Breaking change docs: NuGet pack warns NU5052 for non-conformant package IDs (.NET 11) - #54996
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[WIP] Fix NU5052 warning when using restricted characters in package ID
Breaking change docs: NuGet pack warns NU5052 for non-conformant package IDs (.NET 11)
Jul 22, 2026
gewarren
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Jul 22, 2026
Co-authored-by: Genevieve Warren <24882762+gewarren@users.noreply.github.com>
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July 22, 2026 17:57
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Documents the new
NU5052warning emitted bydotnet packwhen a package ID contains characters outside the restricted set (ASCII letters, digits,.,-,_; no consecutive separators; max 100 chars). Gated bySdkAnalysisLevel >= 11.0.100, first shipped in .NET 11 Preview 6.Changes
docs/core/compatibility/sdk/11/nuget-pack-nu5052-packageid.md— covers previous/new behavior, reason (normalization inconsistency across runtimes/OS), and recommended actions (rename to ASCII, or suppress via<NoWarn>NU5052</NoWarn>/ lowerSdkAnalysisLevel)toc.yml— entry added under .NET 11 SDK and MSBuild11.md— row added to the SDK and MSBuild breaking changes tableInternal previews