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Area-NullnessIssues related to handling of Nullable Reference TypesIssues related to handling of Nullable Reference TypesBugImpact-Medium(Internal MS Team use only) Describes an issue with moderate impact on existing code.(Internal MS Team use only) Describes an issue with moderate impact on existing code.
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Description
Issue description
Tooltips for BCL functions contain the signature as well as rendered XML documentation.

When nullness is enabled for a project, the tooltips are reduced to the signature only, without rendering descriptions from XML docs.
This is not affected by TFM or LangVersion being different.
Choose one or more from the following categories of impact
- Unexpected nullness warning (false positive in nullness checking, code uses --checknulls and langversion:preview).
- Missing nullness warning in a case which can produce nulls (false negative, code uses --checknulls and langversion:preview).
- Breaking change related to older
nullconstructs in code not using the checknulls switch. - Breaking change related to generic code and explicit type constraints (
null,not null). - Type inference issue (i.e. code worked without type annotations before, and applying the --checknulls enforces type annotations).
- C#/F# interop issue related to nullness metadata.
- Other (none of the categories above apply).
Operating System
Windows (Default)
What .NET runtime/SDK kind are you seeing the issue on
.NET SDK (.NET Core, .NET 5+)
.NET Runtime/SDK version
NET 9
Reproducible code snippet and actual behavior
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net9.0</TargetFramework>
<LangVersion>preview</LangVersion>
<Nullable>enable</Nullable>
</PropertyGroup>
Possible workarounds
No response
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Labels
Area-NullnessIssues related to handling of Nullable Reference TypesIssues related to handling of Nullable Reference TypesBugImpact-Medium(Internal MS Team use only) Describes an issue with moderate impact on existing code.(Internal MS Team use only) Describes an issue with moderate impact on existing code.
Type
Projects
Status
Done
