Revise search add-ins documentation for SPFx recommendation

[Ashlesha-MSFT]

Category

• Content fix

Related issues

• fixes SPFx Docs Update for content: docs/general-development/search-add-ins-in-sharepoint.md #10828
• fixes SPFx Docs Update for content: docs/general-development/overview-of-the-sharepoint-mobile-object-model.md #10829

What's in this Pull Request?

• Added deprecation notice for SharePoint Add-ins in SharePoint Online
• Added recommendation to use SharePoint Framework (SPFx) and Microsoft Graph APIs for new development
• Updated legacy MSDN links to Microsoft Learn paths
• Added notes about deprecated Silverlight-based APIs
• Performed minor documentation cleanup and formatting improvements

[learn-build-service-prod]

Learn Build status updates of commit 88f0fe7:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/general-development/search-add-ins-in-sharepoint.md	✅Succeeded	View

For more details, please refer to the build report.

[learn-build-service-prod]

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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.

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[learn-build-service-prod]

Learn Build status updates of commit f716795:

💡 Validation status: suggestions

File	Status	Preview URL	Details
docs/general-development/overview-of-the-sharepoint-mobile-object-model.md	💡Suggestion	View	Details
docs/general-development/search-add-ins-in-sharepoint.md	✅Succeeded	View

docs/general-development/overview-of-the-sharepoint-mobile-object-model.md

• Line 188, Column 180: [Suggestion: preserve-view-not-set - See documentation] You've pinned this link to a specific version of content with the view parameter. It's recommended not to pin a version unless that version is A) not the default view and B) the context is about that version specifically. To proceed with pinning a version add the &preserve-view=true to the URL. Otherwise, remove the view parameter. URL: /dotnet/api/system.net.networkcredential?view=netframework-4.8.1

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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.

[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 2c9d7a6:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/general-development/overview-of-the-sharepoint-mobile-object-model.md	✅Succeeded	View
docs/general-development/search-add-ins-in-sharepoint.md	✅Succeeded	View

For more details, please refer to the build report.

[andrewconnell]

Can you clarify why this was changed? Did you mean to set the original publish date to May 14, 2017, OR, was this intended to show the file was updated on May 14 2026?

If the latter, please revert. The ms.date shouldn't be updated when we update articles anymore.