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The camera from dev.33 swung around the spire as you walked, and the controls turned with it. dev.35 fixes that at the root. The ship now travels toward its bow, along the deck. One fixed view looks forward, slides with the captain and never turns. The bridge has been rearranged so every console faces the way you're going. Far from any star, the ship's spire lights the deck.
Two review builds in three days. A long crossing now ends in a review you read at your own pace. Talking to the crew happens on an internal videocom that shows whose move it is. And the camera has left your head: you now see the captain from fixed third-person views that turn to the sky when the ship is under way.
The black-hole milestone is done: you can fly to the supermassive black hole at the centre of the Galaxy, hover above it and orbit it, with general relativity in the physics and in the picture.
Wherever you stop, the size of what you see now tells you how big it really is. Sol is back on the map, and you can hop between the bodies of a system yourself.
dev.20's full sky made the laptop stutter at Aldebaran. One line was scanning all 335,189 stars every frame. Fixed, measured on the MacBook Air, and the I key now shows the bodies around you.
The game now opens on a menu. Meanwhile the black-hole milestone is two-thirds built: the first renders of Sgr A*'s lensed sky are in, checked against general relativity to a fraction of a pixel.
Until now only the Sun and α Centauri had a size; every other star you visited was a point seen from 1,000 AU away. Now each star in the voyage is a real disc with its measured radius and temperature, and you arrive where its size means something.
The voyage now reaches a real planetary system, the ship is lit by whichever star it is near, and the sky holds six times more stars, each in exactly one place.
Every Solar System leg now has the same rhythm, about 2¼ minutes in real time: 30 seconds accelerating, about a minute cruising, then braking into a 25-second final approach. The longer legs simply go faster, above 0.999c to Jupiter and Saturn, so the planets now ease into view instead of appearing in the last few seconds.
The guided tour no longer fast-forwards. Every boost and every braking plays at one ship second per wall second, and special relativity, not a time-lapse, is what makes the trips short. Earth to Jupiter takes six minutes aboard while 39 pass on Earth. Then the voyage leaves the Sun behind: α Centauri, TRAPPIST-1 and Aldebaran, 120 Earth years later.