Background

Design decisions and migration context that don't fit cleanly into a package or system page. The background section is the "why this is the way it is" archive.

Page	What it covers
from-view-engine-to-ivy	The compiler/runtime rewrite that became the default in v9 and the implications still felt today.
standalone-and-signals	The post-v17 migration away from NgModules and zone-based change detection.