Perf improvement: fortunes, json_middleware, tls-renegotiation-kestrel

| Scenario | Environment | Date | Old RPS | New RPS | Change | Deviation | StDev | Dependencies |
| -------- | ----------- | ---- | ------- | ------- | ------ | --------- | ----- | ------------ |
| fortunes | Fortunes 13- Trends Database cobalt-cloud-lin | 05/30/2026 00:18:18 | 32,201 | 47,523 | 47.58 % (15,322) :thumbsup: | 11.72 σ | 1,307.67 | Changes NameVersionDiff Microsoft.AspNetCore.Antiforgery.dll `11.0.0-preview.6.26276.119` -> `11.0.0-preview.6.26277.116` https://github.com/dotnet/dotnet/compare/d506281d71c1f37db6f9e7ae9278330cdf4b045e...1616fce88662817fb8b76911fb188b56650859a0 Benchmarks.dll `1.0.0` -> `1.0.0` https://github.com/aspnet/Benchmarks/compare/98d18d3d85383e5e1fcd74d161ba5f3345794be6...c129b28ad4af00f820dca45038d0407942d79337 Microsoft.AspNetCore.App `11.0.0-preview.6.26276.119` -> `11.0.0-preview.6.26277.116` https://github.com/dotnet/dotnet/compare/d506281d71c1f37db6f9e7ae9278330cdf4b045e...1616fce88662817fb8b76911fb188b56650859a0 Microsoft.NETCore.App `11.0.0-preview.6.26276.119` -> `11.0.0-preview.6.26277.116` https://github.com/dotnet/dotnet/compare/d506281d71c1f37db6f9e7ae9278330cdf4b045e...1616fce88662817fb8b76911fb188b56650859a0 |
| json_middleware | Json 5M 4- Trends gold-win | 05/30/2026 05:03:42 | 929 | 933 | 0.40 % (4) :thumbsup: | 2.73 σ | 1.38 | Changes NameVersionDiff Json.dll `1.0.0` -> `1.0.0` https://github.com/aspnet/Benchmarks/compare/98d18d3d85383e5e1fcd74d161ba5f3345794be6...c129b28ad4af00f820dca45038d0407942d79337 Microsoft.AspNetCore.Antiforgery.dll `11.0.0-preview.6.26276.119` -> `11.0.0-preview.6.26277.116` https://github.com/dotnet/dotnet/compare/d506281d71c1f37db6f9e7ae9278330cdf4b045e...1616fce88662817fb8b76911fb188b56650859a0 Microsoft.AspNetCore.App `11.0.0-preview.6.26276.119` -> `11.0.0-preview.6.26277.116` https://github.com/dotnet/dotnet/compare/d506281d71c1f37db6f9e7ae9278330cdf4b045e...1616fce88662817fb8b76911fb188b56650859a0 Microsoft.NETCore.App `11.0.0-preview.6.26276.119` -> `11.0.0-preview.6.26277.116` https://github.com/dotnet/dotnet/compare/d506281d71c1f37db6f9e7ae9278330cdf4b045e...1616fce88662817fb8b76911fb188b56650859a0 |
| tls-renegotiation-kestrel | Kestrel Linux: TLS Renegotiation 9- Trends cobalt-cloud-lin | 05/30/2026 09:38:54 | 851 | 882 | 0.00 % (31) :thumbsup: | 3.60 σ | 8.62 | Changes NameVersionDiff Kestrel.dll `1.0.0` -> `1.0.0` https://github.com/aspnet/Benchmarks/compare/98d18d3d85383e5e1fcd74d161ba5f3345794be6...c129b28ad4af00f820dca45038d0407942d79337 |

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

@sebastienros