Document Newtonsoft.Json 10.0.2 → 13.0.1 breaking change for Cosmos provider in EF Core 9.0#5303
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AndriySvyryd merged 2 commits intomainfrom Mar 25, 2026
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…in EF Core 9.0 (fixes #4804) Co-authored-by: AndriySvyryd <6539701+AndriySvyryd@users.noreply.github.com> Agent-Logs-Url: https://github.com/dotnet/EntityFramework.Docs/sessions/2eb3a0b2-e99c-4d2f-944a-229c2e3eed0c
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Pull request overview
Documents an EF Core 9.0 Azure Cosmos DB provider breaking change that was previously undocumented: the upgrade of the provider’s Newtonsoft.Json dependency from 10.0.2 to 13.0.1, primarily for security reasons.
Changes:
- Adds a new Low-impact entry to the Cosmos DB breaking changes summary table.
- Adds a full breaking-change write-up (Old behavior/New behavior/Why/Mitigations) with a stable anchor and a link to the upstream EF Core PR.
Co-authored-by: AndriySvyryd <6539701+AndriySvyryd@users.noreply.github.com> Agent-Logs-Url: https://github.com/dotnet/EntityFramework.Docs/sessions/1de6c4b3-c44e-4b17-974f-f4af5a0f9244
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Mar 25, 2026
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Fixes #4804
The EF Core 9.0 Cosmos provider upgraded its Newtonsoft.Json dependency from 10.0.2 to 13.0.1 to eliminate a known-vulnerable transitive dependency. This change was undocumented.
Changes
Old behavior/New behavior/Why/Mitigations) under the Cosmos DB low-impact changes, following the existing format with a stable<a name="cosmos-newtonsoft-json-version">anchor🔒 GitHub Advanced Security automatically protects Copilot coding agent pull requests. You can protect all pull requests by enabling Advanced Security for your repositories. Learn more about Advanced Security.