Perf improvement: json

| Scenario | Environment | Date | Old RPS | New RPS | Change | Deviation | StDev | Dependencies |
| -------- | ----------- | ---- | ------- | ------- | ------ | --------- | ----- | ------------ |
| json | Json Crossgen2 4- Trends gold-win | 06/28/2026 07:58:18 | 1,283,587 | 1,352,361 | 5.36 % (68,774) :thumbsup: | 2.72 σ | 25,251.67 | Changes NameVersionDiff Microsoft.AspNetCore.Antiforgery.dll `11.0.0-preview.7.26324.112` -> `11.0.0-preview.7.26327.102` https://github.com/dotnet/dotnet/compare/41b5d5408ece9441d251840e91d5b20b38b958c0...3e328deefbd3029c2f957050c508b4faeee3d71f Microsoft.AspNetCore.App `11.0.0-preview.7.26324.112` -> `11.0.0-preview.7.26327.102` https://github.com/dotnet/dotnet/compare/41b5d5408ece9441d251840e91d5b20b38b958c0...3e328deefbd3029c2f957050c508b4faeee3d71f Microsoft.NETCore.App `11.0.0-preview.7.26324.112` -> `11.0.0-preview.7.26327.102` https://github.com/dotnet/dotnet/compare/41b5d5408ece9441d251840e91d5b20b38b958c0...3e328deefbd3029c2f957050c508b4faeee3d71f |

[PowerBI Dashboard](https://aka.ms/aspnet/benchmarks)

@sebastienros

Start with the linked PowerBI Dashboard and review the reported json benchmark and dependency comparison. The issue names no files, tests, or code entry points and does not define a requested change or acceptance criteria, so the intended investigation and definition of done need clarification.

Written by the indexing model from the issue text.