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Rick-Anderson merged 5 commits into from
Nov 5, 2022
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What's new defaut scheme #27506

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What's new defaut scheme
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What's new defaut scheme
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What's new defaut scheme
Rick-Anderson Nov 5, 2022
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What's new defaut scheme
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4 changes: 4 additions & 0 deletions aspnetcore/release-notes/aspnetcore-7.0.md
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Expand Up @@ -15,6 +15,10 @@ This article highlights the most significant changes in ASP.NET Core 7.0 with li

The `Microsoft.AspNetCore.RateLimiting` middleware provides rate limiting middleware. Apps configure rate limiting policies and then attach the policies to endpoints. For more information, see <xref:performance/rate-limit?view=aspnetcore-7.0&preserve-view=true>.

## Authentication uses single scheme as DefaultScheme

As part of the work to simplify authentication, when there's only a single authentication scheme registered, it's automatically used as the <xref:Microsoft.AspNetCore.Authentication.AuthenticationOptions.DefaultScheme> and doesn't need to be specified. For more information, see [DefaultScheme](xref:security/authentication/index#defaultscheme).

## MVC and Razor pages

### Support for nullable models in MVC views and Razor Pages
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4 changes: 2 additions & 2 deletions aspnetcore/security/authentication/index.md
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Expand Up @@ -59,8 +59,8 @@ When there is only a single authentication scheme registered, it becomes the def

When there is only a single authentication scheme registered, the single authentication scheme:

* Is automatically used as the `DefaultScheme`.
* Eliminates the need to specify the `DefaultScheme` in `AddAuthentication` or <xref:Microsoft.Extensions.DependencyInjection.AuthenticationCoreServiceCollectionExtensions.AddAuthenticationCore(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Action{Microsoft.AspNetCore.Authentication.AuthenticationOptions})>.
* Is automatically used as the <xref:Microsoft.AspNetCore.Authentication.AuthenticationOptions.DefaultScheme>.
* Eliminates the need to specify the `DefaultScheme` in <xref:Microsoft.Extensions.DependencyInjection.AuthenticationServiceCollectionExtensions.AddAuthentication(Microsoft.Extensions.DependencyInjection.IServiceCollection)> or <xref:Microsoft.Extensions.DependencyInjection.AuthenticationCoreServiceCollectionExtensions.AddAuthenticationCore(Microsoft.Extensions.DependencyInjection.IServiceCollection)>.

To disable automatically using the single authentication scheme as the `DefaultScheme`, call `AppContext.SetSwitch("Microsoft.AspNetCore.Authentication.SuppressAutoDefaultScheme")`.

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