[release-notes] ASP.NET Core in .NET 11 Preview 4#10389
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danroth27 wants to merge 5 commits intorelease-notes/11.0-preview4from
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[release-notes] ASP.NET Core in .NET 11 Preview 4#10389danroth27 wants to merge 5 commits intorelease-notes/11.0-preview4from
danroth27 wants to merge 5 commits intorelease-notes/11.0-preview4from
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danroth27
requested review from
BrennanConroy,
DeagleGross,
SamMonoRT,
dariatiurina,
halter73,
ilonatommy,
javiercn,
lewing,
oroztocil and
tkapin
ilonatommy
reviewed
Apr 30, 2026
dariatiurina
approved these changes
Apr 30, 2026
Live-tested every feature against the installed 11.0.100-preview.4.26224.122 build with reflection + sample apps: * Resolve TLS TODO: confirm ITlsHandshakeFeature.Exception property name. * OpenAPI file results: note .Produces<FileContentHttpResult>() annotation is required for the binary schema to appear (PR #64562 fires from metadata, not auto-inference). * Endpoint filter on binding failure: drop the inaccurate ValueTask<object?> claim (PR #64539 applies to any return type), and call out RouteHandlerOptions.ThrowOnBadRequest = false so the filter observes the 400 in Development mode. Filed dotnet/aspnetcore#66541 for a Virtualize prepend edge case (scroll-anchor regression when `_itemsBefore == 0`); release-notes claim left as-is — the bug only affects the case where the user has not yet scrolled the rendered window past index 0. Circuit-pause and `mcpserver` template remain documented; both PRs were merged late in the cycle and are expected to land in a Preview 4 servicing build. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* HTTP QUERY (#65714) is OpenAPI-only; reword and rename heading. * Virtualize: clarify #65951 covers height-changes-above-viewport (no API change). Add separate section for #66521's new AnchorMode parameter, including ItemComparer guidance for reference-type items. * Add a Runtime-async section for #66449 (backport of #66200). Removes the pre-filtering note that excluded it. Feedback from BrennanConroy and ilonatommy on #10389. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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ASP.NET Core release notes for .NET 11 Preview 4.
Targets the milestone base branch #10388. Merging this PR
into
release-notes/11.0-preview4addsaspnetcore.mdto the milestone.Generated end-to-end by the
release-notesskill. AI-authored content;please review for accuracy, resolve any inline
<!-- TODO -->placeholders,and then mark this PR ready for review.
cc @danroth27