New Source Formats:
* NI Kontakt 4.2.
* Motif XF (.x3v;.x3a).
* Akai MPC APS (.aps) files.
* Ensoniq PARIS files.
* Workstation formats (Motif, Fantom, Fusion, Triton).
* Synclavier [MAC, Hi-Tech Edition only].

New Destination Formats:
* NI Kontakt 4.2.
* Motif XF (.x3v;.x3a).

Other changes:
* [NI] Added full Kontakt 4.2 support for Reference Manager and other items.
* [NI] Now supports non-extension sample files for Kontakt; Kontakt does not support sample files that do not have proper extensions. [MAC] Types the files so they work.
* [NI] Fixed and optimized ->Kontakt Voicegroups.
* [NI] Supports Kontakt ADHR Only setting (no sustain stage in envelopes).
* [NI] Fixed ->Kontakt Monolith conversions.
* [ALL] Added ability for interface to look at a user-defined Root Folder to eliminate clutter.
* [ALL] [MAC] Added deletion and renaming of objects on proprietary disks; Roland, MPC, Ensoniq, Akai, Emu.
* [ALL] Supports import of most non-Motif written Motif files.
* [ALL] INST and inst chunks in WAVE or AIFF files properly read; RootKey and FineTune is given priority when 'INST'/'inst' are included.
* [ALL] [MAC] Optimized creating Virtual Drives from disks.
* [ALL] [MAC] Added option WriteDOSCompatibleNames, this forces Program-type and Sample-type files to be written with DOS-compatible names, even though the Mac can handle more characters.
* [ALL] Sped up Giga-> conversions.
* [ALL] Fixed conversion of Millennium files that use stereo WAVE's.
* [ALL] Now includes warning giving choice to delete object or not.
* [ALL] Improved reading of S-5x drives and images.
* [ALL] Improved single and bulk conversion of single samples to other single sample formats.
* [ALL] Fixed bulk conversion of Emax banks.
* [SFZ] Added new Preference pane, added collapsing to Groups, support for incoming Group names and organization, and custom user-defined SFZ writing methods.
* [AKAI] Added creating and deleting MPC folders on MPC proprietary drives.
* [AKAI] Added option for MPC200XL 1.20 OS PC formatting.
* [AKAI] Now supports nested MPC folders on MPC disks.
* [AKAI] Fixed some bugs and optimized MPC proprietary disk formatting.
* [ROLAND] Fixed some writing Roland disk bugs and auditioning Roland samples.
* [EMU] Corrected some ESi issues.
* [KURZWEIL] Corrected some ->Kurzweil issues.
* [ENSONIQ] Fixed issues when converting the maximum wavesample (#127).
* [ENSONIQ] Fixed naming issues with stereo samples.
* [SAMPLETANK] Corrected some SampleTank issues.
* [SOUNDFONT] Improved DLS conversions; added modulators and connections.
* [KORG] Implemented more modulators into Triton conversion.
* [FUSION] [MAC] Implemented full converting into Banks and creating new Banks.

Mac Version 5.9 is a huge improvement over the older version 1.5, as it offers MacTel support, much faster and streamlined operation, and a vastly expanded format list.