Update to .NET 10.x packages#957
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stephentoub merged 1 commit intomodelcontextprotocol:mainfrom Nov 12, 2025
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stephentoub
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eiriktsarpalis,
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Pull Request Overview
This PR updates the .NET package dependencies from version 9.x to 10.x, removes the temporary CustomizableJsonStringEnumConverter workaround (replaced by built-in .NET 10 support), and adds comprehensive tests for unknown property handling to ensure forward compatibility with future protocol versions.
Key Changes
- Updated package versions to .NET 10.0.0 for System.* and Microsoft.Extensions.* packages
- Removed
CustomizableJsonStringEnumConverterand replaced all usages with .NET's built-inJsonStringEnumConverter<T> - Removed conditional compilation directives for .NET 9+ features (histogram bucket boundaries)
Reviewed Changes
Copilot reviewed 9 out of 9 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| Directory.Packages.props | Updated package versions from 9.x to 10.x; reorganized package references by framework with clearer grouping |
| src/ModelContextProtocol.Core/CustomizableJsonStringEnumConverter.cs | Removed temporary workaround file (125 lines deleted) as functionality is now built into .NET 10 |
| src/ModelContextProtocol.Core/McpJsonUtilities.cs | Updated enum converter registration from CustomizableJsonStringEnumConverter to JsonStringEnumConverter |
| src/ModelContextProtocol.Core/Protocol/Role.cs | Updated JsonConverter attribute to use built-in JsonStringEnumConverter |
| src/ModelContextProtocol.Core/Protocol/LoggingLevel.cs | Updated JsonConverter attribute to use built-in JsonStringEnumConverter |
| src/ModelContextProtocol.Core/Protocol/ContextInclusion.cs | Updated JsonConverter attribute to use built-in JsonStringEnumConverter |
| src/ModelContextProtocol.Core/Diagnostics.cs | Removed NET9_0_OR_GREATER preprocessor directives around histogram bucket boundaries |
| tests/ModelContextProtocol.Tests/Protocol/ElicitationTypedTests.cs | Updated test enum to use built-in JsonStringEnumConverter |
| tests/ModelContextProtocol.Tests/Protocol/UnknownPropertiesTests.cs | New test file (258 lines) validating that JSON deserializers skip unknown properties for forward compatibility |
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