Dovetail Games has released Train Sim World 4 update 1.23 (1.022 on PS5) today on all platforms, which serves as the first part of the Winter Core update. There are plenty of new features and fixes, which you can read in the full December 11 Train Sim World 4 patch notes.

Train Sim World 4 Update 1.23 | Train Sim World 4 Update 1.022 | Train Sim World 3 December 11 Patch Notes:

Winter Core Update (Part 1) Patch Notes

Core

• Fixed an issue preventing the Vorarlberg BR185 from moving in free roam
• Fixed a rare condition causing players to end up underneath the map when cycling through the passenger camera views.
• Fixed an issue where console players wouldn’t be able to input a Player Profile name after trying to enter a blank username.
• Fixed an issue where rain could appear underground and inside tunnels.
• Fixed an issue which limited substitutions for certain services and scenarios.
• Fixed an issue where PS4 players couldn’t import their profile from TSW2.
• Added Holiday Event 2023 Mastery decals – Find out more on our Festive Overview article!

Mini HUD Improvements

• HUD settings will no longer reset between game sessions.
• Track Monitor will dynamically scale the distance based on current speed.
  • If you are travelling at 0-80kmh, you will see a 1.5km distance ahead, which scales up to a 6km distance the faster you’re travelling.
• Added countdown progress bar to have options for 1km, 2km and 4km distance.
• Markers will appear correctly on the Track Monitor.
• Track Monitor should now correctly disappear when it is turned off in the settings.
• Track Monitor will be automatically hidden when on foot.
• Clock indicator will now correctly display when on foot.
• Added traction lock indicator to Minimal HUD
  • Specific locos which don’t work with standard traction lock will not display.
• Simple HUD speedometer now goes up to 200mph.

Free Roam

• Added a Memory Usage indicator to the Free Roam spawning menu
• Fixed an issue where users were able to open to spawning menu whilst sat in a passenger seat. You can now only access the menu when on-foot.

Scenario Planner

• Fixed an issue where passenger doors needed to be opened on the same side as the starting station.
• AI portals can now be used by multiple services so long as they have different starting times.
• Prevented duplicated objectives appearing on the schedule menu after completing a ‘Change Cabs’ objective.

Scoring

• Fixed a rounding error so scoring breakdown and final score will always be the same value.

Photo Mode

• Photo Mode camera will no longer be able to escape map boundaries.

East Coast Main Line

• Corrected spelling errors in the ‘Testing the Limits’ scenario.
• One of the posters on the route now has a familiar face on it. Can you find it?

Class 801 Azuma

• Cab and Passenger lights are turned off when AUX Power is turned off.
• AI trains will no longer have looping diesel engine audio.

Flying Scotsman

• Increased volume of AWS sounds to an appropriate level.
• AI trains should now play a whistle/horn on routes with whistle boards.

Vorarlberg

• Fixed an issue where an AI train arrives in double traction and interrupts the timetable at Bregenz Hafen.
• Fixed an issue where objectives appeared faded out in the ‘Just Like in the Movies’ scenario.
• Fixed an issue where passengers remain motionless after disembarking at Schlins Beschling station.

ÖBB 4024

• Increased visibility of cab indicator lights during the daytime.
• Fixed an issue where acknowledging SIFA was inconsistent.
• Corrected spelling mistakes on interior coach and cab textures.

Maintalbahn

• Fixed Stopping boards in Miltenberg having text that reads “Hidden in Game”.

Birmingham Cross City

West Midlands Railway Class 323

• Updated windows to use TSW4 rain weather effects. Added interactable Tail Lamps under the driver seats that are placeable on the cab window
• Cab car windows will now work as expected in dry and wet/snowy conditions
• Fixed an issue where PIS on AI trains didn’t work as intended.
• Fixed an issue where the secondman seats on AI trains were acting as a driver seat.
• Various localisation improvements to tooltips and tutorial text.

To help make it clear, here’s a summary of the list of improvements that Skyhook Games has worked on for Midland Main Line, which as Jan has linked above, you can view in full on their Midland Main Line update page.

Midland Main Line

• Large range of improvements to scenery, textures, signage and vegetation across the route.
• Implementation of dynamic snow feature from TSW3.
• All collectibles can now be found and obtained. There are now correctly 25 of each set.
• Fix for the inability to acknowledge safety systems using a controller
• Fix to safety systems incorrectly triggering while driving
• Fix for game crash on PlayStation while driving the Class 43 HST.
• Fix to allow custom livery selection for the HST in the Timetable
• Many fixes to issues on the route, Class 158 DMU and Class 43 HST.
• Implementation of TSW4 rain effects
• Updated all scenarios to use TSW4 Platinum medals and Scoring 2.0 in the timetable.
• Updated to allow use of Scenario Planner 2.0 features.

Source: Dovetail Games Forums