Add HTTP/3 early request processing section for .NET 11#36996
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wadepickett merged 6 commits intomainfrom Apr 15, 2026
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Add HTTP/3 early request processing section for .NET 11#36996wadepickett merged 6 commits intomainfrom
wadepickett merged 6 commits intomainfrom
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- Create includes/http3-8-10.md with existing 8.0+ content - Update http3.md with aspnetcore-11.0 moniker and new section - Add Early request processing section after HTTP/3 benefits - Update ms.date to 04/14/2026 Agent-Logs-Url: https://github.com/dotnet/AspNetCore.Docs/sessions/8e53a96e-8c5c-4b2d-a018-2a810ee037bb Co-authored-by: wadepickett <10985336+wadepickett@users.noreply.github.com>
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[WIP] Add early request processing section to HTTP/3 documentation
Add HTTP/3 early request processing section for .NET 11
Apr 14, 2026
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Apr 14, 2026
Clarified the behavior of Kestrel in processing HTTP/3 requests starting with .NET 11, emphasizing the removal of the requirement to wait for the control stream and SETTINGS frame.
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Approved, with several updates.
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Just 2 comments, looks great.
Removed the table listing QUIC transport options and replaced it with a reference to the full list per tdykstra review suggestion.
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Fixes #36994
.NET 11 Preview 3 changes Kestrel to process HTTP/3 requests without waiting for the QUIC control stream and SETTINGS frame. The HTTP/3 article needs versioned content to document this behavior change.
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includes/http3-8-10.md— Extracts existing aspnetcore-8.0 content into an include file with moniker range>= aspnetcore-8.0 < aspnetcore-11.0, following the establishedhttp3-6-7.mdpatternhttp3.md— Inline content now targets>= aspnetcore-11.0with a new "Early request processing" section between "HTTP/3 benefits" and "HTTP/3 requirements":## Early request processing Starting with .NET 11, Kestrel starts processing HTTP/3 requests without waiting for the control stream and SETTINGS frame first. This optimization reduces first-request latency on new HTTP/3 connections.ms.dateto04/14/2026Internal previews