Perf improvement: fortunes, json_middleware, updates

| Scenario | Environment | Date | Old RPS | New RPS | Change | Deviation | StDev | Dependencies |
| -------- | ----------- | ---- | ------- | ------- | ------ | --------- | ----- | ------------ |
| fortunes [Fixed] | Fortunes 8- Trends Database gold-win | 08/03/2026 00:32:22 | 184,446 | 193,385 | 4.85 % (8,939) :thumbsup: | 2.19 σ | 4,086.81 | Changes NameVersionDiff Microsoft.AspNetCore.Antiforgery.dll `11.0.0-rc.1.26381.101` -> `11.0.0-rc.1.26401.101` https://github.com/dotnet/dotnet/compare/45ee027fe6e3e41dfe3c747563bb5bf728768b97...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c Microsoft.AspNetCore.App `11.0.0-rc.1.26381.101` -> `11.0.0-rc.1.26401.101` https://github.com/dotnet/dotnet/compare/45ee027fe6e3e41dfe3c747563bb5bf728768b97...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c Microsoft.NETCore.App `11.0.0-rc.1.26381.101` -> `11.0.0-rc.1.26401.101` https://github.com/dotnet/dotnet/compare/45ee027fe6e3e41dfe3c747563bb5bf728768b97...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c |
| json_middleware | Json 5M 13- Trends cobalt-hosted-lin | 08/02/2026 20:29:00 | 406 | 1,211 | 198.10 % (805) :thumbsup: | 3.08 σ | 261.24 | Changes NameVersionDiff Microsoft.AspNetCore.Antiforgery.dll `11.0.0-rc.1.26381.101` -> `11.0.0-rc.1.26401.101` https://github.com/dotnet/dotnet/compare/45ee027fe6e3e41dfe3c747563bb5bf728768b97...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c Microsoft.AspNetCore.App `11.0.0-rc.1.26381.101` -> `11.0.0-rc.1.26401.101` https://github.com/dotnet/dotnet/compare/45ee027fe6e3e41dfe3c747563bb5bf728768b97...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c Microsoft.NETCore.App `11.0.0-rc.1.26381.101` -> `11.0.0-rc.1.26401.101` https://github.com/dotnet/dotnet/compare/45ee027fe6e3e41dfe3c747563bb5bf728768b97...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c |
| updates | Updates Platform 20- Trends Database cobalt-hosted-lin-28 | 08/03/2026 10:05:08 | 24,226 | 29,571 | 22.06 % (5,345) :thumbsup: | 2.82 σ | 1,893.36 | Changes NameVersionDiff |

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

@sebastienros

Compare the fortunes, json_middleware, and updates benchmark results in the issue and consult the linked PowerBI Dashboard first. The payload names no source files, tests, or requested code change, so completion criteria are not defined.

Written by the indexing model from the issue text.