.NET 11 RC 1: update What's New

[davidortinau]

Summary

• add .NET 11 RC 1 controls, platform features, XAML Hot Reload fixes, and testing updates to the existing What's New hierarchy
• summarize Android build, size, startup, and dotnet run improvements
• document Apple NativeAOT, binding, packaging, and relevant breaking changes
• preserve all Preview 1-7 content and keep the scope independent from Document .NET 11 badge support for Shell tabs and ToolbarItems #3359

Verification

• verified the editorial source at dotnet/core@b6cc7e891cf4f74121ddd0aa47c2f8d20bf3e1e2 against each cited MAUI, Android, and macios PR
• confirmed the RC 1 workload cuts exclude post-cut dotnet/macios#26409 and unshipped dotnet/android#12230
• ran targeted markdownlint, local article-root link checks, moniker and scope checks, and staged-diff review

Release context

Related release-note work: dotnet/core#10552

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Internal previews

File	Preview link
docs/whats-new/dotnet-11.md	Learn preview

Build report

[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

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[learn-build-service-prod]

Learn Build status updates of commit 96473ae:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/whats-new/dotnet-11.md	✅Succeeded	View (>=net-maui-8.0)

For more details, please refer to the build report.

[Copilot]

Copilot review overview

🟡 Changes recommended

The page intro claims the release-notes list covers “each” .NET 11 release, but it only lists previews while the page now documents RC 1 content, so the wording (or list) should be updated for accuracy.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Review tier: Lite
Findings: 1

New issues introduced by this change (1)

Severity	Finding
	docs/​whats-new/​dotnet-11.md — The introduction says the list contains release notes for “each .NET MAUI in .NET 11 release”, but…

What changed in this PR

Updates the .NET MAUI “What’s new in .NET 11” page to incorporate .NET 11 RC 1 additions (while keeping prior Preview content intact), covering new testing templates plus controls/platform/tooling updates and breaking changes.

Changes:

• Added a new Testing section documenting RC 1 test project templates and dotnet test usage.
• Added multiple RC 1 entries across Controls, Platform features, XAML Hot Reload, Android performance/tooling, Apple NativeAOT/binding/packaging, and Breaking changes.
• Refreshed page metadata date.

File	Description
docs/​whats-new/​dotnet-11.md	Adds .NET 11 RC 1 “What’s New” entries across testing, controls, platform features, tooling, and breaking changes.

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[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

More information about PoliCheck

Information: PoliCheck | Severity Guidance | Term
For any questions: Try searching the learn.microsoft.com contributor guides or post your question in the Learn support channel.

[learn-build-service-prod]

Learn Build status updates of commit 74c3f0f:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/whats-new/dotnet-11.md	✅Succeeded	View (>=net-maui-8.0)

For more details, please refer to the build report.