Perf regression: https, json, mvc

[pr-benchmarks]

Scenario	Environment	Date	Old RPS	New RPS	Change	Deviation	StDev	Dependencies
https	Json Https 8- Trends Intel Lin	02/28/2026 14:09:46	705,344	666,088	-100.00 % (-39,256) 👎	-9.92 σ	3,958.12	Changes Name Version Diff Microsoft.AspNetCore.App 11.0.0-preview.3.26124.102 -> 11.0.0-preview.3.26127.120 36ea4de...e95736f Microsoft.NETCore.App 11.0.0-preview.3.26124.102 -> 11.0.0-preview.3.26127.120 dotnet/runtime@36ea4de...e95736f Microsoft.AspNetCore.Antiforgery.dll 11.0.0-preview.3.26127.120 (New ) n/a Microsoft.AspNetCore.Antiforgery.dll 11.0.0-preview.3.26124.102 (Removed) n/a
json	Json Minimal APIs 8- Trends Intel Lin	02/28/2026 14:12:04	1,009,817	965,967	-4.34 % (-43,849) 👎	-9.61 σ	4,561.57	Changes Name Version Diff Microsoft.AspNetCore.App 11.0.0-preview.3.26124.102 -> 11.0.0-preview.3.26127.120 36ea4de...e95736f Microsoft.NETCore.App 11.0.0-preview.3.26124.102 -> 11.0.0-preview.3.26127.120 dotnet/runtime@36ea4de...e95736f Microsoft.AspNetCore.Antiforgery.dll 11.0.0-preview.3.26127.120 (New ) n/a Microsoft.AspNetCore.Antiforgery.dll 11.0.0-preview.3.26124.102 (Removed) n/a
mvc	Json Mvc 8- Trends Intel Lin	02/28/2026 14:11:10	666,999	609,387	-8.64 % (-57,612) 👎	-17.74 σ	3,247.08	Changes Name Version Diff Microsoft.AspNetCore.App 11.0.0-preview.3.26124.102 -> 11.0.0-preview.3.26127.120 36ea4de...e95736f Microsoft.NETCore.App 11.0.0-preview.3.26124.102 -> 11.0.0-preview.3.26127.120 dotnet/runtime@36ea4de...e95736f Microsoft.AspNetCore.Antiforgery.dll 11.0.0-preview.3.26127.120 (New ) n/a Microsoft.AspNetCore.Antiforgery.dll 11.0.0-preview.3.26124.102 (Removed) n/a

PowerBI Dashboard

@sebastienros

[BrennanConroy]

Caused by dotnet/runtime#124664 which was reverted with dotnet/runtime#125285