Upgrade Angular 19 to 20 | Create Your First Angular 20 App!
In this post, I will show you how to upgrade angular 19 to angular 20 version in ubuntu.
While working on my Angular project, I encountered the need to migrate from Angular 19 to Angular 20. Attempting to execute a straightforward update command proved unsuccessful, indicating that certain configurations were impacted. This prompted me to consider alternative methods for upgrading Angular.
There are two approaches to facilitate the transition from Angular 19 to 20. Initially, we'll attempt a direct update of the Angular CLI version. If this proves ineffective, an alternative solution involves uninstalling and reinstalling the Angular CLI, following the provided steps.

Following Way to Upgrade Angular 19 to 20 Version
- Way 1: Update Angular CLI
- Way 2: Update Angular CLI using reinstall
Let's see both ways:
Way 1: Update Angular CLI
You can directly upgrade your angular CLI version globally by using the update command of ng. so you can do it by bellow command.
ng update @angular/cli @angular/coreNow you can see ng version by following command:
ng versionWay 2: Update Angular CLI using reinstall
I will show you list of commands for update version angular 19 to angular 20 by using uninstall and upgrade angular version.
Uninstall Angular CLI:
npm uninstall -g @angular/cliClear Cache:
npm cache clean --force
npm cache verifyInstall Angular CLI:
npm install -g @angular/cliNow you have a new version of angular CLI. so you can check it by following the command:
ng versionYou will see a layout bellow:
I hope it can help you...