Merge pull request #36130 from dotnet/main

Author: guardrex

aspnetcore/blazor/state-management/prerendered-state-persistence.md

@@ -168,8 +168,8 @@ public class CounterService
 In `Program.cs`:
 
 ```csharp
-builder.Services.RegisterPersistentService<CounterService>(
-    RenderMode.InteractiveAuto);
+builder.Services.AddRazorComponents()
+    .RegisterPersistentService<CounterService>(RenderMode.InteractiveAuto);
 ```
 
 Serialized properties are identified from the actual service instance:

aspnetcore/fundamentals/static-files.md

@@ -5,7 +5,7 @@ description: Learn how to serve and secure static files and configure Map Static
 monikerRange: '>= aspnetcore-3.1'
 ms.author: wpickett
 ms.custom: mvc
-ms.date: 09/02/2025
+ms.date: 09/17/2025
 uid: fundamentals/static-files
 ---
 # Static files in ASP.NET Core
@@ -1123,16 +1123,24 @@ Property | Description
 
 Item group | Description | Metadata
 --- | ---
-`StaticWebAssetContentTypeMapping` | Maps file patterns to content types and cache headers for endpoints. | Pattern, Cache
-`StaticWebAssetFingerprintPattern` | Defines patterns for applying fingerprints to static web assets for cache busting. | Pattern, Expression
+`StaticWebAssetContentTypeMapping` | Maps file patterns to content types and cache headers for endpoints. | `Pattern`, `Cache`
+`StaticWebAssetFingerprintPattern` | Defines patterns for applying fingerprints to static web assets for cache busting. | `Pattern`, `Expression`
 
 Metadata Descriptions:
 
-* **Pattern**: A glob pattern used to match files. For `StaticWebAssetContentTypeMapping`, it matches files to determine their content type (for example, `*.js` for JavaScript files). For `StaticWebAssetFingerprintPattern`, it identifies multi-extension files that require special fingerprinting treatment (for example, `*.lib.module.js`).
+* **`Pattern`**: A glob pattern used to match files. For `StaticWebAssetContentTypeMapping`, it matches files to determine their content type (for example, `*.js` for JavaScript files). For `StaticWebAssetFingerprintPattern`, it identifies multi-extension files that require special fingerprinting treatment (for example, `*.lib.module.js`).
 
-* **Cache**: Specifies the `Cache-Control` header value for the matched content type. This controls browser caching behavior (for example, `max-age=3600, must-revalidate` for media files).
+* **`Cache`**: Specifies the `Cache-Control` header value for the matched content type. This controls browser caching behavior (for example, `max-age=3600, must-revalidate` for media files).
 
-* **Expression**: Defines how the fingerprint is inserted into the filename. The default is `#[.{fingerprint}]`, which inserts the fingerprint before the extension.
+* **`Expression`**: Defines how the fingerprint is inserted into the filename. The default is `#[.{FINGERPRINT}]`, which inserts the fingerprint (`{FINGERPRINT}` placeholder) before the extension.
+
+The following example maps the bitmap file pattern (`.bmp`) to the `image/bmp` content type with the `{CACHE HEADER}` placeholder representing the `Cache-Control` header to use for non-fingerprinted endpoints:
+
+```xml
+<ItemGroup>
+  <StaticWebAssetContentTypeMapping Include="image/bmp" Cache="{CACHE HEADER}" Pattern="*.bmp" />
+</ItemGroup>
+```
 
 ## Runtime configuration options
 

aspnetcore/test/http-files.md

@@ -3,9 +3,9 @@ title: Use .http files in Visual Studio 2022
 author: tdykstra
 description: Learn how to use .http files in Visual Studio 2022 to test ASPNET Core apps.
 monikerRange: '>= aspnetcore-8.0'
-ms.topic: how-to
 ms.author: tdykstra
-ms.date: 01/19/2024
+ms.date: 09/16/2025
+ms.topic: how-to
 uid: test/http-files
 ---
 # Use .http files in Visual Studio 2022
@@ -112,6 +112,8 @@ Lines that start with either `#` or `//` are comments. These lines are ignored w
 ## Variables
 
 A line that starts with `@` defines a variable by using the syntax `@VariableName=Value`.
+The variable name is case-sensitive and can't contain any spaces.
+The value can contain any characters, including the value `null` to represent a null value.
 
 Variables can be referenced in requests that are defined later in the file. They're referenced by wrapping their names in double curly braces, `{{` and `}}`. The following example shows two variables defined and used in a request:
 
@@ -543,6 +545,7 @@ The Visual Studio 2022 `.http` file editor doesn't have all the features that th
 * Prompt variables
 * Customize response preview
 * Per-request settings
+* Null-handling variables, e.g. using null-conditional or nullish coalescing operators (this is also unsupported in Visual Studio Code)
 
 ## Create an `.http` file