Not so long ago in the month of April, Google launched a brand new Gmail web app with a new material design theme. , deeper integration with Calendar/Tasks/Keep, quick actions, snooze, and more. But unfortunately this was not accessible to everyone as organizations making use of G Suite were given instant ability to switch to the new Gmail from onset, but customers of the legacy Google Apps plans were denied that.
Finally, the revamped web app is now rolling out to Google Apps users. Currently, we are not sure of when Google Apps customers will be forced onto the new layout, as G Suite accounts will be in October.