Amongst others, the update includes improvements of the AI vehicles, reworked bus doors and kneeling, and an upgrade to Unreal Engine 4.27.
You can see the full changelog here:
Changelog 1.29.49151
Replaced old AI Cars
Added arabic localisation
Upgrade to Unreal Engine 4.27
Various traffic AI fixes
Cockpit buttons are clickable with the mouse in cockpit view
Busses now spawn at the front of the bus stop marker
Wind animation of trees improved
All bus doors have been overhauled
Doors now need to be aimed at properly for interaction
Kneeling has been reworked in all busses
Changes to how the radio works internally
You can now zoom in when walking around
Added Z-axis (height) movement to photo mode
Mouse Control Improvements (please reset gas, brake and steering to use)
Added Cross Selector
Changed reverse camera to monochrome
New default keybinds
Localisation updates
Added Alternative Mouse UI to all busses
Some construction sites have been reworked across the map
Keepbrake ignored on controllers/wheels
Fixed assigning keybinds to d-pad
Fixed destination display in action cam
Fixed Crash with very old savegames
Reduced package size
Fixed wrong materials on roofs and distant buildings
Fixed snow fading away in winter
Partial gamepad support for menus
Art and Level Fixes
Performance optimizations**
** Please, be aware that the impact of performance optimisations varies from system to system due to hardware configurations, installed software, and other programs running in the background.