Perf improvement: fortunes, json, kestrel-hostheader-mismatch

| Scenario | Environment | Date | Old RPS | New RPS | Change | Deviation | StDev | Dependencies |
| -------- | ----------- | ---- | ------- | ------- | ------ | --------- | ----- | ------------ |
| fortunes | Fortunes Platform 8- Trends Database gold-win | 09/11/2026 15:14:24 | 262,470 | 697,376 | 165.70 % (434,906) :thumbsup: | 6.69 σ | 64,972.43 | Changes NameVersionDiff Microsoft.AspNetCore.Antiforgery.dll `11.0.0-rc.2.26457.111` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/4bb2ee8c55141f0a673bd35cfca018893ed28a00...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd Microsoft.AspNetCore.App `11.0.0-rc.2.26457.111` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/4bb2ee8c55141f0a673bd35cfca018893ed28a00...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd Microsoft.NETCore.App `11.0.0-rc.2.26457.111` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/4bb2ee8c55141f0a673bd35cfca018893ed28a00...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd |
| json | Json 8- Trends gold-lin | 09/11/2026 15:45:39 | 1,757,509 | 1,788,068 | 1.74 % (30,559) :thumbsup: | 15.40 σ | 1,984.31 | Changes NameVersionDiff Microsoft.AspNetCore.Antiforgery.dll `11.0.0-rc.2.26458.109` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/c65c25f0c9889e06a5d70e275c741d8430fa353a...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd Microsoft.AspNetCore.App `11.0.0-rc.2.26458.109` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/c65c25f0c9889e06a5d70e275c741d8430fa353a...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd Microsoft.NETCore.App `11.0.0-rc.2.26458.109` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/c65c25f0c9889e06a5d70e275c741d8430fa353a...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd |
| kestrel-hostheader-mismatch | Kestrel Linux: Host Header Mismatch 8- Trends gold-lin | 09/11/2026 16:32:01 | 44,079 | 45,662 | 3.59 % (1,584) :thumbsup: | 2.87 σ | 552.36 | Changes NameVersionDiff Microsoft.AspNetCore.Antiforgery.dll `11.0.0-rc.2.26457.111` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/4bb2ee8c55141f0a673bd35cfca018893ed28a00...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd Microsoft.AspNetCore.App `11.0.0-rc.2.26457.111` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/4bb2ee8c55141f0a673bd35cfca018893ed28a00...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd Microsoft.NETCore.App `11.0.0-rc.2.26457.111` -> `11.0.0-rc.2.26460.105` https://github.com/dotnet/dotnet/compare/4bb2ee8c55141f0a673bd35cfca018893ed28a00...4a0529b48b6bb6f0a7a5a24b588c5097efaf0cfd |

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@sebastienros

Review the fortunes, json, and kestrel-hostheader-mismatch benchmark entries and compare the dependency changes listed in the report. Use the linked PowerBI dashboard for follow-up measurements; the payload does not name a code file, test, requested change, or completion criterion.

Written by the indexing model from the issue text.