Accessibility (.NET 11): document Windows layout UIA behavior

[jfversluis]

Summary

• Documents the .NET 11 Preview 6 Windows UI Automation behavior for layouts and ContentView in docs/fundamentals/accessibility.md.
• Adds a behavior table for anonymous layouts, AutomationId-only test hooks, semantic opt-ins, IsInAccessibleTree, and explicit opt-out precedence.
• Updates ms.date to 07/08/2026.

Source verification

• Verified against dotnet/maui PR: [Windows][net11] Make Layout AutomationPeer public + opt-in for screen reader tree maui#35597
• Confirmed the change is present in the release/11.0.1xx-preview5 to release/11.0.1xx-preview6 comparison.

Validation

• Checked moniker block balance in docs/fundamentals/accessibility.md.
• Checked the new markdown table structure.
• Ran git diff --check.

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Internal previews

📄 File	🔗 Preview link
docs/fundamentals/accessibility.md	docs/fundamentals/accessibility

[learn-build-service-prod]

PoliCheck Scan Report

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[learn-build-service-prod]

Learn Build status updates of commit ed98193:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
docs/fundamentals/accessibility.md	⚠️Warning	View (>=net-maui-8.0)	Details

docs/fundamentals/accessibility.md

• Line 257, Column 50: [Warning: xref-not-found - See documentation] Cross reference not found: 'Microsoft.Maui.Platform.MauiLayoutAutomationPeer'.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

[Copilot]

Pull request overview

Documents the updated Windows UI Automation behavior for Layout and ContentView containers introduced in .NET MAUI 11 Preview 6, version-gated with a >=net-maui-11.0 moniker block in the accessibility fundamentals article.

Changes:

• Updates ms.date to 07/08/2026.
• Adds a .NET 11+ section describing Windows layout/container UIA behavior and guidance for AutomationId vs semantic/automation properties.
• Introduces a behavior matrix (raw/control/content views) for common settings and opt-out precedence.

Show a summary per file

File	Description
docs/fundamentals/accessibility.md	Adds a .NET 11 monikered section documenting Windows UIA behavior for layout containers and updates metadata date.

Copilot's findings

• Files reviewed: 1/1 changed files
• Comments generated: 2

[learn-build-service-prod]

Learn Build status updates of commit e88fb6e:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/fundamentals/accessibility.md	✅Succeeded	View (>=net-maui-8.0)

For more details, please refer to the 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.

✅ 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.