HR Docs updates (backport #19359)

doc/articles/studio/Hot Design/hot-design-getstarted-counter-tutorial.md

@@ -34,6 +34,9 @@ This tutorial will guide you through using Hot Design to create a simple counter
 
 For existing applications, take this opportunity to update to the [latest **Uno.Sdk** version](https://www.nuget.org/packages/Uno.Sdk). Refer to our [migration guide](xref:Uno.Development.MigratingFromPreviousReleases) for upgrade steps.
 
+> [!IMPORTANT]
+> When upgrading to **Uno.Sdk 5.5 or higher**, the `EnableHotReload()` method in `App.xaml.cs` is deprecated and should be replaced with `UseStudio()`.
+
 To start using **Hot Design**, ensure you are signed in with your Uno Platform account. Follow [these instructions](xref:Uno.GetStarted.Licensing) to register and sign in.
 
 Once you're using the **latest stable 5.5 Uno.Sdk version or higher**, you can access **Hot Design** by clicking the **flame** button in the diagnostics overlay that appears over your app.

doc/articles/studio/Hot Design/hot-design-getstarted-guide.md

@@ -24,7 +24,10 @@ Use this guide to set up Hot Design and start creating and refining user interfa
 
 To start using **Hot Design**, ensure you are signed in with your Uno Platform account. Follow [these instructions](xref:Uno.GetStarted.Licensing) to register and sign in.
 
-For existing applications, take this opportunity to update to the [latest **Uno.Sdk** version](https://www.nuget.org/packages/Uno.Sdk). Refer to our [migration guide](xref:Uno.Development.MigratingFromPreviousReleases) for upgrade steps.  
+For existing applications, take this opportunity to update to the [latest **Uno.Sdk** version](https://www.nuget.org/packages/Uno.Sdk). Refer to our [migration guide](xref:Uno.Development.MigratingFromPreviousReleases) for upgrade steps.
+
+> [!IMPORTANT]
+> When upgrading to **Uno.Sdk 5.5 or higher**, the `EnableHotReload()` method in `App.xaml.cs` is deprecated and should be replaced with `UseStudio()`.
 
 Once you're using the **latest stable 5.5 Uno.Sdk version or higher**, and provided you have been granted Beta access, you can access **Hot Design** by clicking the **flame** icon in the diagnostics overlay that appears over your app.
 

doc/import_external_docs.ps1

@@ -7,7 +7,7 @@ Set-PSDebug -Trace 1
 
 $external_docs = @{
     # use either commit, or branch name to use its latest commit
-    "uno.wasm.bootstrap" = "e4a2307f24accd267b77c361b30bc20ba5ccd978" #latest release/stable/9.0 branch commit
+    "uno.wasm.bootstrap" = "bb241f7f8c739d269e2f09b46ca061eeeb9b8714" #latest release/stable/9.0 branch commit
     "uno.themes"         = "22df5299701fe9a6f96e4414b559f8dfd5789540" #latest release/stable/5.4 branch commit
     "uno.toolkit.ui"     = "f45468269d8f7b24f820bfedce8a45bea2809864" #latest release/stable/6.4 branch commit
     "uno.check"          = "c327cb365d29a2b53911a3ea9f8cd89254f5729d" #latest main commit