals/subsvcmicroservices/subsvc
  Unread
  dotnet/docs#56459·dlevy-msft-sql opened Oct 19, 2026 · Updated Oct 20, 2026·Draft
  1

• docs: migrate transaction and Workflow queries to Microsoft.Data.SqlClient

  community-contributiondotnet-framework/svcwf/subsvc
  Unread
  dotnet/docs#56460·dlevy-msft-sql opened Oct 19, 2026 · Updated Oct 20, 2026·Draft
  1

• docs: migrate ADO.NET connections and factories to Microsoft.Data.SqlClient

  community-contributiondata-access/subsvcdotnet-framework/svc
  Unread
  dotnet/docs#56461·dlevy-msft-sql opened Oct 19, 2026 · Updated Oct 20, 2026
  11

• docs: migrate SQL Server feature guidance to Microsoft.Data.SqlClient

  community-contributiondata-access/subsvcdotnet-framework/svc
  Unread
  dotnet/docs#56462·dlevy-msft-sql opened Oct 19, 2026 · Updated Oct 20, 2026·Draft
  1

• docs: migrate ADO.NET queries and DataSets to Microsoft.Data.SqlClient

  community-contributiondata-access/subsvcdotnet-framework/svc
  Unread
  dotnet/docs#56463·dlevy-msft-sql opened Oct 19, 2026 · Updated Oct 20, 2026·Draft
  3

• docs: clarify required legacy SqlClient examples

  community-contributiondata-access/subsvcdotnet-framework/svc
  Unread
  dotnet/docs#56464·dlevy-msft-sql opened Oct 20, 2026 · Updated Oct 20, 2026·Draft
  2

• Fix typo in WebSocket Keep-Alive strategies documentation

  community-contributiondotnet-fundamentals/svcdotnet-networking/subsvc
  Unread
  dotnet/docs#56469·SkyDevLab opened Oct 20, 2026 · Updated Oct 20, 2026

• Document breaking change: Empty strings in chained configuration now override earlier providers

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56472·SkyDevLab opened Oct 20, 2026 · Updated Oct 20, 2026

• Document breaking change: .NET SDK skips full build for Native AOT publish

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56473·SkyDevLab opened Oct 20, 2026 · Updated Oct 20, 2026

• Document breaking change: Generated WMI wrappers implement IDisposable

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56474·SkyDevLab opened Oct 20, 2026 · Updated Oct 20, 2026

• Document managed NTLM configuration and security guidance

  dotnet-framework/svcdotnet-fundamentals/svcdotnet-networking/subsvc
  Unread
  dotnet/docs#56486·svick opened Oct 20, 2026 · Updated Oct 20, 2026
  1

• Small fix

  dotnet-csharp/svcfundamentals/subsvc
  Unread
  dotnet/docs#56488·BillWagner opened Oct 20, 2026 · Updated Oct 20, 2026
  1

• Fix typos in OpenTelemetry sample comments

  community-contributiondotnet-fundamentals/svc
  Unread
  dotnet/docs#56489·SkyDevLab opened Oct 20, 2026 · Updated Oct 20, 2026

• Fix method syntax on ICorDebugThread4::HadUnhandledException page

  community-contributiondotnet-fundamentals/svcokr-quality
  Unread
  dotnet/docs#56491·SkyDevLab opened Oct 20, 2026 · Updated Oct 20, 2026

• Inline mutually recursive functions snippet

  community-contributiondotnet-fsharp/svc
  Unread
  dotnet/docs#56490·SkyDevLab opened Oct 20, 2026 · Updated Oct 20, 2026