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cross-platform-targeting: remove Xamarin/UWP-era graphics, modernize content#52995

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cross-platform-targeting: remove Xamarin/UWP-era graphics, modernize content#52995
Copilot wants to merge 2 commits intomainfrom
copilot/update-freshness-graphic-xamarin

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Copilot AI commented Apr 13, 2026 •
edited by github-actions bot
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The article contained two diagrams showing a pre-.NET-5 ecosystem (Xamarin, .NET Core, UWP, netcoreapp2.0) that no longer reflect current .NET. All UWP references in prose and code were also stale.

Changes

  • Deleted both outdated images (platforms-netstandard.png, nuget-package-multiple-assemblies.png)
  • Replaced the NuGet multi-targeting diagram with prose describing the netstandard2.0/net8.0 assembly selection behavior
  • Code example: WINDOWS_UWP → WINDOWS (the preprocessor constant defined by net*-windows OS-specific TFMs)
// Before
#elif WINDOWS_UWP
    return CallUwpApi();

// After
#elif WINDOWS
    return CallWindowsApi();
  • Prose: "ahead-of-time compilation on iOS or UWP" → "iOS or Android"; "UWP control toolkit" → "WinUI control toolkit"
  • Updated ms.date

Internal previews

📄 File 🔗 Preview link
docs/standard/library-guidance/cross-platform-targeting.md docs/standard/library-guidance/cross-platform-targeting

Copilot AI linked an issue Apr 13, 2026 that may be closed by this pull request
Update freshness - e.g. graphic showing Xamarin #52851
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@dotnet-policy-service dotnet-policy-service bot added the okr-freshness OKR: Freshness of content label Apr 13, 2026
Copilot AI changed the title [WIP] Update freshness of article with Xamarin graphic cross-platform-targeting: remove Xamarin/UWP-era graphics, modernize content Apr 13, 2026
Copilot AI requested a review from gewarren April 13, 2026 21:22
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@gewarren gewarren gewarren approved these changes

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Update freshness - e.g. graphic showing Xamarin

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