They changed the interiors of the former Virgin Airbus' to have AS-branded colors (blue/green instead of red).
Quote from another article:
The 12-year-old A320, registered N628VA, is the first of 73 Airbus aircraft to be retrofitted, with 12 seats in first class, 24 seats in
Premium Class and 114 in the main cabin — from 8, 18 and 129, respectively. It’s operating mostly short-haul flights, but has already made appearances on several transcontinental routes as well.
As expected, mood lighting is now set to a fluorescent blue and seatback entertainment screens were replaced by personal device streaming. Standard coach seats lost an inch of pitch, though that shouldn’t be too noticeable as the new slimline seats provide more legroom at knee level. The biggest difference with these seats is their padding.