@ionic/lab 2.0.0

Normally i use @ionic/lab": “^1.0.24” Latest before 2.

When i try npm i @ionic/lab --save it’s not updated to 2.0.0. It’s still 1.0.24.

When i manually changed it to 2.0.0 and run ionic s -l i get only a blank page.

Can anyone use it successfully?