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[release/9.0-staging] Fix case-insensitive JSON deserialization of enum member names - #112057
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PranavSenthilnathan merged 4 commits intoFeb 19, 2025
Merged
PranavSenthilnathan merged 4 commits into
PranavSenthilnathan merged 4 commits into
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Tagging subscribers to this area: @dotnet/area-system-text-json, @gregsdennis |
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jeffhandley
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Feb 1, 2025
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Once the PR review is completed and the template is filled out, please apply the Servicing-consider Issue for next servicing release review label.
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...raries/System.Text.Json/src/System/Text/Json/Serialization/Converters/Value/EnumConverter.cs
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@PranavSenthilnathan / @eiriktsarpalis -- I overlooked that this backport had been queued up against release/9.0 instead of release/9.0-staging. I just re-targeted it. |
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This was referenced Feb 4, 2025
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Backport of #112028 to release/9.0-staging
/cc @eiriktsarpalis @PranavSenthilnathan
Customer Impact
When deserializing a string into an enum using a naming policy, if the C# enum member name is the same as its name derived from the naming policy, then the deserialization will be case sensitive. This prevents some values from being deserialized successfully in .NET 9.0 which previously worked fine in .NET 8.0. Reported in #110745.
Regression
Introduced in #105032.
Testing
User scenario was validated manually and new unit tests have been added to cover it.
Risk
Low. This is a targeted change that fixes the handling of a corner case that got regressed in .NET 9.