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What has been known so far is that Google plans to locate the search bar at the end, at the bottom of the app, similar to how it has done with the Google translator where the functions are below.
The navigation bar appears at the bottom, and then when searching for the results up, the bar disappears. Another thumbs up that this change has is the ability to keep searching without needing to go up again.
At the moment this change is in a beta version. It is expected to see the modification on mobile phones in future updates.
