Side note: I suspect the announcement post contains a minor error saying that the new behavior is to generate a dll called AppName.Views.dll, where it probably should say AppName.dll.

Oof! Yes, it does. Shouldn't have written that post so quickly. Too many typos. 😲

Does this also means the hot reload for Razor Views will no longer be available/supported?

So, hot reload is a new feature that we're shipping in .NET 6 Preview 3, the same release that this feature is being shipped alongside so this doesn't really change anything about the way things used to work (e.g. the "no longer" part) since hot reload is new.

In fact, this work helps enable hot-reload scenarios. The hot reload feature that we are shipping works by communicating deltas of IL code to the running application. The running app then applies those deltas to the app as part of the update. The feature currently only supports communicating deltas for a single assembly for the work we did here was necessary to get things working correctly for hot reload.

@stefanloerwald it looks like https://github.com/dotnet/sdk/tree/main/src/RazorSdk/SourceGenerators has most of the work to take the language from https://github.com/dotnet/aspnetcore/tree/main/src/Razor/Microsoft.AspNetCore.Razor.Language and tie it into a source generator.

@stefanloerwald @watfordgnf Thanks for digging up the code. We lifted and shifted the SDKs from the aspnetcore repo to the sdk repo for .NET 6.

A quick note: you might spot that we leverage static members to do some "caching" in the RSG. This is temporary workaround that we will be replacing with the work outlined dotnet/aspnetcore#31244. Depending on when folks come across this thread, I would recommend using the API mentioned in the issue above for your RSG instead of using the temporary workaround we've employed here.

[Discussion] Razor compiler no longer produces a Views assembly #7577

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captainsafiaopenedon Apr 6, 2021

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captainsafia
openedon Apr 6, 2021