Features:
Doubles (both standard and a staggering amount of A-double configurations)
Dolly combinations (compatible with Kast's rigid chassis)
Nordic chassis (with setback axles and relocated landing gear, optimised for 3 axle trucks)
2- and 3-axle City trailers
15 m long body trailer
Two types of Huckepack (intermodal railway) trailer chassis
Eco-Twin chassis
Easy Tarp, dropside, TIR and taller 4.2m bodies
Low-body for steel hauling
E-trailer (powered electric trailer with functional drive axle)
Probably way too many taillight options
New bumpers
New skin based license plate setup
Multiple fender options
Various stickers, signs and more
Localisation (mod parts are translated to all supported languages)
Several skins
and much, much more

Credits
Smaen, Sogard3