Updates

Author: guardrex

aspnetcore/release-notes/aspnetcore-10/includes/blazor.md

@@ -202,4 +202,11 @@ The default environments are:
 * `Development` for build.
 * `Production` for publish.
 
+## Boot configuration file name change
+
+The boot configuration file is changing names from `blazor.boot.json` to `dotnet.boot.js`. This name change only affects developers who are interacting directly with the file, such as when developers are:
+
+* Checking file integrity for published assets with the troubleshoot integrity PowerShell script per the guidance in <xref:blazor/host-and-deploy/webassembly/bundle-caching-and-integrity-check-failures?view=aspnetcore-9.0#troubleshoot-integrity-powershell-script>.
+* Changing the file name extension of DLL files when not using the default Webcil file format per the guidance in <xref:blazor/host-and-deploy/webassembly/index?view=aspnetcore-9.0#customize-how-boot-resources-are-loaded>.
+
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