To help you further, are you looking to issue, or are you interested in developing your own instruments using the KSP and Creator Tools mentioned? See what's new in KONTAKT 6 | Native Instruments
A standalone tool that lets creators build and edit performance views without manual KSP (Kontakt Script Processor) coding. Native Instruments – Kontakt 6.1.1
Added specialized commands for developers, such as load_performance_view() for importing UI files. To help you further, are you looking to
A new mode for the wavetable module that stretches partials away from the harmonic series, allowing for bell-like and metallic tones. To help you further