v25.16

Decreased sound volume for some bird and owl sounds (forest ambient sound item). [ETS2 edition]
Birdsong now peaks at dawn and lessens towards midday and afternoon (forest ambient sound item). [ETS2 edition]
Applied sounds for additional city variants of the Škoda Transtech Artic tram. [ETS2 edition]
Added sounds for the Duewag Stadtbahnwagen Typ B (1st generation body, subtype B100S) tram. [ETS2 edition]
1 new trailer suspension added to the array for the trailer suspension sounds.
Minor sound mixing adjustments for the trailer suspension sounds.

-- Optional addon news --
The "Winter sounds" mod is discontinued for now (but could return) since its features are only partially compatible with 1.54.
However, you can still run the mod on 1.54.

v25.15

Attempted fix for the notorious randomly occurring popping / click sound glitch that began in the vanilla game (1.53). [ETS2 edition]
- Special thanks to xXCARL1992Xx for the tip on the possible root cause of the glitch.

Reworked and enhanced sound for the Russian railroad crossing bell. [ETS2 edition]
Comprehensive sounds added to the Ural Locomotives / Siemens ES2G Lastochka train. [ETS2 edition]

Reworked one of the vanilla game European forest world sound sets (one that has birds during the day and owls at night). [ETS2 edition]
- Improved clarity of some bird sound samples and added missing fade effects for a better auditory experience.
- Bird and owl sounds can come from different directions and distances in the forests. 🌲🦉🌲

v25.14

Comprehensive sounds added to the Valmet VR Class Dv12 train locomotive. [ETS2 edition]
Comprehensive sounds added to the Bombardier TRAXX DE ME train locomotive. [ETS2 edition]
1 new parking brake valve sound added to the array for the default/fallback interior parking brake pull hand control valve sound.

v25.13

Comprehensive sounds added to the ADtranz Incentro AT6/5L tram. [ETS2 edition]

v25.12

Comprehensive sounds added to the Duewag SWF-Baureihe P light rail vehicle. [ETS2 edition]

v25.11

Comprehensive sounds added to the AnsaldoBreda Sirio Series 7100 tram. [ETS2 edition]
Comprehensive sounds added to the AnsaldoBreda Sirietto Series 7500 tram. [ETS2 edition]

v25.10

Comprehensive sounds added to the Bombardier OSE Class 220 train. [ETS2 edition]
- The train is also known as the Bombardier DE2000.

v25.09

Comprehensive sounds added to the Siemens EuroSprinter Classic ES64P "Hellas Sprinter" train. [ETS2 edition]
- The train is also known as the OSE Class 120 and the Hellenic Train Class 120.

v25.08

Comprehensive sounds added to the Renfe Class 252 train. [ETS2 edition]
Comprehensive sounds added to the Comboios de Portugal Class LE 5600 train. [ETS2 edition]

v25.07.1

Compatibility update for the ETS2 1.54 open beta. [ETS2 edition]