Late last month, Google officially detailed the "new integrated view" for Gmail in the browser.
Google said it was only available for Workspaces when it was initially announced. On Friday, the company announced that the release had begun rolling out to both users with personal Google accounts and Rapid Release paid domains. It added that scheduled release domains will start receiving the updated UI on February 28.
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These changes are not yet widely available to users as of Monday morning, but Google explained how it can be enabled when it rolls out from the Gmail account:
- At the top right, click Settings.
- Under Quick Settings, click Try the new Gmail view.
- In the new window, click Reload.

Make sure you have enabled Google Chat in Gmail, as Gmail may prompt you after the upgrade to try it with its new look.
See also: Confidential mode: How to send a "confidential email" in Gmail?
Additionally, Google gave us some more information about how the new Gmail UI works. The main menu appears on the left side of your screen and allows you to switch between Mail, Chat, Spaces, and Meet. It can also be noted that if you hover over the icon of each app (Mail, Chat, Spaces), the new UI will show you a preview of the folder/label or contact list, if the drop-down box is hidden. Similarly, the new notification bubble in the bottom left corner allows you to preview a message, reply, or open it (full screen or pop-up).

However, this bubble is activated in the following way:
- In the upper right corner of the Gmail window, next to your status indicator, click: More options > Chat notification settings.
- Then, in the new window that appears, check the boxes next to: "Allow chat notifications" and "Open chat bubbles for new messages.".
- Finally, click Done at the bottom of the window to save the settings
Source: 9to5google.com
