Test ASP.NET Core 11 concurrency limits with a runnable proof of queue overflow, HTTP 429, permit recovery and cancellation before accepting migration.
Map C# Obsolete metadata into ASP.NET Core 11 OpenAPI contracts, verify deprecated operations and schemas, and gate unintended drift in CI.
Model fixed multi-shape JSON with C# 15 unions, resolve ambiguous reads, verify OpenAPI anyOf output, and protect ASP.NET Core clients before rollout.
Pin the .NET 11 build-time OpenAPI host environment in CI, isolate generated contracts, compare drift, and block development-only endpoint leaks.
Configure .NET 11 SignalR authentication refresh to rotate tokens without reconnecting, block identity switches, and test expiry and failure paths.
Use .NET 11 async options validation to await bounded dependency checks during Host.StartAsync, fail bad deployments early, and avoid sync-over-async.
Fix an ASP.NET Core and Angular 22 solution that receives API data but leaves the zoneless UI stale, then add signal state, DOM tests, and test-runner checks.
Enable built-in .NET 11 MemoryCache metrics, export cache hits, misses, evictions, entries, and estimated size through OpenTelemetry, and avoid misleading dashboards.
Audit the .NET 11 ChangeToken.OnChange async rebind, contain callback faults, preserve last-known-good settings, and verify coalesced reloads safely.
Use the new .NET 11 compressed HttpContent wrappers with ASP.NET Core request decompression, explicit capability contracts, size limits, and end-to-end verification.
