Jeff Vahle, President of Walt Disney World Resort, has shared a first look inside the Star Wars: Galactic Starcruiser at Walt Disney World:

Quote Originally Posted by Jeff Vahle President of Walt Disney World Resort

Josh D'Amaro (Disney Parks Chairman) and I enjoyed a sneak peek into the great progress the Walt Disney Imagineering teams are making on Star Wars: Galactic Starcruiser here at Walt Disney World. Inside we visited The Atrium and looked out The Bridge windows to what will be a galaxy far, far way.

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We even checked out the cabins in progress, including their windows to space.
The official website for the new all-inclusive vacation experience still lists a 2021 opening, however; a Late 2021 opening appears to be the earliest potential date based on the continued modified operations at the Walt Disney World resort.