1. Make authoring fast, intuitive and fun. # add color # color palatte # long press to get different shades. # color contrast line

DevTool will be mobile first. The device mode icon is now on the display panel. Service Worker moved to as part of the DevTool

Introduction to RAIL

R - Response (100ms)

A - Animation (16ms)

I - Idle (50ms)

L - Load (1000ms)