We currently have 2 versions of Boost: The Original Boost User Interface (Original UI) and the New User Interface (New UI). This article will explain how to determine which version of Boost you are using.
Airbnb, Vrbo, Googleand HomeToGo , HomeToGo, Homes & Villas by Marriott Bonvoy, and Hopper are only available in the New UI.
Booking.com is only available in the Original UI.