v22.14

Engine sounds added to the field tractor in AI traffic. [ATS edition]
Engine sounds added to the field tractor plowing fields - now it's possible to hear its engine while plowing. [ATS edition]
Engine sounds added to the 1947 Chevrolet Advance-Design 3100 and the 1947 Chevrolet Advance-Design Loadmaster. [ATS edition]
1 new suspension / tire bump sound effect added to array.
Reduced some reverb on the default reverse beeper sound effect.

v22.13

Engine sounds applied to the 2003 Lincoln Town Car Stretched Limousine in AI traffic. [ATS edition]

v22.12

Fixed the Pierce Arrow XT not having any sound bug (present in the vanilla game). [ATS edition]
Engine sounds added to the Pierce Arrow XT fire truck in AI traffic. [ATS edition]

v21.11

Horn sounds added to the 1979 Mercury Colony Park in AI traffic. [ATS edition]
Fixed recent echo issue for the Grover standalone air horn.

-- Optional addons --
"Previous soundproofing" addon has been adapted for the International 9900i:
https://truckymods.io/d/american-truck-simulator/previous-soundproofing-ats

v21.11 update preparation

v22.10

Engine and horn sounds added to the taxi 2003 Ford Crown Victoria in AI traffic. [ATS edition]
Horn sounds added to the 2003 Lincoln Town Car Stretched Limousine in AI traffic. [ATS edition]
Replaced engine sound samples and adjusted sound mixing for the Mack RD in AI traffic. [ATS edition]
Minor tweak for the 2015 Ford Mustang i4 engine sound mix.

v22.09

Engine and horn sounds added to the 2005 Ford Mustang GT (fifth generation) in AI traffic. [ATS edition]

v22.08

Replaced 2 suspension / tire bump sounds.

v22.07

Reworked one of the generic AI traffic default car sounds.

v22.06

2 new suspension / tire bump sounds added.