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[RC2] Keep WebViews current (#25670) 

* [RC2] Keep WebViews current

* Updates
pull/25782/head
Luke Latham 2022-05-05 11:42:24 -05:00 committed by GitHub
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18
aspnetcore/blazor/hybrid/security/index.md
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@ -5,7 +5,7 @@ description: Learn about Blazor Hybrid authentication and authorization scenario
monikerRange: '>= aspnetcore-6.0'
ms.author: riande
ms.custom: mvc
ms.date: 04/07/2022
ms.date: 04/19/2022
no-loc: [".NET MAUI", "Mac Catalyst", "Blazor Hybrid", Home, Privacy, Kestrel, appsettings.json, "ASP.NET Core Identity", cookie, Cookie, Blazor, "Blazor Server", "Blazor WebAssembly", "Identity", "Let's Encrypt", Razor, SignalR]
uid: blazor/hybrid/security/index
---
@ -40,17 +40,11 @@ The user might be able to indicate that they want the URL to load in the app bec
By default, the [`BlazorWebView`](/maui/user-interface/controls/blazorwebview) control uses the currently-installed, platform-specific native :::no-loc text="Web View":::. Since the native :::no-loc text="Web View"::: is periodically updated with support for new APIs and fixes for security issues, it may be necessary to ensure that an app is using a :::no-loc text="Web View"::: version that meets the app's requirements.
To keep the :::no-loc text="Web View"::: current in deployed apps, check the :::no-loc text="Web View"::: version and prompt the user to take any necessary steps to update it.
<!-- HOLD FOR RC2 AND SWAP FOR THE PRIOR SENTENCE
Use one of the following approaches to keep the :::no-loc text="Web View"::: current in deployed apps:
* **On all platforms**: Check the :::no-loc text="Web View"::: version and prompt the user to take any necessary steps to update it.
* **Only on Windows**: Package a fixed-version :::no-loc text="Web View"::: within the app, using it in place of the system's shared :::no-loc text="Web View":::.
-->
### Android
The Android :::no-loc text="Web View"::: is distributed and updated via the [Google Play Store](https://play.google.com/store/apps/details?id=com.google.android.webview). Check the :::no-loc text="Web View"::: version by reading the [`User-Agent`](https://developer.mozilla.org/docs/Web/HTTP/Headers/User-Agent) string. Read the :::no-loc text="Web View":::'s [`navigator.userAgent`](https://developer.mozilla.org/docs/Web/API/Navigator/userAgent) property using [JavaScript interop](xref:blazor/js-interop/index) and optionally cache the value using a singleton service if the user agent string is required outside of a Razor component context.
@ -61,15 +55,11 @@ iOS and Mac Catalyst both use [`WKWebView`](https://developer.apple.com/document
### Windows (.NET MAUI, WPF, Windows Forms)
On Windows, the Chromium-based [Microsoft Edge `WebView2`](/microsoft-edge/webview2/) is required to run Blazor web apps. By default, the newest installed version of `WebView2` (known as the [Evergreen distribution](/microsoft-edge/webview2/concepts/distribution#details-about-the-fixed-version-runtime-distribution-mode)) is used.
On Windows, the Chromium-based [Microsoft Edge `WebView2`](/microsoft-edge/webview2/) is required to run Blazor web apps.
<!-- AT RC2, ADD THE FOLLOWING SENTENCE TO THE PRECEDING PARAGRAPH
By default, the newest installed version of `WebView2`, known as the *:::no-loc text="Evergreen distribution":::*, is used. If you wish to ship a specific version of `WebView2` with the app, use the *:::no-loc text="Fixed Version distribution":::*.
If you wish to ship a specific version of `WebView2` with the app, use the [Fixed Version distribution mode](/microsoft-edge/webview2/concepts/distribution#details-about-the-fixed-version-runtime-distribution-mode).
-->
For more information on checking the currently-installed `WebView2` version, see the [`WebView2` distribution docs](/microsoft-edge/webview2/concepts/distribution).
For more information on checking the currently-installed `WebView2` version and the distribution modes, see the [`WebView2` distribution documentation](/microsoft-edge/webview2/concepts/distribution).
## Additional resources