Update monikers for .NET 6 (dotnet#27140)

api/index.md

@@ -3,13 +3,15 @@ description: "Learn more about: .NET API browser"
 layout: ApiBrowserPage
 hide_bc: true
 title: .NET API browser
-quickFilterColumn1: net-5.0,netcore-3.1,netstandard-2.1,netframework-4.8
-quickFilterColumn2: xamarin-forms,aspnetcore-3.1,efcore-3.1,roslyn-dotnet
+quickFilterColumn1: net-6.0,netframework-4.8,netstandard-2.1
+quickFilterColumn2: aspnetcore-6.0,efcore-5.0,xamarin-forms
 quickFilterColumn3: azure-dotnet,ml-dotnet,spark-dotnet
 ms.topic: landing-page
 ms.custom: "updateeachrelease"
-ms.date: "01/24/2020"
+ms.date: 11/17/2021
 ---
 # .NET API browser
 
-Welcome to the .NET API browser – your one-stop shop for all .NET-based APIs from Microsoft. Start searching for any managed APIs by typing in the box below. You can learn more about the API browser [in our blog post](/teamblog/announcing-unified-dotnet-experience-on-docs). If you have any feedback, create a new issue in the [MicrosoftDocs/feedback repository on GitHub](https://github.com/MicrosoftDocs/feedback/issues).
+Welcome to the .NET API browser – your one-stop shop for all .NET-based APIs from Microsoft. Start searching for any managed APIs by typing in the box below.
+
+You can learn more about the API browser [in our blog post](/teamblog/announcing-unified-dotnet-experience-on-docs). If you have any feedback, create a new issue in the [MicrosoftDocs/feedback repository on GitHub](https://github.com/MicrosoftDocs/feedback/issues).