v21.71

Modified interior and exterior rain sound effects.

v21.70

Added possibility of nickering sounds for one of the horse animations when close to a horse.
Modified effect of rain from the interior of the truck cabin.

v21.69

New seatbelt click sound when getting back into the truck after refuelling.
Accentuated some parts of the gravel sound mix and improved its volume attenuation.
Replaced 1 tire bump / suspension sound.

v21.68

Tweaked interior dynamic effects for the default light switch sound and hazard warning button sound for a more 3D feel.
Reduced helicopter sound volume when the helicopter is more distant.
Horn sound added to the 2015 Ford Mustang (6th generation) in AI traffic.
Included 1 more engine sound effect for the 2015 Ford Mustang (6th generation) V8 sound variant in AI traffic.
Tweaked sound behavior of standalone air horn - now has a fixed volume.
Discontinued wet tire effect feature for default AI car sound since it can't be made fully compatible with 1.41.

v21.67

In addition to the V6 engine sounds for the Ford Mustang 2015 in AI traffic:
- V8 and Ecoboost engine sound variants have been added

v21.66

Engine sounds added for the 2015 Ford Mustang (6th generation) in AI traffic.
Limited high duplication of default railroad crossing bell sound.

v21.63 + v21.62

Finetuned sound volumes for brake whistle sound.
Shortened 1 brake whistle sound.
Optimizations for sound files without quality loss.

v21.61

Additional short brake whistle sounds added, and reduced probability of the brake whistle sound.
Optimizations for sound files without quality loss.

v21.60

Brake whistle can now be more reliably audible when you use the brakes to come to a complete stop.
Enhanced wind buffeting effect.

v21.59

For all the train fans, the default freight car sounds have been modified with meticulous details:
- Complete sound set for the rails, wheels, and axles that dynamically change over various speeds.
- Dynamic sound volume effects to fade the sounds of the freight car realistically based on proximity.
- Various squeaks and squeals of the freight car that can be heard at low speeds.