Traktor DJ 2, from NATIVE INSTRUMENTS , was updated with support for their new Kontrol S3 controller. The update also adds several preference options.

What's new in Traktor DJ 2 v2.2.0:
Version 2.2.0 includes support for the new TRAKTOR KONTROL S3, highly-requested Preference options, and various bug fixes and improvements.
ADDED Support for the TRAKTOR KONTROL S3
ADDED Preference option for Safe Loading
ADDED Preference option for Quantize Size
ADDED Preference option for Default Loop Size
ADDED Preference option for Crossfader Curve
ADDED Background track analysis feedback
ADDED Multi-touch interactions for the Crossfader & Volume faders
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