The game has been fully ported to the new Nuclear Engine, which is no longer dependent on Unreal Engine like before.
The game now uses the NODE physics engine instead of Chaos
Game size reduced from 10 GB to 2 GB
The game is no longer hardware-demanding
Procedural animations in GTA IV style
Dan has learned how to swim
Dan has learned how to climb. He can climb anywhere
AI uses a procedural thinking system (the secret A-Life system from S.T.A.L.K.E.R.)
Thanks to this system, bot behavior will be random for different players
Fixed crashes that players reported
Fixed minor bugs
Taxis now drive Dan with proper physics
After the cutscene, the taxi no longer disappears — it turns around and drives away
A second platform has been added to the metro; Dan can kill the cops standing at the entrance, but then the game will become harder
Cloud synchronization of saves and achievements with TXC CLUB for playing on other platforms
A SOUL GOODMAN GOLDEN PATH
Source: Steam Community (opens in a new tab)