If you already own the unit, you know it is a tank.
Version 1.1.0 (December 2011) is the last primary update specifically for early Mac OS X versions. Compatibility with Modern macOS (Sonoma, Ventura, Monterey) Pioneer Ddj T1 Driver Mac Download
Here’s a concise for someone looking for the Pioneer DDJ-T1 driver on macOS. If you already own the unit, you know it is a tank