What's new in ASP.NET Core in .NET 11 Preview 5#37241
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Pull request overview
This PR updates the ASP.NET Core .NET 11 “What’s new” article to include two new Preview 5 feature blurbs (OpenAPI schema generation improvements and a Kestrel trailer header timeout change), and refreshes the article’s ms.date.
Changes:
- Added new include files for OpenAPI schema generation behavior updates and Kestrel trailer header timeouts.
- Wired the new include files into the OpenAPI and Miscellaneous sections of
aspnetcore-11.md. - Updated
ms.dateinaspnetcore-11.mdto06/08/2026.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 5 comments.
| File | Description |
|---|---|
| aspnetcore/release-notes/aspnetcore-11.md | Updates ms.date and adds [!INCLUDE] directives for the new Preview 5 includes. |
| aspnetcore/release-notes/aspnetcore-11/includes/openapi-schema-improvements-preview-5.md | New include describing OpenAPI schema/response metadata generation improvements and includes a contributor thank-you. |
| aspnetcore/release-notes/aspnetcore-11/includes/kestrel-trailer-header-timeouts-preview-5.md | New include describing Kestrel applying request header timeouts to fragmented trailer headers. |
Add API xref links. Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
wadepickett
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wadepickett
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Approved after some minor fixes.
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@guardrex, just a heads up so you are aware of this PR for What's New. I did not include Blazor items. If you want me to for these going forward, generated off of the release notes, then let me know, otherwise I will assume you will add your own, which is fine. |
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Closingand reopening to force new build. |
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Thanks @wadepickett ... I have the P5 Blazor content just about ready to go on a couple of other PRs. I was planning on merging them to main in the morning. As usual, I'll leave the merge-to-live PR to you. Yes, let's try Copilot for Blazor content for Preview 6 next month. I'd like to see if I'm happy with what it produces. 😆 I appreciate how much work you've done getting the repo going with it. I'd love to be freed up to work on more complicated doc issues ... for example, the overhauls that I've been working on. BTW on the OPS failure ... I've been periodically closing and re-opening PRs all day ... no 🎲🎲 unfortunately. The OPS folks would be aware of this by now, right? 😨 |
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@guardrex |
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close and reopen to force build. |
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@guardrex, |
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@wadepickett ... Just woke up! ... I'm EST, so I was 🛌💤 when you reached out. The two PRs that I need to get in today are ...
[EDIT] ... and one more just went up for P5 ... BTW -- I didn't surface the Migration content earlier in the ToC (we didn't have the .NET 11 doc version selector at that time). That update to the ToC is on my Preview 5 PR. When we get everything merged today, the Migration article for .NET 11 will pop up in the ToC, so no worries on that today 😅. I just rebuilt the first one with a commit, and it did fail again.
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Closing and reopening to test to see if build is happening yet. |
Adds Preview 5 release notes from dotnet/core#10422 to the What's New article.
New include files
kestrel-trailer-header-timeouts-preview-5.md—RequestHeadersTimeoutnow applies to fragmented HTTP/2 and HTTP/3 trailer headersopenapi-schema-improvements-preview-5.md— Enum parameter naming for non-body params, valid array schema reference IDs, and multipleProduces<T>()per status code. Preserves contributor acknowledgment for @marcominerva.Article updates
[!INCLUDE]directives in the OpenAPI and Miscellaneous sectionsms.dateto06/08/2026Blazor features (not included — handled separately)
Blazor SSR client-side validation, async form validation, error localization, QuickGrid without interactivity, WebAssembly culture preservation,
SupplyParameterFromSession, Gateway templates, and child content across render mode boundaries.Excluded per content rules
Bug fixes and standalone community contributors list.