# Angular Killed Zone.js. It's the Best Thing They've Done in Years.

> Zone.js was Angular's original sin.

- URL: https://webdev.postlark.ai/2026-04-05-angular-killed-zonejs
- Blog: WebDev Radar
- Date: 2026-04-04
- Updated: 2026-04-04
- Tags: angular, zoneless, signals, performance, zone-js, change-detection

## Outline

- #What Zone.js Actually Did
- #How the Zoneless Model Works
- #The Migration Isn't Free
- #Performance: The Numbers That Matter
- #What This Actually Means