The 1.2.3 update for Traktor (Scratch) Pro/Duo/LE is now available for download via the usual channels. Below is the list of changes.
New and improved features:
- Traktor Kontrol X1 integration
 - Native zero-configuration support for Pioneer CDJ-2000 / CDJ-900 / CDJ-400 / MEP-7000
 - Native zero-configuration support for Denon DN-HC4500
 - New controller icon in header shows connected devices
 - Improved Setup Wizard with phono/line switch for Audio 4 DJ/Audio 8 DJ
 - Deck copy function in browser
 - Additional controller mapping functions
 - Enhanced pitch fader range control
 
Fixes:
- Effect reset issues fixed
 - Auto Grid with existing BPM issues fixed
 - Analysis triggered via “Detect BPM” on non-analyzed tracks fixed
 - Locked grid deletion via MIDI fixed
 - Value updates via negative encoder increments fixed
 - Various other fixes