- Add extensive support for fetch‑based HTTP options (cache, priority, credentials, keepalive, mode, redirect, timeout) and improve HttpClient diagnostics;
- Introduce new compiler and core capabilities: custom EnvironmentInjector for NgComponentOutlet, fast type declaration emission, destroyed properties on DestroyRef/EnvironmentInjector, and improved error handling and hydration;
- Enhance language services with template semantic tokens and missing‑input diagnostics, and allow loadComponent/loadChildren to run within route injection context
