Webcil format replaces multipart bundling

[guardrex]

🛑 WAIT for Preview 5 🛑

• [mono][wasm] Bundle assemblies as WebCIL runtime#79416
• UseBlazorFrameworkFiles: add webcil mime type mapping aspnetcore#46244
• [tracking] Publish .NET assemblies in Webcil files runtime#80807
• https://github.com/dotnet/runtime/blob/main/docs/design/mono/webcil.md

How to experiment during Pre3 ...

dotnet/core#8133 (comment)

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Document Details

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• ID: 303a2fe3-ffe3-5f0e-5a0b-6cb9377147a2
• Version Independent ID: 79eec8ea-34e3-ea40-2b00-bf98ec7b3809
• Content: Deployment layout for ASP.NET Core Blazor WebAssembly apps
• Content Source: aspnetcore/blazor/host-and-deploy/webassembly-deployment-layout.md
• Product: aspnet-core
• Technology: aspnetcore-hostdeploy
• GitHub Login: @guardrex
• Microsoft Alias: riande

[maraf]

@guardrex It's part of preview4 codebase

• [browser] Enable webcil in Wasm SDK runtime#84977
• [browser] Fix webcil lazy loading and satellite assemblies in Wasm SDK runtime#85335
• [blazor] Drop explicit change of extension of assembly to lazy load aspnetcore#47901

[guardrex]

It was decided by management to hold off to Preview 5 on this one. It's too unstable at the moment to document at all, even for a preview release.